SGP/EBBR - EBBR E19 Changeout, Data Missing/Incorrect

During changeout of the EBBR system at E19, data was missing for the
time period, except for 1815-1830 GMT, when the data was incorrect.

• soil_heat_flow_1_mv
• base_time
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• time_offset
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• lat
• soil_temp_4_rr
• battery_voltage
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• alt
• temp_trh_right_rr
• home_signal
• soil_temp_3_rr
• soil_moisture_1_r
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_moisture_4_r
• soil_moisture_3_r
• soil_moisture_2_r
• soil_temp_5_rr
• soil_moisture_5_r
• temp_trh_left_rr
• soil_heat_flow_5_mv
• lon
• soil_heat_flow_2_mv
• temp_air_right

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• lon
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• lat
• time_offset
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• alt
• base_time
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• surface_soil_heat_flux_1
• soil_moisture_2
• surface_soil_heat_flux_2
• soil_moisture_1
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• base_time
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• lon
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• lat
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• time_offset
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• alt
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR - EBBR E19 Wind Speed Incorrect

The anemometer cups were frozen stalled during the period.

The following values were therefore incorrect:

5 minute:  wind_s, res_ws
15 minute: wind_s
30 minute: wind_s, res_ws

• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

SGP/EBBR - EBBR E19 Net Radiation Incorrect

The net radiometer top dome was broken and water had entered.  Net 
radiation values are therefore incorrect during the period.

The affected data are:

5 minute:  q
15 minute: mv_q
30 minute: q, h, e

• net_radiation_mv

• Radiation, net(net_radiation)

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Radiation, net(net_radiation)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - EBBR E19 Wind Speed Iced

The anemometer was frozen stopped by freezing rain.  Indicated data is incorrect.

• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)

SGP EBBR E19 - E19 EBBR Left RH Probe Temperature Incorrect

The Left RH probe temperature was drifting.  The indicated measurements are incorrect.

• temp_trh_left_rr

• temp_trh_bottom
• vapor_pressure_top
• vapor_pressure_bottom
• temp_trh_top

• temp_trh_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• bowen_ratio
• vapor_pressure_top
• vapor_pressure_bottom
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP EBBR E19 - E19 EBBR Left Aspirator Housing Off

The left aspirator housing fell off and thus the indicated measurements are incorrect.

• temp_air_left
• rh_left_mv
• temp_trh_left_rr

• temp_trh_bottom
• vapor_pressure_bottom
• temp_trh_top
• temp_air_top
• vapor_pressure_top
• rh_top_fraction
• temp_air_bottom
• rh_bottom_fraction

• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• temp_air_top
• rh_top_fraction
• vapor_pressure_top
• temp_trh_bottom
• rh_bottom_fraction
• bowen_ratio
• vapor_pressure_bottom
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP EBBR E19 - E19 EBBR Left Air Temperature Incorrect

A bad capacitor on the J-panel caused left air temperature, and thus other measurements to 
be incorrect.

• temp_air_left

• temp_air_bottom
• temp_air_top

• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_air_top
• bowen_ratio
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP EBBR E19 - E19 EBBR Data Incorrect During J-panel Replacement

The indicated data was incorreect during a J-panel replacement.

• soil_moisture_2_r
• temp_trh_left_rr
• soil_moisture_1_r
• soil_temp_1_rr
• temp_trh_right_rr

• temp_trh_bottom
• vapor_pressure_bottom
• temp_trh_top
• vapor_pressure_top

• surface_soil_heat_flux_1
• soil_moisture_2
• soil_moisture_1
• soil_heat_capacity_2
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• soil_heat_capacity_1
• vapor_pressure_top
• energy_storage_change_1
• temp_trh_bottom
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• bowen_ratio
• soil_temp_1
• vapor_pressure_bottom
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP EBBR E19 - E19 EBBR Wind Direction Incorrect

The wind direction sensor was frozen stopped during the indicated period.

• wdir_vec_mean_mv

• wdir_vec_std
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• Wind speed vector mean(wspd_vec_mean)

• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• wdir_vec_std
• Wind speed vector mean(wspd_vec_mean)

SGP EBBR E19 - E19 EBBR Soil Heat Flow #1 Sign Reversed

The sign was reversed (heat flow plate #1 was installed upside down), causing incorrect 
measurements, as indicated.

The average soil heat flow can be recalculated by using an average of soil sensor sets 
2-5.  The recalculated average soil heat flow can then be used to recalculate latent and 
sensible heat fluxes.

• soil_heat_flow_1_mv

• corr_soil_heat_flow_1
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_heat_flow_1

SGP EBBR E19 - E19 EBBR Soil Temperature 3 Intermittenmtly Incorrect

Soil Temperature # 3 was incorrect at times during these periods.
Compare G3 with G1, G2, G4, and G5 to determine when TS3 was incorrect.

• soil_temp_3_rr

• energy_storage_change_3
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_temp_3

SGP EBBR E19 - E19 EBBR TS3 Intermittent Incorrect

Soil Temperature probe #3 was intermittently incorrect.  Examine the
data and compare G3 with G1-2 and G4-5 to see when TS3 is incorrect.

• soil_temp_3_rr

• energy_storage_change_3
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_temp_3

SGP EBBR E19 - E19 EBBR Wind Speed Incorrect

The wind speed sensor was iced stopped for a while on this day.

• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)

SGP EBBR E19 - E19 EBBR Data Incorrect During 6 Month Checks

The data was incorrect during the 6 month checks.

• soil_temp_4_rr
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_heat_flow_1_mv
• temp_trh_right_rr
• temp_air_left
• atmos_pressure_mv
• soil_temp_3_rr
• rh_left_mv
• soil_moisture_1_r
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• wdir_vec_mean_mv
• soil_moisture_4_r
• soil_moisture_3_r
• soil_moisture_2_r
• soil_temp_5_rr
• net_radiation_mv
• soil_moisture_5_r
• temp_trh_left_rr
• soil_heat_flow_5_mv
• soil_heat_flow_2_mv
• temp_air_right

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• rh_top_fraction
• rh_bottom_fraction
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• vapor_pressure_top
• temp_air_bottom
• temp_reference
• vapor_pressure_bottom
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)
• Radiation, net(net_radiation)

• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• vapor_pressure_top
• energy_storage_change_1
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• Radiation, net(net_radiation)
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• soil_moisture_2
• surface_soil_heat_flux_1
• soil_moisture_1
• surface_soil_heat_flux_2
• soil_heat_capacity_4
• soil_moisture_4
• soil_heat_capacity_5
• soil_moisture_3
• surface_soil_heat_flux_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• soil_heat_capacity_1
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)
• bowen_ratio
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_reference
• temp_trh_top
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E19 - 6 Month Checks

The indicated measurements were incorrect during the 6 month checks.

• temp_air_left
• temp_air_right

• temp_trh_bottom
• vapor_pressure_bottom
• temp_trh_top
• temp_air_top
• vapor_pressure_top
• rh_top_fraction
• temp_air_bottom
• rh_bottom_fraction

• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• temp_air_top
• rh_top_fraction
• vapor_pressure_top
• temp_trh_bottom
• rh_bottom_fraction
• bowen_ratio
• vapor_pressure_bottom
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - Reprocess: Soil Heat Flow #3 Incorrect

Soil heat flow 3 was incorrect, with values too large positive and too small negative.  
Since the calibration in the program is the one supplied by the vendor, it appears 
that the calibration may be wrong.

Average soil heat flow, sensible heat flux and latent heat flux can be recalculated
using the remaining good sets of soil sensors as follows:
   ave_shf = (g1 + g2 + g4 + g5)/4
   e = -(q + ave_shf)/(1 + bowen)
   h = -(q + e + ave_shf)

• corr_soil_heat_flow_3
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_heat_flow_3

SGP/EBBR/E19 - Reprocess: Soil Temperature #3 Incorrect

Soil Temperature 3 was incorrect for the period indicated, causing average soil flow, 
latent heat flux, and sensible heat flux to be incorrect also.

Average soil heat flow, sensible heat flux, and latent heat flux can be recalculated using 
the remaining good sets of soil sensors as follows:

ave_shf = (g1 + g2 + g4 + g5)/4

e = -(q + ave_shf)/(1 + bowen)

h = -(q + e + ave_shf)

• energy_storage_change_3
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_temp_3

SGP/EBBR/E19 - Most Measurements Incorrect

Most measurements were incorrect for the indicated periods.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• battery_voltage
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• temp_air_right
• soil_heat_flow_2_mv

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• Raw data stream - documentation not supported

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• surface_soil_heat_flux_1
• soil_moisture_2
• surface_soil_heat_flux_2
• soil_moisture_1
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E19 - All Measurements Zero

Measurements are often zero the first period after a CR10 restart.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• battery_voltage
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• soil_heat_flow_2_mv
• temp_air_right

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• Raw data stream - documentation not supported

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• soil_moisture_2
• surface_soil_heat_flux_1
• soil_moisture_1
• surface_soil_heat_flux_2
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E19 - Pressure Incorrect

The pressure measurement was incorrect.  This is used to determine the Bowen ratio, 
thereby affecting the sensible and latent heat fluxes also.

• Barometric Pressure(atmos_pressure)

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Barometric Pressure(atmos_pressure)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - Measurements Incorrect After CR10 Replacement

Replacement of the CR10 datalogger caused most measurements to be incorrect, reason 
unknown.
A different logger was installed at the end of the specified period and this resolved the 
problem.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• battery_voltage
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• soil_heat_flow_2_mv
• temp_air_right

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• Raw data stream - documentation not supported

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• surface_soil_heat_flux_1
• soil_moisture_2
• surface_soil_heat_flux_2
• soil_moisture_1
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E19 - Low Battery Voltage

A battery voltage of less than 10.5 causes many of the sensors to produce incorrect 
measurements.
The 15 minute data contains the battery voltage and should be used to determine whether 
the measurements are usable, based on battery voltage.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• soil_heat_flow_2_mv
• temp_air_right

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• Raw data stream - documentation not supported

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• soil_moisture_2
• surface_soil_heat_flux_1
• surface_soil_heat_flux_2
• soil_moisture_1
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR - Incorrect Units for Soil Heat Capacity (cs1, cs2, cs3, cs4, cs5) in 30EBBR 
Header

The units for Soil Heat Capacity (cs1, cs2, cs3, cs4, cs5) in the 
EBBR 30 minute netcdf header have been incorrect from the beginning 
of processing the data into netcdf files.  The correct units are 
MJ/m^3/C.

This does not affect the data quality.

• soil_heat_capacity_1
• soil_heat_capacity_2
• soil_heat_capacity_3
• soil_heat_capacity_5
• soil_heat_capacity_4

• soil_heat_capacity_5
• soil_heat_capacity_4
• soil_heat_capacity_2
• soil_heat_capacity_3
• soil_heat_capacity_1

• soil_heat_capacity_1
• soil_heat_capacity_2
• soil_heat_capacity_3
• soil_heat_capacity_4
• soil_heat_capacity_5

• soil_heat_capacity_5
• soil_heat_capacity_4
• soil_heat_capacity_3
• soil_heat_capacity_2
• soil_heat_capacity_1

• soil_heat_capacity_1
• soil_heat_capacity_5
• soil_heat_capacity_4
• soil_heat_capacity_3
• soil_heat_capacity_2

• soil_heat_capacity_1
• soil_heat_capacity_2
• soil_heat_capacity_5
• soil_heat_capacity_3
• soil_heat_capacity_4

• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_1
• soil_heat_capacity_4
• soil_heat_capacity_3

• soil_heat_capacity_2
• soil_heat_capacity_1
• soil_heat_capacity_5
• soil_heat_capacity_4
• soil_heat_capacity_3

• soil_heat_capacity_1
• soil_heat_capacity_2
• soil_heat_capacity_3
• soil_heat_capacity_4
• soil_heat_capacity_5

• soil_heat_capacity_1
• soil_heat_capacity_2
• soil_heat_capacity_3
• soil_heat_capacity_4
• soil_heat_capacity_5

• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• soil_heat_capacity_1

• soil_heat_capacity_2
• soil_heat_capacity_3
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_1

• soil_heat_capacity_3
• soil_heat_capacity_2
• soil_heat_capacity_5
• soil_heat_capacity_4
• soil_heat_capacity_1

SGP/EBBR/E19 - Data Incorrect during 6 month checks

Some of the measurements are incorrect during the 6 month checks.

• temp_air_left
• temp_air_right

• temp_trh_bottom
• vapor_pressure_bottom
• temp_trh_top
• temp_air_top
• vapor_pressure_top
• rh_top_fraction
• temp_air_bottom
• rh_bottom_fraction

• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• temp_air_top
• rh_top_fraction
• vapor_pressure_top
• temp_trh_bottom
• rh_bottom_fraction
• bowen_ratio
• vapor_pressure_bottom
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - REPROCESS: Soil Heat Flow #3 Incorrect Calibration

Soil Heat Flow #3 was incorrect during these periods.

To use the measurements, multiply Soil Heat Flow #3 by 0.726.
  
See below for a work-around.

• corr_soil_heat_flow_3
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_heat_flow_3

SGP/EBBR/E19 - Water in Net Radiometer Dome

The net radiation measurement is incorrect. Measurements 
calculated using net radiation are also incorrect.  

No work-around is possible for this situation.

• Radiation, net(net_radiation)

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Radiation, net(net_radiation)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - Incorrect data after power interruption

Most measurements are suspect after a power outage, caused by
replacement of the solar panel regulator.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• soil_heat_flow_2_mv
• temp_air_right

• temp_trh_top
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• soil_moisture_2
• surface_soil_heat_flux_1
• surface_soil_heat_flux_2
• soil_moisture_1
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E19 - Most Measurements Zero following Restart

Most of the measurements were zero, which normally happens after a 
datalogger restart.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• battery_voltage
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• soil_heat_flow_2_mv
• temp_air_right

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• surface_soil_heat_flux_1
• soil_moisture_2
• surface_soil_heat_flux_2
• soil_moisture_1
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E19 - REPROCESS: Soil Temperature #3 Incorrect

Soil Temperature #3 was incorrect while electronic connections
were being checked. The indicated measurements 
that are calculated using Soil Temperature #3 are 
also incorrect.

See a work-around below.

• energy_storage_change_3
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_temp_3

SGP/EBBR/E19 - REPROCESS: Soil Heat Flow #1 Incorrect

Soil Heat Flow #1 was incorrect during these periods.  
See below for a work-around.

• surface_soil_heat_flux_1
• corr_soil_heat_flow_1
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• soil_heat_flow_1
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - Pressure Low

The barometric pressure sensor read about 10 mb low during this
period because a lead from the sensor was loose or disconnected.

The error does not affect any other measurements.

• Barometric Pressure(atmos_pressure)

• Barometric Pressure(atmos_pressure)

SGP/EBBR/E19 - Soil Temperatures #2 and #3 Intermittently Bad

Soil Temperatures #2 and #3 were intermittently incorrect.
#3 appeared to be okay after the J-panel was replaced. 
#2 continues to be flaky, suggesting that the sensor
itself has a problem.  A DQPR has been submitted to
replace #2.  The indicated measurements 
that are calculated using soil temperature are 
also suspect.  However, the intermittent problems normally
occurred during night times and were fairly small in magnitude,
thereby having little effect on the sensible and latent heat fluxes.

• energy_storage_change_3
• surface_soil_heat_flux_2
• energy_storage_change_2
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_temp_2
• soil_temp_3

SGP/EBBR/E19 - Measurements zero following logger restart

Most of the measurements were zero, which normally happens after a 
datalogger restart.  The restart on 01/09/03 occurred after J-panel
replacements.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• temp_air_right
• soil_heat_flow_2_mv

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• surface_soil_heat_flux_1
• soil_moisture_2
• soil_moisture_1
• surface_soil_heat_flux_2
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E19 - Change of Energy Storage Incorrect

Because soil temperature measurements were not available 
from the beginning of the half hour, the change in soil 
energy storage could not be calculated and thus is 
incorrect.

There is no fix to this problem. Average Soil Heat Flow, 
Sensible Heat Flux (h), and Latent Heat Flux (e) can not 
be calculated using the available, remaining measurements.

• energy_storage_change_3
• surface_soil_heat_flux_1
• energy_storage_change_2
• surface_soil_heat_flux_2
• energy_storage_change_5
• energy_storage_change_4
• surface_soil_heat_flux_5
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• energy_storage_change_1
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27  -  E27 EBBR Incorrect Units for Soil Heat Capacity (cs1, cs2, cs3, cs4, cs5) 
in 30EBBR

The units for Soil Heat Capacity (cs1, cs2, cs3, cs4,
   cs5) in the EBBR 30 minute netcdf header have been 
   incorrect from the beginning of processing the data
   into netcdf files.  The correct units are MJ/m^3/C.
   
   This does not affect the data quality.

• soil_heat_capacity_5
• soil_heat_capacity_3
• soil_heat_capacity_4
• soil_heat_capacity_2
• soil_heat_capacity_1

SGP/EBBR/E19 - Soil Temperature #2 Incorrect

Soil Temperature #2 was incorrect during J-panel replacements.

• soil_temp_2_rr

• surface_soil_heat_flux_2
• energy_storage_change_2
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• soil_temp_2
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - All Data Zeros

All data (5, 15, and 30 minute) was zero after replacement of sensors and restart of the 
CR10.

This is a common occurrence.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• battery_voltage
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• soil_heat_flow_2_mv
• temp_air_right

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• surface_soil_heat_flux_1
• soil_moisture_2
• surface_soil_heat_flux_2
• soil_moisture_1
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E19 - Several Soil Measurements Incorrect

During replacement of a J-panel, several soil measurements were incorrect.

• soil_temp_3_rr

• energy_storage_change_3
• surface_soil_heat_flux_1
• energy_storage_change_2
• surface_soil_heat_flux_2
• energy_storage_change_5
• energy_storage_change_4
• surface_soil_heat_flux_5
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• energy_storage_change_1
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_temp_3

SGP/EBBR/E19 -Several Soil Measurements Were Incorrect

Several soil measurements were incorrect during replacement of soil temperature probe #2.

• soil_temp_2_rr

• energy_storage_change_3
• surface_soil_heat_flux_1
• surface_soil_heat_flux_2
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• surface_soil_heat_flux_5
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• energy_storage_change_1
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_temp_2

SGP/EBBR/E19 - AEM Hung in home30 position

The automatic exchange mechanism (AEM) hung in the home30 position, resulting in sensible 
and latent heat fluxes being incorrect.

• temp_air_bottom
• temp_trh_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• rh_bottom_fraction
• temp_trh_top
• temp_air_top
• rh_top_fraction
• bowen_ratio
• vapor_pressure_bottom
• vapor_pressure_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - Soil Heat Flow #3 Incorrect

Soil Heat Flow #3 was a flat -24 W/m2 for most of this period.

• soil_heat_flow_3_mv

• corr_soil_heat_flow_3
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• soil_heat_flow_3

SGP/EBBR/E19 - Soil Heat Flow#1 Incorrect

Soil Heat Flow #1 was incorrect during replacement of some other sensors.

• soil_heat_flow_1_mv

• surface_soil_heat_flux_1
• corr_soil_heat_flow_1
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• soil_heat_flow_1
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27 - Soil Heat Flow #2 Incorrect

Soil Heat Flow sensor #2 was intermittently incorrect at first and then
constantly so later in the period.

• soil_heat_flow_2_mv

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_2
• soil_heat_flow_2
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• corr_soil_heat_flow_2
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)

SGP/EBBR/E19 - Many Measurements Incorrect

Many measurements were incorrect during replacement of a multiplexer.

• temp_air_left
• soil_temp_4_rr
• soil_temp_3_rr
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_temp_5_rr
• temp_trh_left_rr
• temp_trh_right_rr
• temp_air_right

• temp_trh_bottom
• temp_trh_top
• temp_air_bottom
• temp_reference
• temp_air_top

• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• energy_storage_change_1
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• surface_soil_heat_flux_1
• surface_soil_heat_flux_2
• temp_air_bottom
• surface_soil_heat_flux_5
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_3
• temp_trh_top
• temp_air_top
• surface_soil_heat_flux_4
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• bowen_ratio
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27 - Soil Heat Flow #4 Incorrect

Soil Heat flow sensor #4 outputs were often very small negative numbers.

See below for a work-around.

• soil_heat_flow_4_mv

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_4
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• corr_soil_heat_flow_4
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• soil_heat_flow_4

SGP/EBBR/E27 - Reference T Sensor Failure

The reference T sensor was not working much of the time, affecting 
all other temperature sensors.  Sensible and latent heat fluxes
were incorrect when this occurred.

• temp_air_top
• temp_reference
• temp_air_bottom

• temp_air_right
• temp_air_left
• temp_reference_rr

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_reference
• temp_air_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• bowen_ratio
• temp_air_bottom

SGP/EBBR/E27 - Wind Direction Hung

The Wind Direction frequently hung at values in the 70s or 80s.

No other data was affected. Fluxes were not affected.

• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• wdir_vec_std
• Wind speed vector mean(wspd_vec_mean)

• wdir_vec_mean_mv

• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• wdir_vec_std
• Wind speed vector mean(wspd_vec_mean)

SGP/EBBR/E19 -  6 Month Checks

Many measurements were incorrect while the AEM was positioned with both aspirators at the 
same height for comparison checks.

• temp_air_left
• rh_right_mv
• rh_left_mv
• temp_trh_left_rr
• temp_trh_right_rr
• temp_air_right

• temp_trh_bottom
• temp_trh_top
• vapor_pressure_top
• temp_air_bottom
• vapor_pressure_bottom
• temp_air_top
• rh_top_fraction
• rh_bottom_fraction

• vapor_pressure_top
• temp_trh_bottom
• vapor_pressure_bottom
• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• temp_air_top
• rh_top_fraction
• rh_bottom_fraction
• bowen_ratio
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27 -  6 Month Checks

Many measurements were incorrect while the AEM was positioned with both aspirators at the 
same height for comparison checks.

• temp_trh_bottom
• temp_air_bottom
• rh_top_fraction
• temp_air_top
• rh_bottom_fraction
• vapor_pressure_top
• temp_trh_top
• vapor_pressure_bottom

• temp_trh_right_rr
• rh_right_mv
• temp_air_right
• temp_air_left
• temp_trh_left_rr
• rh_left_mv

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_air_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• rh_bottom_fraction
• rh_top_fraction
• temp_air_bottom
• temp_trh_bottom
• temp_trh_top
• vapor_pressure_top
• bowen_ratio
• vapor_pressure_bottom

SGP/EBBR/E27  - Soil Heat Flow #1 Large

Soil Heat Flow #1 was large for this period, for
an unknown reason.

• soil_heat_flow_1_mv

• corr_soil_heat_flow_1
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_1
• soil_heat_flow_1
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)

SGP/EBBR/E27  - Incorrect Data From Logger Restart

Some 30 minute was zero or incorrect after restart of the CR10.

This is a common occurrence when sensor replacements are made or power
outages occur.

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• surface_soil_heat_flux_2
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• surface_soil_heat_flux_5
• home_signal_15
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• surface_soil_heat_flux_1
• energy_storage_change_3
• energy_storage_change_4
• energy_storage_change_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• energy_storage_change_1
• energy_storage_change_2

SGP/EBBR/E19  - Water in Net Radiometer; Surface Fluxes are Incorrect

The net radiometer top dome was punctured by migrating birds.  This alone does not cause 
incorrect net radiation measurements.  However, when it subsequently rains, water collects 
in the bottom dome, causing the net radiation measurements to be too large during the 
day and too small at night.

• net_radiation_mv

• Radiation, net(net_radiation)

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Radiation, net(net_radiation)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27  - Water in Net Radiometer; Surface Fluxes are Incorrect

The net radiometer top dome was punctured by migrating birds.  This alone does not cause 
incorrect net radiation measurements.  However, when it subsequently rains, water collects 
in the bottom dome, causing the net radiation measurements to be too large during the 
day and too small at night.

• Radiation, net(net_radiation)

• net_radiation_mv

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Radiation, net(net_radiation)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27  - 15 and 30 Minute Data All Zeros

15 and 30 minute measurements were all zero after restarting the CR10 datalogger.

• wdir_vec_mean_mv
• soil_heat_flow_2_mv
• soil_heat_flow_4_mv
• atmos_pressure_mv
• soil_moisture_3_rr
• soil_moisture_1_rr
• battery_voltage
• soil_temp_5_rr
• soil_heat_flow_1_mv
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• temp_air_left
• soil_temp_3_rr
• home_signal
• soil_moisture_5_rr
• soil_moisture_4_rr
• temp_reference_rr
• soil_heat_flow_3_mv
• soil_moisture_2_rr
• temp_trh_right_rr
• soil_heat_flow_5_mv
• rh_right_mv
• soil_temp_4_rr
• soil_temp_1_rr
• net_radiation_mv
• soil_temp_2_rr
• temp_air_right
• temp_trh_left_rr
• rh_left_mv

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• soil_heat_flow_1
• surface_soil_heat_flux_2
• soil_heat_flow_2
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• surface_soil_heat_flux_5
• soil_heat_flow_5
• soil_heat_flow_3
• soil_heat_flow_4
• Radiation, net(net_radiation)
• energy_storage_change_3
• energy_storage_change_4
• energy_storage_change_5
• energy_storage_change_1
• energy_storage_change_2
• home_signal_30
• rh_bottom_fraction
• soil_moisture_1
• rh_top_fraction
• soil_temp_1
• surface_soil_heat_flux_1
• soil_temp_4
• soil_moisture_2
• soil_temp_5
• soil_moisture_3
• soil_temp_2
• soil_moisture_4
• soil_temp_3
• soil_moisture_5
• vapor_pressure_top
• corr_soil_heat_flow_1
• soil_heat_capacity_5
• soil_heat_capacity_3
• soil_heat_capacity_4
• temp_air_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Barometric Pressure(atmos_pressure)
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• wdir_vec_std
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• home_signal_15
• temp_air_bottom
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• temp_trh_bottom
• temp_reference
• temp_trh_top
• soil_heat_capacity_2
• Wind speed vector mean(wspd_vec_mean)
• soil_heat_capacity_1
• vapor_pressure_bottom
• bowen_ratio
• corr_soil_heat_flow_2
• corr_soil_heat_flow_3
• corr_soil_heat_flow_4
• corr_soil_heat_flow_5

SGP/EBBR/E19 - Tair Right Offscale

The right air temperature data were going offscale.  This 
                  affected the calculation of sensible and latent heat 
                  fluxes.

• temp_air_right

• temp_air_bottom
• temp_air_top

• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_air_top
• bowen_ratio
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27 - Right Air Temperature Spiked Offscale

The right air temperature was going offscale at times.
This problem seemed to end without Site Ops. intervention.

• temp_air_top
• temp_air_bottom

• temp_air_right

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_air_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• bowen_ratio
• temp_air_bottom

SGP/EBBR/E27 - Missing data during system update

Some soil parameters were slightly incorrect since EBBR.E27 was 
                 installed in May 2003.  While the coefficients were being updated,
                 data collection was suspended resulting in missing data for the 
                 specified period.
                    No significant effects (1% or less) on the surface heat flux data 
                 would have occurred from using the slightly incorrect coefficients. 
                 Therefore, flagging of the surface flux data from the time of 
                 installation of E27 is unwarranted.

• rh_top_fraction
• base_time
• temp_reference
• vapor_pressure_bottom
• lon
• temp_trh_bottom
• temp_air_bottom
• home_signal
• time
• Wind speed vector mean(wspd_vec_mean)
• lat
• wdir_vec_std
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• rh_bottom_fraction
• temp_air_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• Radiation, net(net_radiation)
• Barometric Pressure(atmos_pressure)
• alt
• time_offset
• vapor_pressure_top
• temp_trh_top

• wdir_vec_mean_mv
• soil_heat_flow_4_mv
• lon
• soil_moisture_1_rr
• soil_moisture_3_rr
• battery_voltage
• time_offset
• soil_temp_5_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• alt
• temp_air_left
• soil_moisture_5_rr
• soil_moisture_4_rr
• temp_reference_rr
• soil_moisture_2_rr
• soil_temp_1_rr
• net_radiation_mv
• lat
• temp_air_right
• temp_trh_left_rr
• soil_heat_flow_2_mv
• atmos_pressure_mv
• soil_heat_flow_1_mv
• soil_temp_3_rr
• home_signal
• soil_heat_flow_3_mv
• soil_heat_flow_5_mv
• temp_trh_right_rr
• rh_right_mv
• base_time
• soil_temp_4_rr
• soil_temp_2_rr
• rh_left_mv

• surface_soil_heat_flux_2
• soil_heat_flow_1
• surface_soil_heat_flux_3
• soil_heat_flow_2
• surface_soil_heat_flux_4
• surface_soil_heat_flux_5
• soil_heat_flow_5
• soil_heat_flow_3
• soil_heat_flow_4
• energy_storage_change_3
• energy_storage_change_4
• energy_storage_change_5
• energy_storage_change_1
• energy_storage_change_2
• rh_bottom_fraction
• rh_top_fraction
• surface_soil_heat_flux_1
• corr_soil_heat_flow_1
• time_offset
• temp_air_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• lon
• Barometric Pressure(atmos_pressure)
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• temp_air_bottom
• temp_trh_bottom
• temp_trh_top
• Wind speed vector mean(wspd_vec_mean)
• corr_soil_heat_flow_2
• vapor_pressure_bottom
• corr_soil_heat_flow_3
• corr_soil_heat_flow_4
• corr_soil_heat_flow_5
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Radiation, net(net_radiation)
• home_signal_30
• soil_moisture_1
• soil_temp_1
• soil_moisture_2
• soil_temp_4
• soil_moisture_3
• soil_temp_5
• soil_moisture_4
• soil_temp_2
• soil_temp_3
• soil_moisture_5
• base_time
• vapor_pressure_top
• soil_heat_capacity_5
• soil_heat_capacity_3
• soil_heat_capacity_4
• lat
• alt
• wdir_vec_std
• home_signal_15
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• temp_reference
• soil_heat_capacity_2
• soil_heat_capacity_1
• bowen_ratio

SGP/EBBR/E19 - Battery Voltage Too Low, Most Measurements Incorrect

Battery voltage dropped below levels required to sustain the 
               production of valid data.  The AC charger unit had failed.  
               This prevented charging of the battery during the night and
               prevented the solar panel regulator from properly charging 
               the battery during the day.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• temp_air_right
• soil_heat_flow_2_mv

• temp_trh_top
• time
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• surface_soil_heat_flux_1
• soil_moisture_2
• surface_soil_heat_flux_2
• soil_moisture_1
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E19 - AEM Stuck In One Position, Surface Fluxes Incorrect

The AEM home 15 and 30 outputs were both 40 mv
because the AEM was not exchanging.

Sensible and Latent Heat Fluxes are therefore
incorrect.

• temp_air_left
• temp_trh_left_rr
• temp_trh_right_rr
• temp_air_right

• temp_trh_bottom
• vapor_pressure_bottom
• temp_trh_top
• temp_air_top
• vapor_pressure_top
• rh_top_fraction
• temp_air_bottom
• rh_bottom_fraction

• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• temp_air_top
• rh_top_fraction
• vapor_pressure_top
• temp_trh_bottom
• rh_bottom_fraction
• bowen_ratio
• vapor_pressure_bottom
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27 - Right Air Temperature Spiked Offscale

The right air temperature was going offscale at times.

• temp_air_top
• temp_air_bottom

• temp_air_right

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_air_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• bowen_ratio
• temp_air_bottom

SGP/EBBR/E19 - Data Missing During Recalibration Changeout

Data was missing during the recalibration changeout.

• Raw data stream - documentation not supported

• Raw data stream - documentation not supported

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• base_time
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• time_offset
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• lat
• soil_temp_4_rr
• battery_voltage
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• alt
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• lon
• temp_air_right
• soil_heat_flow_2_mv

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• lon
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• lat
• time_offset
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• alt
• base_time
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• soil_moisture_2
• surface_soil_heat_flux_1
• soil_moisture_1
• surface_soil_heat_flux_2
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• base_time
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• lon
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• lat
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• time_offset
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• alt
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

• vegetation_height
• Heat flux, sensible, best estimate(hcomb)
• g3
• g4
• g5
• vp_top
• g1
• g2
• ces5
• lon
• ces2
• ces1
• ces4
• tair_bot
• wind_d
• ces3
• hum_top
• time_offset
• bowen
• home_15
• cs3
• cs2
• cs1
• cs5
• cs4
• tair_top
• Heat flux, latent(e)
• vp_bot
• shf5
• shf3
• shf4
• shf1
• shf2
• Corrected sensible heat flux(h)
• Radiation, net(q)
• ts3
• ts4
• ts5
• Pressure, atmospheric, constant value of model level, RUC model output(pres)
• ts1
• sm1
• ts2
• Heat flux, sensible, aerodynamic(ah)
• sm3
• sm2
• sm5
• sm4
• c_shf5
• c_shf2
• c_shf1
• c_shf4
• c_shf3
• Average soil heat flux(ave_shf)
• hum_bot
• thum_bot
• sigma_wd
• tref
• Heat flux, latent, best estimate(ecomb)
• thum_top
• base_time
• home_30
• austar
• res_ws
• alt
• lat
• Heat flux, latent, aerodynamic(ale)
• wind_s

SGP/EBBR/E19 - 6 Month Checks

Many measurements were incorrect while the AEM was positioned with both aspirators at the 
same height for comparison checks.

• temp_air_left
• rh_right_mv
• rh_left_mv
• temp_trh_left_rr
• temp_trh_right_rr
• temp_air_right

• temp_trh_bottom
• temp_trh_top
• vapor_pressure_top
• temp_air_bottom
• vapor_pressure_bottom
• temp_air_top
• rh_top_fraction
• rh_bottom_fraction

• vapor_pressure_top
• temp_trh_bottom
• vapor_pressure_bottom
• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• temp_air_top
• rh_top_fraction
• rh_bottom_fraction
• bowen_ratio
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - 6 Month Checks

Many measurements were incorrect while the AEM was positioned with both aspirators at the 
same height for comparison checks.

• temp_air_left
• rh_right_mv
• rh_left_mv
• temp_trh_left_rr
• temp_trh_right_rr
• temp_air_right

• temp_trh_bottom
• temp_trh_top
• vapor_pressure_top
• temp_air_bottom
• vapor_pressure_bottom
• temp_air_top
• rh_top_fraction
• rh_bottom_fraction

• vapor_pressure_top
• temp_trh_bottom
• vapor_pressure_bottom
• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• temp_air_top
• rh_top_fraction
• rh_bottom_fraction
• bowen_ratio
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - Data All Zeros

The time period after restart of the datalogger produced all
zero data.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• battery_voltage
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• soil_heat_flow_2_mv
• temp_air_right

• temp_trh_top
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• soil_moisture_2
• surface_soil_heat_flux_1
• surface_soil_heat_flux_2
• soil_moisture_1
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E27 - 6 Month Checks

Many measurements were incorrect while the AEM was positioned with both aspirators at the 
same height for comparison checks.

• temp_trh_bottom
• temp_air_bottom
• rh_top_fraction
• temp_air_top
• rh_bottom_fraction
• vapor_pressure_top
• temp_trh_top
• vapor_pressure_bottom

• temp_trh_right_rr
• rh_right_mv
• temp_air_right
• temp_air_left
• temp_trh_left_rr
• rh_left_mv

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_air_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• rh_bottom_fraction
• rh_top_fraction
• temp_air_bottom
• temp_trh_bottom
• temp_trh_top
• vapor_pressure_top
• bowen_ratio
• vapor_pressure_bottom

SGP/EBBR/E27 - Reprocess: Soil Heat Flow #5 Offscale, Surface Fluxes Incorrect

Soil Heat Flow #5 went offscale at times.

Latent and Sensible Heat Fluxes were incorrect when this occurred.

• soil_heat_flow_5_mv

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• surface_soil_heat_flux_5
• soil_heat_flow_5
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• corr_soil_heat_flow_5

SGP/EBBR/E27 - Soil Temperature #3 Spike in Data

The soil temperature #3 spiked to zero and was therefore incorrect.

• soil_temp_3_rr

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• soil_temp_3
• energy_storage_change_3
• surface_soil_heat_flux_3
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)

SGP/EBBR/E19 - Wind Speed Sensor Frozen Stopped by Ice Storm

An ice storm froze the wind speed sensor to a stopped condition.
It is not known how long this condition existed, as data is missing
for more than 10 days after the end of the stated period.

The wind speed and residual wind speed measurements are incorrect.

This sensor failure does not affect the sensible and latent heat fluxes.

• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

SGP/EBBR/E19 - Low Battery Voltage Caused Incorrect Data

Battery voltage less than 10.5 V caused much data to be questionable or incorrect.

• soil_heat_flow_1_mv
• soil_moisture_4_rr
• soil_moisture_2_rr
• temp_air_left
• atmos_pressure_mv
• rh_left_mv
• soil_moisture_3_rr
• soil_heat_flow_3_mv
• soil_heat_flow_4_mv
• net_radiation_mv
• soil_temp_4_rr
• rh_right_mv
• soil_temp_1_rr
• temp_reference_rr
• soil_temp_2_rr
• soil_moisture_1_rr
• temp_trh_right_rr
• home_signal
• soil_moisture_5_rr
• soil_temp_3_rr
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_mean_mv
• soil_temp_5_rr
• temp_trh_left_rr
• soil_heat_flow_5_mv
• soil_heat_flow_2_mv
• temp_air_right

• temp_trh_top
• time
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• wdir_vec_std
• temp_trh_bottom
• Barometric Pressure(atmos_pressure)
• vapor_pressure_top
• home_signal
• vapor_pressure_bottom
• Radiation, net(net_radiation)
• rh_top_fraction
• rh_bottom_fraction
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_air_bottom
• temp_reference
• temp_air_top
• Wind speed vector mean(wspd_vec_mean)

• vapor_pressure_top
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• temp_trh_bottom
• soil_temp_5
• soil_temp_1
• soil_temp_2
• soil_temp_3
• soil_temp_4
• surface_soil_heat_flux_1
• soil_moisture_2
• surface_soil_heat_flux_2
• soil_moisture_1
• soil_moisture_4
• soil_moisture_3
• surface_soil_heat_flux_5
• surface_soil_heat_flux_3
• surface_soil_heat_flux_4
• rh_bottom_fraction
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Wind speed vector mean(wspd_vec_mean)
• Wind speed, lower, 1-min avg(wspd_arith_mean)
• soil_moisture_5
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• home_signal_30
• energy_storage_change_3
• energy_storage_change_2
• energy_storage_change_5
• energy_storage_change_4
• home_signal_15
• energy_storage_change_1
• Radiation, net(net_radiation)
• soil_heat_capacity_4
• soil_heat_capacity_5
• soil_heat_capacity_2
• soil_heat_capacity_3
• wdir_vec_std
• soil_heat_capacity_1
• bowen_ratio
• Barometric Pressure(atmos_pressure)
• corr_soil_heat_flow_4
• corr_soil_heat_flow_3
• corr_soil_heat_flow_2
• corr_soil_heat_flow_1
• vapor_pressure_bottom
• soil_heat_flow_4
• soil_heat_flow_5
• temp_air_bottom
• temp_reference
• temp_air_top
• rh_top_fraction
• corr_soil_heat_flow_5
• soil_heat_flow_1
• soil_heat_flow_2
• soil_heat_flow_3

SGP/EBBR/E27  - Wind Speed Frozen Stopped By Ice

An ice storm froze the wind speed sensor to a stopped condition.

The wind speed and residual wind speed measurements are incorrect.

This sensor failure does not affect the sensible and latent heat fluxes.

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

SGP/EBBR/E19  - Wind Speed Frozen Stopped By Ice

An ice storm froze the wind speed sensor to a stopped condition.

The wind speed and residual wind speed measurements are incorrect.

This sensor failure does not affect the sensible and latent heat fluxes.

• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

SGP/EBBR/E27 - Soil Moisture #5 Insensitive

Soil moisture sensor #5 was insensitive and put out a value of around 30%.

Sensible and latent heat fluxes were not significantly affected by this
small error.

• soil_heat_capacity_5
• soil_moisture_5
• energy_storage_change_5
• surface_soil_heat_flux_5
• corr_soil_heat_flow_5

SGP/EBBR/E19 - Reprocess: Incorrect Net Rad Calibration Coefficient

The net radiometer coefficient installed on 2/5/04 for nighttime (negative voltage 
calibration) was incorrect.

Negative net radiations during the subject period can be multiplied by
0.9419 to get corrected net radiation measurements.  The sensible (H)
and latent heat (LE) fluxes (which are very small at night anyway) can
be recalculated using the following equations (where B is Bowen ratio,
Rn is corrected net radiation, and G is soil heat flow):

LE = -(Rn + G)/(B + 1)

H = -(Rn + G + LE)

• Radiation, net(net_radiation)

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Radiation, net(net_radiation)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

• Corrected sensible heat flux(h)
• Heat flux, latent, aerodynamic(ale)
• Heat flux, sensible, aerodynamic(ah)
• Heat flux, latent(e)
• Radiation, net(q)

SGP/EBBR/E27  - Right Air Temperature Incorrect

The right air temperature, and therefore top and bottom air temperatures
were offscale or incorrect on occasion.  Bowen ratio, sensible heat flux, and latent heat 
flux were also incorrect during those times.

Inspection of the data is required to detect the incorrect periods.

• temp_air_top
• temp_air_bottom

• temp_air_right

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_air_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• bowen_ratio
• temp_air_bottom

SGP/EBBR/E19 - Metadata errors

The latitude, longitude and altitude of the El Reno (E19) site were
incorrectly entered into the ARM database.  The correct location
of the EBBR.E19 instrument is:
 Lat: 35.557N
 Lon: 98.017W
 Alt:    421m

• alt
• lon
• lat

• alt
• lon
• lat

• lon
• lat
• alt

SGP/EBBR/E19 - Metadata errors

The latitude, longitude and altitude of the El Reno (E19) site were
incorrectly entered into the ARM database.  The correct location
of the EBBR.E19 instrument is:
    Lat: 35.557N
    Lon: 98.017W
    Alt:    421m

• alt
• lon
• lat

• lat
• lon
• alt

• alt
• lon
• lat

SGP/EBBR/E19 - AEM Hung Inbetween Home Positions

The AEM hung inbetween home positions, producing a home signal of zero.

Sensible and latent heat fluxes during this period are incorrect.

• temp_air_left
• temp_air_right

• temp_trh_bottom
• vapor_pressure_bottom
• temp_trh_top
• temp_air_top
• vapor_pressure_top
• rh_top_fraction
• temp_air_bottom
• rh_bottom_fraction

• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• temp_air_top
• rh_top_fraction
• vapor_pressure_top
• temp_trh_bottom
• rh_bottom_fraction
• bowen_ratio
• vapor_pressure_bottom
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27 - Loose Tair Left Connections

Tair left dropped out at times. When this occurred, the sensible and latent heat fluxes 
are incorrect.

Tightening of the electronic connections to the datalogging equipment
appears to have solved the problem.

• temp_air_top
• temp_air_bottom

• temp_air_left

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_air_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• bowen_ratio
• temp_air_bottom

SGP/EBBR/E19 - 6 Month Checks

Many measurements were incorrect while the AEM was positioned with both aspirators at the 
same height for comparison checks.

• temp_air_left
• rh_right_mv
• rh_left_mv
• temp_trh_left_rr
• temp_trh_right_rr
• temp_air_right

• temp_trh_bottom
• temp_trh_top
• vapor_pressure_top
• temp_air_bottom
• vapor_pressure_bottom
• temp_air_top
• rh_top_fraction
• rh_bottom_fraction

• vapor_pressure_top
• temp_trh_bottom
• vapor_pressure_bottom
• temp_air_bottom
• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_trh_top
• temp_air_top
• rh_top_fraction
• rh_bottom_fraction
• bowen_ratio
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27 - 6 Month Checks

Many measurements were incorrect while the AEM was positioned with both aspirators at the 
same height for comparison checks.

• temp_trh_bottom
• temp_air_bottom
• rh_top_fraction
• temp_air_top
• rh_bottom_fraction
• vapor_pressure_top
• temp_trh_top
• vapor_pressure_bottom

• temp_trh_right_rr
• rh_right_mv
• temp_air_right
• temp_air_left
• temp_trh_left_rr
• rh_left_mv

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• temp_air_top
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
• rh_bottom_fraction
• rh_top_fraction
• temp_air_bottom
• temp_trh_bottom
• temp_trh_top
• vapor_pressure_top
• bowen_ratio
• vapor_pressure_bottom

SGP/EBBR/E19  - Wind Speed Frozen Stopped By Ice Storm

An ice storm froze the wind speed sensor to a stopped condition.

The wind speed and residual wind speed measurements are incorrect.

This sensor failure does not affect the sensible and latent heat fluxes.

• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

SGP/EBBR/E27  - Wind Speed Frozen Stopped By Ice Storm

An ice storm froze the wind speed sensor to a stopped condition.

The wind speed and residual wind speed measurements are incorrect.

This sensor failure does not affect the sensible and latent heat fluxes.

• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

SGP/EBBR/E27  - Wind Direction Frozen Stopped By Ice Storm

The wind direction sensor was frozen stopped by ice from a storm.  
The wind direction, sigma_wd, and residual wind speed measurements 
are incorrect.

• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• wdir_vec_std
• Wind speed vector mean(wspd_vec_mean)

• wdir_vec_mean_mv

• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• wdir_vec_std
• Wind speed vector mean(wspd_vec_mean)

SGP/EBBR/E19  - Wind Direction Frozen Stopped By Ice Storm

The wind direction sensor was frozen stopped by ice from a storm.  
The wind direction, sigma_wd, and residual wind speed measurements 
are incorrect.

• wdir_vec_mean_mv

• wdir_vec_std
• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• Wind speed vector mean(wspd_vec_mean)

• Wind direction, vector, lower, 1-min avg(wdir_vec_mean)
• wdir_vec_std
• Wind speed vector mean(wspd_vec_mean)

SGP/EBBR/E27 - Soil Moisture #5 Incorrect

The wrong CR10 program loaded from the storage module on 9/15/04.  During the previous 
change of program, an attempt was made to store the new program in the storage module; site 
ops techs did not notice that this attempt failed, leaving the old program in the storage 
module.  When power was cyled on 9/15/04, the old program with flat sm5 coefficients 
loaded into the CR10.  The "flat" coefficients resulted in the sm5 soil moisture hovering 
around 30%.

15 minute raw sm5 resistances were correct.

Average soil heat flow, sensible heat flux, and latent heat flux were not
significantly affected and so are not included in the list of incorrect measurements.

• soil_moisture_5

SGP/EBBR/E19  - Wind Speed Constant

Wind Speed was constant at 5 m/s during this period; the reason is unknown.

This sensor failure does not affect the sensible and latent heat fluxes.

• Wind speed, lower, 1-min avg(wspd_arith_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

• Wind speed, lower, 1-min avg(wspd_arith_mean)
• Wind speed vector mean(wspd_vec_mean)

SGP/EBBR/E19 - Reprocess: Negative Net Rad calibrations

The calibration for negative net radiation was incorrectly entered in the datalogger 
program.

• Radiation, net(net_radiation)

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Radiation, net(net_radiation)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E27 - SM2 Coefficients Incorect

Soil Moisture #2 coefficients in the CR10 datalogger program were incorrect during the 
time
that an old program version was installed.

• soil_moisture_2_rr

• soil_moisture_2
• surface_soil_heat_flux_2
• soil_heat_capacity_2
• corr_soil_heat_flow_2
• energy_storage_change_2

SGP/EBBR/E19 - Net Radiation Incorrect - Cable Chewed by Rodents

The net radiation measurement was incorrect after the net radiometer cable was chewed by 
rodents.  Sensible and latent heat fluxes were therefore incorrect.

• net_radiation_mv

• Radiation, net(net_radiation)

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Radiation, net(net_radiation)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)

SGP/EBBR/E19 - Improved EBBR CR10 Program

Effective 20050331.1600, the EBBR.E19 CR10 program was revised to improve 
the quality of the primary measurements as follows:
   
1) An RMS procedure is used to determine max and min limits of acceptable
soil heat flow.  This is applied to the individual soil sets.  Measurements
outside the limits are rejected and the measurements within the limits are
used to calculate the average soil heat flow.
   
2) Max and min limits are used to determine incorrect values of net
radiation, sensible heat flux (h), latent heat flux (e), and automatic
exchange mechanism (AEM) signal.  If AEM signal is outside the limits, h 
and e are set to 999s.  If net radiation is outside the limits, h and e are 
set to 999s. If h or e are outside the limits, h and e are set to 999s.
   
Virtually no incorrect soil measurement will affect the primary 
measurements of h and e.
   
By setting h and e to 999s, it can be easily seen that the primary 
variables are incorrect; no other interpretation is possible.
   
Prior to 20050331, the improved CR10 program was NOT in effect.  DQRs have
been submitted for known instances of incorrect soil measurements which
affected the quality of the primary measurements of h and e.
   
Note: the DQR begin date is the begin date of the sgp30ebbrE19.b1 data
stream.  The earlier version of the CR10 program was also used on previous
EBBR datastream names (e.g. sgp30ebbrE19.a1).

• Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
• Average soil heat flow at the surface(surface_soil_heat_flux_avg)
• Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)