DQRs for Session: 119352 User:dmfoperCompleted: 05-04-2009

Data Quality Reports for Session: 119352 User: dmfoper Completed: 05/04/2009

TABLE OF CONTENTS

DQR ID	Subject	Data Streams Affected
D030922.7	SGP/EBBR/E27 - Right Air Temperature Spiked Offscale	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
D031021.3	SGP/EBBR/E27 - Missing data during system update	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
D031204.22	SGP/EBBR/E27 - 6 Month Checks	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
D040304.25	SGP/EBBR/E27 - Wind Speed Frozen Stopped By Ice	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
D040507.3	SGP/EBBR/E27 - Right Air Temperature Incorrect	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
D040706.3	SGP/EBBR/E27 - Loose Tair Left Connections	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
D041222.19	SGP/EBBR/E27 - 6 Month Checks	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
D051112.10	SGP/EBBR/E27 - metadata corrections	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
D071001.1	SGP/EBBR/E26 - Sensible and Latent Heat Fluxes Affected by bad temp sensor	sgp15ebbrE26.b1, sgp30ebbrE26.b1, sgp5ebbrE26.b1

DQRID : D030922.7

Start Date	Start Time	End Date	End Time
10/15/2003	1030	11/17/2003	0630

Subject:	SGP/EBBR/E27 - Right Air Temperature Spiked Offscale
DataStreams:	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
Description:	The right air temperature was going offscale at times. This problem seemed to end without Site Ops. intervention.
Measurements:	sgp5ebbrE27.b1: temp_air_bottom temp_air_top sgp30ebbrE27.b1: latent_heat_flux sensible_heat_flux bowen_ratio temp_air_top temp_air_bottom sgp15ebbrE27.b1: temp_air_right

Back To Table of Contents

DQRID : D031021.3

Start Date	Start Time	End Date	End Time
10/29/2003	1700	10/29/2003	1930

Subject:	SGP/EBBR/E27 - Missing data during system update
DataStreams:	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
Description:	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.
Measurements:	sgp5ebbrE27.b1: Dummy altitude for Zeb(alt) wspd_arith_mean vapor_pressure_bottom wdir_vec_mean home_signal temp_air_bottom rh_top_fraction net_radiation lat(lat) Time offset of tweaks from base_time(time_offset) Barometric Pressure(atmos_pressure) vapor_pressure_top temp_reference wdir_vec_std rh_bottom_fraction time(time) base time(base_time) wspd_vec_mean temp_trh_top lon(lon) temp_air_top temp_trh_bottom sgp30ebbrE27.b1: soil_heat_flow_4 Barometric Pressure(atmos_pressure) soil_moisture_3 soil_heat_flow_5 vapor_pressure_bottom sensible_heat_flux surface_soil_heat_flux_5 temp_air_bottom energy_storage_change_2 energy_storage_change_3 soil_heat_capacity_3 soil_temp_2 soil_temp_1 soil_heat_capacity_1 wdir_vec_mean surface_soil_heat_flux_4 net_radiation soil_heat_capacity_2 soil_temp_3 soil_moisture_1 corr_soil_heat_flow_4 wdir_vec_std soil_moisture_2 home_signal_15 lat(lat) soil_temp_5 surface_soil_heat_flux_3 energy_storage_change_1 Dummy altitude for Zeb(alt) home_signal_30 corr_soil_heat_flow_3 soil_temp_4 temp_trh_bottom wspd_vec_mean soil_heat_flow_3 corr_soil_heat_flow_5 base time(base_time) soil_heat_flow_2 surface_soil_heat_flux_1 corr_soil_heat_flow_1 soil_heat_capacity_4 temp_reference lon(lon) Time offset of tweaks from base_time(time_offset) energy_storage_change_4 vapor_pressure_top soil_heat_flow_1 latent_heat_flux soil_heat_capacity_5 corr_soil_heat_flow_2 temp_air_top soil_moisture_5 energy_storage_change_5 surface_soil_heat_flux_2 temp_trh_top rh_top_fraction surface_soil_heat_flux_avg bowen_ratio rh_bottom_fraction wspd_arith_mean soil_moisture_4 sgp15ebbrE27.b1: battery_voltage temp_air_right soil_heat_flow_1_mv lat(lat) soil_moisture_1_rr lon(lon) soil_temp_3_rr soil_temp_4_rr base time(base_time) soil_moisture_5_rr soil_temp_1_rr soil_heat_flow_2_mv Time offset of tweaks from base_time(time_offset) temp_reference_rr soil_temp_5_rr home_signal soil_moisture_4_rr soil_heat_flow_5_mv rh_left_mv soil_heat_flow_4_mv Dummy altitude for Zeb(alt) net_radiation_mv temp_air_left rh_right_mv wdir_vec_mean_mv atmos_pressure_mv wspd_arith_mean soil_moisture_3_rr soil_temp_2_rr temp_trh_left_rr soil_moisture_2_rr temp_trh_right_rr soil_heat_flow_3_mv

Back To Table of Contents

DQRID : D031204.22

Start Date	Start Time	End Date	End Time
10/29/2003	1830	10/29/2003	1945

Subject:	SGP/EBBR/E27 - 6 Month Checks
DataStreams:	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
Description:	Many measurements were incorrect while the AEM was positioned with both aspirators at the same height for comparison checks.
Measurements:	sgp5ebbrE27.b1: rh_bottom_fraction temp_air_bottom rh_top_fraction temp_trh_top temp_air_top vapor_pressure_bottom temp_trh_bottom vapor_pressure_top sgp30ebbrE27.b1: latent_heat_flux temp_trh_bottom temp_air_top vapor_pressure_bottom sensible_heat_flux temp_trh_top rh_top_fraction bowen_ratio rh_bottom_fraction vapor_pressure_top temp_air_bottom sgp15ebbrE27.b1: temp_air_left temp_air_right rh_right_mv rh_left_mv temp_trh_left_rr temp_trh_right_rr

Back To Table of Contents

DQRID : D040304.25

Start Date	Start Time	End Date	End Time
02/02/2004	0705	02/02/2004	1800
02/05/2004	0205	02/05/2004	0600

Subject:	SGP/EBBR/E27 - Wind Speed Frozen Stopped By Ice
DataStreams:	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
Description:	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.
Measurements:	sgp30ebbrE27.b1: wspd_arith_mean wspd_vec_mean sgp5ebbrE27.b1: wspd_arith_mean wspd_vec_mean sgp15ebbrE27.b1: wspd_arith_mean

Back To Table of Contents

DQRID : D040507.3

Start Date	Start Time	End Date	End Time
03/01/2004	0000	03/31/2004	2355

Subject:	SGP/EBBR/E27 - Right Air Temperature Incorrect
DataStreams:	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
Description:	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.
Measurements:	sgp5ebbrE27.b1: temp_air_bottom temp_air_top sgp30ebbrE27.b1: latent_heat_flux sensible_heat_flux bowen_ratio temp_air_top temp_air_bottom sgp15ebbrE27.b1: temp_air_right

Back To Table of Contents

DQRID : D040706.3

Start Date	Start Time	End Date	End Time
06/10/2004	0600	07/21/2004	1725

Subject:	SGP/EBBR/E27 - Loose Tair Left Connections
DataStreams:	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
Description:	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.
Measurements:	sgp5ebbrE27.b1: temp_air_bottom temp_air_top sgp30ebbrE27.b1: latent_heat_flux sensible_heat_flux bowen_ratio temp_air_top temp_air_bottom sgp15ebbrE27.b1: temp_air_left

Back To Table of Contents

DQRID : D041222.19

Start Date	Start Time	End Date	End Time
09/29/2004	2000	09/29/2004	2030

Subject:	SGP/EBBR/E27 - 6 Month Checks
DataStreams:	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
Description:	Many measurements were incorrect while the AEM was positioned with both aspirators at the same height for comparison checks.
Measurements:	sgp5ebbrE27.b1: rh_bottom_fraction temp_air_bottom rh_top_fraction temp_trh_top temp_air_top vapor_pressure_bottom temp_trh_bottom vapor_pressure_top sgp30ebbrE27.b1: latent_heat_flux temp_trh_bottom temp_air_top vapor_pressure_bottom sensible_heat_flux temp_trh_top rh_top_fraction bowen_ratio rh_bottom_fraction vapor_pressure_top temp_air_bottom sgp15ebbrE27.b1: temp_air_left temp_air_right rh_right_mv rh_left_mv temp_trh_left_rr temp_trh_right_rr

Back To Table of Contents

DQRID : D051112.10

Start Date	Start Time	End Date	End Time
10/13/2003	0000	08/16/2005	2359

Subject:	SGP/EBBR/E27 - metadata corrections
DataStreams:	sgp15ebbrE27.b1, sgp30ebbrE27.b1, sgp5ebbrE27.b1
Description:	On 20050816, a series of metadata corrections and additions were completed. These metadata changes apply to all EBBR.E27 data collected by ARM back to the installation of the instrument in May 2003. Please see the current metadata for correct information. These changes do not affect data values or quality. The changes are summarized below: 1) Update of "sensor location" information 2) Addition of installation dates for the systems 3) Correction of soil moisture units (from "by volume" to "gravimetric")
Measurements:	sgp30ebbrE27.b1: base time(base_time) sgp5ebbrE27.b1: base time(base_time) sgp15ebbrE27.b1: base time(base_time)

Back To Table of Contents

DQRID : D071001.1

Start Date	Start Time	End Date	End Time
09/28/2007	0140	10/11/2007	1730

Subject:	SGP/EBBR/E26 - Sensible and Latent Heat Fluxes Affected by bad temp sensor
DataStreams:	sgp15ebbrE26.b1, sgp30ebbrE26.b1, sgp5ebbrE26.b1
Description:	The left Thum (temperature of the humidity sensor chamber) measurement was incorrect at times, affecting several measurements, including the sensible and latent heat fluxes.
Measurements:	sgp15ebbrE26.b1: temp_trh_left_rr sgp5ebbrE26.b1: vapor_pressure_top temp_trh_top temp_trh_bottom vapor_pressure_bottom sgp30ebbrE26.b1: vapor_pressure_bottom sensible_heat_flux vapor_pressure_top latent_heat_flux temp_trh_top temp_trh_bottom bowen_ratio

Back To Table of Contents

END OF DATA