Data Quality Reports for Session: 116480 User: kcwang Completed: 12/15/2008

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D011127.33SGP EBBR E25 - E25 EBBR Data Incorrect During 6 Month Checkssgp15ebbrE25.a1, sgp15ebbrE25.b1, sgp30ebbrE25.a1, sgp30ebbrE25.b1, sgp5ebbrE25.a1
D011206.11SGP EBBR E25 - E25 EBBR Wind Direction Incorrectsgp30ebbrE25.a1, sgp30ebbrE25.b1, sgp5ebbrE25.a1
D011206.12SGP EBBR E25 - E25 EBBR Wind Direction Incorrectsgp30ebbrE25.a1, sgp30ebbrE25.b1, sgp5ebbrE25.a1
D011206.8SGP EBBR E25 - E25 EBBR Soil Heat Flow #3 Incorrectsgp15ebbrE25.a1, sgp15ebbrE25.b1, sgp30ebbrE25.a1, sgp30ebbrE25.b1
D011206.9SGP EBBR E25 - E25 EBBR Soil Heat Flow #1 Incorrectsgp15ebbrE25.a1, sgp15ebbrE25.b1, sgp30ebbrE25.a1, sgp30ebbrE25.b1
D020717.36SGP/EBBR/E25 - Reprocess: Soil Heat Flow #5 Negative Offsetsgp30ebbrE25.a1, sgp30ebbrE25.b1
D030709.1SGP/EBBR/E25 - Incorrect Units for Soil Heat Capacity (cs1, cs2, cs3, cs4, cs5) in 30EBBR
Header		sgp30ebbrE25.b1
D051115.10SGP/EBBR/E25 - metadata errorssgp15ebbrE25.b1, sgp30ebbrE25.b1


DQRID : D011127.33
Start DateStart TimeEnd DateEnd Time
04/04/2001153004/04/20011631
10/17/2001170510/17/20011811
Subject:
SGP EBBR E25 - E25 EBBR Data Incorrect During 6 Month Checks
DataStreams:sgp15ebbrE25.a1, sgp15ebbrE25.b1, sgp30ebbrE25.a1, sgp30ebbrE25.b1, sgp5ebbrE25.a1
Description:
The data was incorrect during the 6 month checks.
Measurements:sgp15ebbrE25.a1:
  • Soil heat flow 1(mv_hft1)
  • Temperature of right humidity sensor chamber(rr_thum_r)
  • Soil heat flow 5(mv_hft5)
  • Left air temperature(tair_l)
  • Soil moisture 4(r_sm4)
  • Temperature of left humidity sensor chamber(rr_thum_l)
  • Net radiation(mv_q)
  • Soil moisture 3(r_sm3)
  • Left relative humidity(mv_hum_l)
  • Soil temperature 1(rr_ts1)
  • Soil heat flow 4(mv_hft4)
  • Soil moisture 1(r_sm1)
  • Reference temperature(rr_tref)
  • Soil moisture 5(r_sm5)
  • Soil temperature 4(rr_ts4)
  • Atmospheric pressure(mv_pres)
  • Right air temperature(tair_r)
  • Right relative humidity(mv_hum_r)
  • Wind direction (relative to true north)(mv_wind_d)
  • Soil temperature 5(rr_ts5)
  • Soil moisture 2(r_sm2)
  • Soil heat flow 3(mv_hft3)
  • Soil temperature 3(rr_ts3)
  • Soil temperature 2(rr_ts2)
  • Soil heat flow 2(mv_hft2)
  • scalar wind speed(wind_s)
sgp30ebbrE25.b1:
  • volumetric soil moisture, site 4(sm4)
  • Soil heat capacity 3(cs3)
  • 5 cm soil heat flow, site 3(shf3)
  • latent heat flux(e)
  • 0-5 cm integrated soil temperature, site 4(ts4)
  • Soil heat capacity 5(cs5)
  • volumetric soil moisture, site 5(sm5)
  • 0-5 cm integrated soil temperature, site 3(ts3)
  • 5 cm soil heat flow, site 4(shf4)
  • 0-5 cm change in soil heat storage with time, site 2(ces2)
  • wind direction (relative to true north)(wind_d)
  • bottom air temperature(tair_bot)
  • 5 cm soil heat flow, site 5(shf5)
  • ratio of sensible/latent heat fluxes (Bowen ratio)(bowen)
  • Soil heat capacity 2(cs2)
  • h(h)
  • 0-5 cm integrated soil temperature, site 2(ts2)
  • top vapor pressure(vp_top)
  • soil heat flow, site 2(g2)
  • volumetric soil moisture, site 3(sm3)
  • net radiation(q)
  • 5 cm soil heat flow, site 2(shf2)
  • 0-5 cm change in soil heat storage with time, site 5(ces5)
  • 5 cm soil heat flow, site 1(shf1)
  • soil heat flow, site 1(g1)
  • volumetric soil moisture, site 2(sm2)
  • 5 cm soil heat flow corrected for soil moisture content, site 5(c_shf5)
  • Retrieved pressure profile(pres)
  • 0-5 cm integrated soil temperature, site 2(ts1)
  • Reference Thermistor Temperature(tref)
  • Soil heat capacity 4(cs4)
  • soil heat flow, site 3(g3)
  • 5 cm soil heat flow corrected for soil moisture content, site 1(c_shf1)
  • volumetric soil moisture, site 1(sm1)
  • soil heat flow, site 4(g4)
  • 5 cm soil heat flow corrected for soil moisture content, site 4(c_shf4)
  • average surface soil heat flow(ave_shf)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
  • 5 cm soil heat flow corrected for soil moisture content, site 3(c_shf3)
  • 5 cm soil heat flow corrected for soil moisture content, site 2(c_shf2)
  • Soil heat capacity 1(cs1)
  • Top humidity(hum_top)
  • scalar wind speed(wind_s)
  • soil heat flow, site 5(g5)
  • top air temperature(tair_top)
  • 0-5 cm change in soil heat storage with time, site 2(ces1)
  • Temperature of the top humidity chamber(thum_top)
  • 0-5 cm integrated soil temperature, site 5(ts5)
  • 0-5 cm change in soil heat storage with time, site 3(ces3)
  • Bottom humidity(hum_bot)
  • 0-5 cm change in soil heat storage with time, site 4(ces4)
  • vector wind speed(res_ws)
  • Temperature of bottom humidity sensor chamber(thum_bot)
  • bottom vapor pressure(vp_bot)
sgp15ebbrE25.b1:
  • Left relative humidity(mv_hum_l)
  • Soil temperature 2(rr_ts2)
  • Atmospheric pressure(mv_pres)
  • Soil moisture 5(r_sm5)
  • Right relative humidity(mv_hum_r)
  • Reference temperature(rr_tref)
  • scalar wind speed(wind_s)
  • Temperature of right humidity sensor chamber(rr_thum_r)
  • Soil heat flow 5(mv_hft5)
  • Soil temperature 4(rr_ts4)
  • Temperature of left humidity sensor chamber(rr_thum_l)
  • Soil heat flow 3(mv_hft3)
  • Soil heat flow 4(mv_hft4)
  • Soil temperature 3(rr_ts3)
  • Right air temperature(tair_r)
  • Net radiation(mv_q)
  • Left air temperature(tair_l)
  • Soil moisture 3(r_sm3)
  • Soil moisture 4(r_sm4)
  • Soil temperature 1(rr_ts1)
  • Soil temperature 5(rr_ts5)
  • Soil heat flow 2(mv_hft2)
  • Soil moisture 2(r_sm2)
  • Wind direction (relative to true north)(mv_wind_d)
  • Soil heat flow 1(mv_hft1)
  • Soil moisture 1(r_sm1)
sgp30ebbrE25.a1:
  • bottom vapor pressure(vp_bot)
  • average surface soil heat flow(ave_shf)
  • 5 cm soil heat flow, site 5(shf5)
  • ratio of sensible/latent heat fluxes (Bowen ratio)(bowen)
  • 0-5 cm integrated soil temperature, site 2(ts2)
  • 0-5 cm integrated soil temperature, site 3(ts3)
  • volumetric soil moisture, site 4(sm4)
  • Temperature of bottom humidity sensor chamber(thum_bot)
  • volumetric soil moisture, site 1(sm1)
  • 0-5 cm integrated soil temperature, site 5(ts5)
  • scalar wind speed(wind_s)
  • 5 cm soil heat flow, site 4(shf4)
  • 5 cm soil heat flow corrected for soil moisture content, site 4(c_shf4)
  • top vapor pressure(vp_top)
  • volumetric soil moisture, site 3(sm3)
  • Bottom humidity(hum_bot)
  • soil heat flow, site 4(g4)
  • soil heat flow, site 1(g1)
  • 5 cm soil heat flow, site 1(shf1)
  • 0-5 cm change in soil heat storage with time, site 2(ces1)
  • 5 cm soil heat flow, site 2(shf2)
  • 5 cm soil heat flow, site 3(shf3)
  • 0-5 cm change in soil heat storage with time, site 2(ces2)
  • Soil heat capacity 3(cs3)
  • soil heat flow, site 5(g5)
  • 0-5 cm change in soil heat storage with time, site 4(ces4)
  • volumetric soil moisture, site 2(sm2)
  • bottom air temperature(tair_bot)
  • 5 cm soil heat flow corrected for soil moisture content, site 2(c_shf2)
  • Soil heat capacity 4(cs4)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
  • 0-5 cm change in soil heat storage with time, site 3(ces3)
  • vector wind speed(res_ws)
  • 5 cm soil heat flow corrected for soil moisture content, site 3(c_shf3)
  • wind direction (relative to true north)(wind_d)
  • Temperature of the top humidity chamber(thum_top)
  • h(h)
  • 0-5 cm change in soil heat storage with time, site 5(ces5)
  • top air temperature(tair_top)
  • 5 cm soil heat flow corrected for soil moisture content, site 1(c_shf1)
  • Retrieved pressure profile(pres)
  • 5 cm soil heat flow corrected for soil moisture content, site 5(c_shf5)
  • Reference Thermistor Temperature(tref)
  • Soil heat capacity 2(cs2)
  • Top humidity(hum_top)
  • soil heat flow, site 2(g2)
  • net radiation(q)
  • soil heat flow, site 3(g3)
  • Soil heat capacity 1(cs1)
  • volumetric soil moisture, site 5(sm5)
  • latent heat flux(e)
  • Soil heat capacity 5(cs5)
  • 0-5 cm integrated soil temperature, site 2(ts1)
  • 0-5 cm integrated soil temperature, site 4(ts4)
sgp5ebbrE25.a1:
  • bottom vapor pressure(vp_bot)
  • vector wind speed(res_ws)
  • Retrieved pressure profile(pres)
  • Bottom humidity(hum_bot)
  • wind direction (relative to true north)(wind_d)
  • Top humidity(hum_top)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
  • bottom air temperature(tair_bot)
  • net radiation(q)
  • top air temperature(tair_top)
  • top vapor pressure(vp_top)
  • scalar wind speed(wind_s)
  • Temperature of bottom humidity sensor chamber(thum_bot)
  • Reference Thermistor Temperature(tref)
  • Temperature of the top humidity chamber(thum_top)

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DQRID : D011206.11
Start DateStart TimeEnd DateEnd Time
05/30/2001084505/30/20011801
Subject:
SGP EBBR E25 - E25 EBBR Wind Direction Incorrect
DataStreams:sgp30ebbrE25.a1, sgp30ebbrE25.b1, sgp5ebbrE25.a1
Description:
The wind direction was incorrect at a constant 135 degrees during the indicated period.
Measurements:sgp30ebbrE25.b1:
  • vector wind speed(res_ws)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
  • wind direction (relative to true north)(wind_d)
sgp30ebbrE25.a1:
  • wind direction (relative to true north)(wind_d)
  • vector wind speed(res_ws)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
sgp5ebbrE25.a1:
  • wind direction (relative to true north)(wind_d)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
  • vector wind speed(res_ws)

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DQRID : D011206.12
Start DateStart TimeEnd DateEnd Time
06/30/2001060507/11/20011631
Subject:
SGP EBBR E25 - E25 EBBR Wind Direction Incorrect
DataStreams:sgp30ebbrE25.a1, sgp30ebbrE25.b1, sgp5ebbrE25.a1
Description:
The wind direction was incorrect at close to 0 degrees during the indicated period.
The sensor was replaced to resolve the problem.
Measurements:sgp30ebbrE25.b1:
  • vector wind speed(res_ws)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
  • wind direction (relative to true north)(wind_d)
sgp30ebbrE25.a1:
  • wind direction (relative to true north)(wind_d)
  • vector wind speed(res_ws)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
sgp5ebbrE25.a1:
  • wind direction (relative to true north)(wind_d)
  • standard deviation of wind direction (sigma theta)(sigma_wd)
  • vector wind speed(res_ws)

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DQRID : D011206.8
Start DateStart TimeEnd DateEnd Time
04/18/2001164504/18/20011701
Subject:
SGP EBBR E25 - E25 EBBR Soil Heat Flow #3 Incorrect
DataStreams:sgp15ebbrE25.a1, sgp15ebbrE25.b1, sgp30ebbrE25.a1, sgp30ebbrE25.b1
Description:
Soil heat flow #3 was large negative during the indicated period.
Measurements:sgp15ebbrE25.a1:
  • Soil heat flow 3(mv_hft3)
sgp30ebbrE25.b1:
  • h(h)
  • 5 cm soil heat flow, site 3(shf3)
  • latent heat flux(e)
  • average surface soil heat flow(ave_shf)
  • soil heat flow, site 3(g3)
  • 5 cm soil heat flow corrected for soil moisture content, site 3(c_shf3)
sgp15ebbrE25.b1:
  • Soil heat flow 3(mv_hft3)
sgp30ebbrE25.a1:
  • latent heat flux(e)
  • average surface soil heat flow(ave_shf)
  • h(h)
  • soil heat flow, site 3(g3)
  • 5 cm soil heat flow, site 3(shf3)
  • 5 cm soil heat flow corrected for soil moisture content, site 3(c_shf3)

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DQRID : D011206.9
Start DateStart TimeEnd DateEnd Time
05/13/2001003005/16/20011931
Subject:
SGP EBBR E25 - E25 EBBR Soil Heat Flow #1 Incorrect
DataStreams:sgp15ebbrE25.a1, sgp15ebbrE25.b1, sgp30ebbrE25.a1, sgp30ebbrE25.b1
Description:
Soil heat flow #1 was large negative or large positive during the
indicated period.
Measurements:sgp15ebbrE25.a1:
  • Soil heat flow 1(mv_hft1)
sgp30ebbrE25.b1:
  • h(h)
  • latent heat flux(e)
  • average surface soil heat flow(ave_shf)
  • 5 cm soil heat flow corrected for soil moisture content, site 1(c_shf1)
  • 5 cm soil heat flow, site 1(shf1)
  • soil heat flow, site 1(g1)
sgp15ebbrE25.b1:
  • Soil heat flow 1(mv_hft1)
sgp30ebbrE25.a1:
  • latent heat flux(e)
  • average surface soil heat flow(ave_shf)
  • h(h)
  • 5 cm soil heat flow corrected for soil moisture content, site 1(c_shf1)
  • soil heat flow, site 1(g1)
  • 5 cm soil heat flow, site 1(shf1)

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DQRID : D020717.36
Start DateStart TimeEnd DateEnd Time
02/15/2002221504/08/20021431
Subject:
SGP/EBBR/E25 - Reprocess: Soil Heat Flow #5 Negative Offset
DataStreams:sgp30ebbrE25.a1, sgp30ebbrE25.b1
Description:
Soil heat flow 5 was either too large negative or negative when it should have been 
positive; the cause of the negative offset is unknown, but is often the result of a failed 
J-panel over-voltage protection device.

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

ave_shf = (g1 + g2 + g3 + g4)/4

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

h = -(q + e + ave_shf)
Measurements:sgp30ebbrE25.b1:
  • h(h)
  • 5 cm soil heat flow corrected for soil moisture content, site 5(c_shf5)
  • 5 cm soil heat flow, site 5(shf5)
  • latent heat flux(e)
  • soil heat flow, site 5(g5)
  • average surface soil heat flow(ave_shf)
sgp30ebbrE25.a1:
  • 5 cm soil heat flow corrected for soil moisture content, site 5(c_shf5)
  • latent heat flux(e)
  • average surface soil heat flow(ave_shf)
  • 5 cm soil heat flow, site 5(shf5)
  • h(h)
  • soil heat flow, site 5(g5)

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DQRID : D030709.1
Start DateStart TimeEnd DateEnd Time
04/01/2001000004/08/20022359
Subject:
SGP/EBBR/E25 - Incorrect Units for Soil Heat Capacity (cs1, cs2, cs3, cs4, cs5) in 30EBBR 
Header
DataStreams:sgp30ebbrE25.b1
Description:
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.
Measurements:sgp30ebbrE25.b1:
  • Soil heat capacity 5(cs5)
  • Soil heat capacity 3(cs3)
  • Soil heat capacity 1(cs1)
  • Soil heat capacity 4(cs4)
  • Soil heat capacity 2(cs2)

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DQRID : D051115.10
Start DateStart TimeEnd DateEnd Time
04/01/2001000004/08/20022359
Subject:
SGP/EBBR/E25 - metadata errors
DataStreams:sgp15ebbrE25.b1, sgp30ebbrE25.b1
Description:
During the entire span of EBBR.E25 data, the cdf data files contained a few minor global 
metadata errors. These errors do not affect the data values or quality.

The errors include:
* incomplete sensor location information
* incomplete installation date information
* soil moisture documented as "by volume" should have read "gravimetric"
Measurements:sgp30ebbrE25.b1:
  • base time(base_time)
sgp15ebbrE25.b1:
  • base time(base_time)

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