Data Quality Reports for Session: 107533 User: jsooner Completed: 09/05/2007

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D020403.4SGP/SMOS/E4 - E4 SMOS SNOW DATA INCORRECTsgp1440smosE4.a0, sgp30smosE4.a1
D040316.1SGP/SMOS/E4 - 6-month Calibration Checkssgp1440smosE4.a0, sgp1smosE4.a0, sgp30smosE4.a1
D050421.11SGP/SMOS/E4 - Reprocess: Wind direction offsetsgp1smosE4.a0, sgp30smosE4.a1


DQRID : D020403.4
Start DateStart TimeEnd DateEnd Time
04/03/1996000003/31/20012359
Subject:
SGP/SMOS/E4 - E4 SMOS SNOW DATA INCORRECT
DataStreams:sgp1440smosE4.a0, sgp30smosE4.a1
Description:
Due to a programming error all snow depth data was reported as 0.  In effect, no snow 
depth data was collected.
Measurements:sgp30smosE4.a1:
  • Snow Depth Sensor(snow_sen)
  • Snow Depth(snow)
sgp1440smosE4.a0:
  • Minimum Snow Depth(min_snow_depth)
  • Maximum Snow Depth(max_snow)
  • Time of Minimum Snow Depth(time_min_snow)
  • Time of Maximum Snow Depth(time_max_snow)

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DQRID : D040316.1
Start DateStart TimeEnd DateEnd Time
10/03/1995190010/03/19952100
04/18/1996194504/18/19962145
10/31/1996163510/31/19961752
04/30/1997165604/30/19971856
10/30/1997150010/30/19971700
04/29/1998180104/29/19982001
11/24/1998181511/24/19981850
04/14/1999154504/14/19991630
09/29/1999180009/29/19991820
04/26/2000143004/26/20001523
11/08/2000154811/08/20001615
Subject:
SGP/SMOS/E4 - 6-month Calibration Checks
DataStreams:sgp1440smosE4.a0, sgp1smosE4.a0, sgp30smosE4.a1
Description:
During the time periods specified, the SMOS.E4 tower was
lowered for 6-month Calibration Checks.   During these times 
wind data are incorrect and temperature and humidity data 
may be incorrect.

Note, exact times when tower was down or maintenance was
being performed is sometimes unknown.  Users should use
the remaining data from these days with caution.
Measurements:sgp1smosE4.a0:
  • Wind Speed (vector averaged)(wspd_va)
  • Relative humidity inside the instrument enclosure(rh)
  • Barometric pressure(bar_pres)
  • Beam 0 Temperature(temp)
  • Vapor Pressure (kiloPascals)(vap_pres)
  • Mean Wind Speed(wspd)
  • Unit Vector Wind Direction(wdir)
  • Standard Deviation of wind direction(sd_deg)
sgp30smosE4.a1:
  • Vapor Pressure (kiloPascals)(vap_pres)
  • Standard Deviation of wind direction(sd_deg)
  • Standard Deviation of Vapor Pressure(sd_vap_pres)
  • Relative humidity inside the instrument enclosure(rh)
  • Standard Deviation of Wind Speed(sd_wspd)
  • Standard Deviation of Relative Humidity(sd_rh)
  • Barometric pressure(bar_pres)
  • Standard Deviation of Barometric Pressure(sd_bar_pres)
  • Mean Wind Speed(wspd)
  • Unit Vector Wind Direction(wdir)
  • Beam 0 Temperature(temp)
  • Standard Deviation of Air Temperature(sd_temp)
  • Wind Speed (vector averaged)(wspd_va)
sgp1440smosE4.a0:
  • Time of Minimum Vapor Pressure(time_min_vap_pres)
  • Time of Maximum Vapor Pressure(time_max_vap_pres)
  • Minimum Temperature(min_temp)
  • Maximum Relative Humidity(max_rh)
  • Maximum Temperature(max_temp)
  • Time of Maximum Temperature(time_max_temp)
  • Minimum Barometric Pressure(min_bar_pres)
  • Time of Maximum Relative Humidity(time_max_rh)
  • Time of Maximum Barometric Pressure(time_max_bar_pres)
  • Maximum Vapor Pressure(max_vap_pres)
  • Time of Minimum Wind Speed(time_min_wspd)
  • Minimum Vapor Pressure(min_vap_pres)
  • maximum wind speed (gusts)(max_wspd)
  • Time of Maximum Wind Speed(time_max_wspd)
  • Time of Minimum Temperature(time_min_temp)
  • Minimum Relative Humidity(min_rh)
  • Time of Minimum Barometric Pressure(time_min_bar_pres)
  • Maximum Barometric Pressure(max_bar_pres)
  • Minimum of Wind speed(min_wspd)
  • Time of Minimum Relative Humidity(time_min_rh)

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DQRID : D050421.11
Start DateStart TimeEnd DateEnd Time
03/30/1995000003/31/20012359
Subject:
SGP/SMOS/E4 - Reprocess: Wind direction offset
DataStreams:sgp1smosE4.a0, sgp30smosE4.a1
Description:
When the SGP.E4 SMOS tower was installed it was not aligned
properly resulting in a 7 degree offset.  On 3/9/05, the
datalogger program was modifed to correct for this offset.
Measurements:sgp1smosE4.a0:
  • Unit Vector Wind Direction(wdir)
sgp30smosE4.a1:
  • Unit Vector Wind Direction(wdir)

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