Data Quality Reports for Session: 136066 User: kcwang Completed: 07/13/2011

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D040615.6SGP/SWATS/E12 - Time driftsgpswatsE12.b1, sgpswatspcpE12.b1
D090615.1SGP/SWATS/E12 - Precip measurement failuresgpswatspcpE12.b1


DQRID : D040615.6
Start DateStart TimeEnd DateEnd Time
02/19/2004221203/10/20042247
Subject:
SGP/SWATS/E12 - Time drift
DataStreams:sgpswatsE12.b1, sgpswatspcpE12.b1
Description:
The time synchronization server stopped working on Feb. 19th at 22:12:16 GMT.  The clock 
was corrected by -5600.177269 seconds on March 10th at 22:47 GMT. The recorded times for 
observations are off by amounts ranging from 0 seconds on Feb. 19th to 5600 seconds on 
March 10th.
Measurements:sgpswatspcpE12.b1:
  • Precipitation, total(precip)
  • time
  • base_time
  • time_offset
sgpswatsE12.b1:
  • tref
  • Soil Temperature, West Profile(tsoil_W)
  • Soil Water Potential, East Profile(soilwatpot_E)
  • Sensor Temperature Rise, West Profile(trise_W)
  • Volumetric Water Content, West Profile(watcont_W)
  • Sensor Temperature Rise, East Profile(trise_E)
  • time_offset
  • Soil Water Potential, West Profile(soilwatpot_W)
  • base_time
  • Volumetric Water Content, East Profile(watcont_E)
  • Soil Temperature, East Profile(tsoil_E)

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DQRID : D090615.1
Start DateStart TimeEnd DateEnd Time
06/04/2009000006/16/20091628
Subject:
SGP/SWATS/E12 - Precip measurement failure
DataStreams:sgpswatspcpE12.b1
Description:
The tipping-bucket rain gauge was not functioning correctly. The rain gauge measured no 
meaningful precipitation after 6/3 and did not agree well with nearby Oklahoma mesonet site 
precipitation measurements.

Rain gauge replaced 6/16.
Measurements:sgpswatspcpE12.b1:
  • Precipitation, total(precip)

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