Data Quality Reports for Session: 102294 User: mackaro Completed: 10/25/2006

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060630.7SGP/BRS/C1 - Reprocess: Longwave Calibration errorsgpbrsC1.b1


DQRID : D060630.7
Start DateStart TimeEnd DateEnd Time
12/11/2003193502/16/20061903
Subject:
SGP/BRS/C1 - Reprocess: Longwave Calibration error
DataStreams:sgpbrsC1.b1
Description:
Modified pyrgeometer calibration procedures were implemented beginning in December 2003.  
These modified procedures introduced a calibration bias in the longwave data.  The 
previous procedures were re-implemented at all sites between December 2005 and February 2006 to 
restore proper calibrations.                                                             
                The data collected while the incorrect procedures were in place are 
being reprocessing to remove the calibration bias.  Note, this also affected standard 
deviation, maximum and minimum data fields.
Measurements:sgpbrsC1.b1:
  • Downwelling Longwave Hemispheric Net Infrared(down_long_netir)
  • Upwelling (10 meter) Longwave Hemispheric Irradiance, Ventilated Pyrgeometer(up_long_hemisp)
  • Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer(down_long_hemisp_shaded)
  • Upwelling Longwave Hemispheric Net Infrared(up_long_netir)

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