Data Quality Reports for Session: 183555 User: galtierij1 Completed: 02/20/2017


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected Data Quality Metric
D161122.1SGP/RADFLUXANAL/E22 - Incorrect calibration coefficientsgpradflux1longE22.c2Incorrect
D161122.2SGP/RADFLUXANAL/E19 - Reprocess: Incorrect set of SIRS coefficientssgpradflux1longE19.c2Incorrect


DQRID : D161122.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
07/06/2006000004/12/20072359Incorrect
Subject:
SGP/RADFLUXANAL/E22 - Incorrect calibration coefficient
DataStreams:sgpradflux1longE22.c2
Description:
NIP (short_direct_normal) 29541E6 had an incorrect calibration coefficient in the logger 
program. The correct calibration should have been 126.67 [W/m2/mV] instead of  128.97. The 
correct calibration was calculated as  NIPIrr(cor) = NIPIrr(orig) * (126.67/128.97) = 
NIP(orig) * 0.982166 

The SIRS is input into the qcrad1long.c2 which is input to the radflux1long.c2. Once the 
qcrad1long.c2 has been reprocessed for this issue, the radflux1long will need to be 
reprocessed.
Measurements:sgpradflux1longE22.c2:
  • Measured direct downwelling shortwave irradiance(direct_downwelling_shortwave)
  • Estimated clear-sky direct downwelling shortwave irradiance(clearsky_direct_downwelling_shortwave)


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DQRID : D161122.2
Start DateStart TimeEnd DateEnd Time Data Quality Metric
10/13/2007000001/04/20082359Incorrect
Subject:
SGP/RADFLUXANAL/E19 - Reprocess: Incorrect set of SIRS coefficients
DataStreams:sgpradflux1longE19.c2
Description:
Sometime on 10/13/2007 the SIRS data logger reverted to the old program used for the  
previous set of coefficients (i.e. Before the scheduled 09/13 shortwave instrument swap out). 
Differences in coefficients were such that the program change didn't result in easily 
discernible changes in the data. The long wave instruments were not affected. The SIRS data 
were reprocessed to apply the correct calibration coefficients for all shortwave 
measurements but the RADFLUX data have not been reprocessed.
Measurements:sgpradflux1longE19.c2:
  • Measured direct downwelling shortwave irradiance(direct_downwelling_shortwave)
  • Measured broadband diffuse downwelling shortwave irradiance(diffuse_downwelling_shortwave)
  • source_diffuse_downwelling_shortwave
  • Estimated clear-sky direct downwelling shortwave irradiance(clearsky_direct_downwelling_shortwave)
  • source_direct_downwelling_shortwave
  • Estimated clear-sky upwelling shortwave irradiance(clearsky_upwelling_shortwave)
  • Estimated shortwave fractional sky cover(cloudfraction_shortwave)
  • Estimated clear-sky broadband downwelling shorwave irradiance(clearsky_downwelling_shortwave)
  • Shortwave cloud transmissivity(cloud_transmissivity_shortwave)
  • Estimated clear-sky diffuse downwelling shortwave irradiance(clearsky_diffuse_downwelling_shortwave)
  • Broadband downwelling shortwave irradiance from sum or global pyranometer(downwelling_shortwave)


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