DQRID : D050412.3
Start DateStart TimeEnd DateEnd Time Data Quality Metric
04/07/2005000004/14/20051610Incorrect
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Subject:
SGP/SIRS/E24 - Dirt on dome
DataStreams:sgpsirs20sE24.a0, sgpsirsE24.b1, sgpsirsE24.00
Description:
The Downwelling Shortwave Hemispheric (DSH) Irradiance data were erratic. The Pyranometer 
instrument dome at this site was likely dirty given the relatively large spread between 
the measured DSH and derived DSH readings during the middle part of the day (up to 50 
W/m^2). Rain on 04/06 most likely contributed to this problem.  Preventative maintenance on 
4/14 effectively cleaned the pyranometer dome.  Preventative maintenance reports indicate 
dry-water spots on dome when it was cleaned on 4/14.
Suggestions: 
Disregard this data.
Measurements:sgpsirsE24.b1:
  • down_short_hemisp_max
  • down_short_hemisp_min
  • down_short_hemisp_std
  • down_short_hemisp
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sgpsirs20sE24.a0:
  • inst_global
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sgpsirsE24.00:
  • Raw data stream - documentation not supported
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