Data Quality Reports for Session: 130830 User: wlj Completed: 10/12/2010


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D101004.1SGP/EBBR/E12 - Net radiation too highsgp5ebbrE12.b1, sgp15ebbrE12.b1, sgp30ebbrE12.b1
D101004.2SGP/EBBR/E13 - Net Radiation Too Largesgp5ebbrE13.b1, sgp15ebbrE13.b1, sgp30ebbrE13.b1
D101007.1SGP/EBBR/E15 - Sensible and Latent Heat Flux Suspect - Soil Heat Flow 5 Problemsgp15ebbrE15.b1, sgp30ebbrE15.b1
D101007.3SGP/EBBR/E7 - Sensible and latent heat fluxes incorrect - soil heat flow 1 problemsgp15ebbrE7.b1, sgp30ebbrE7.b1


DQRID : D101004.1
Start DateStart TimeEnd DateEnd Time
09/01/2010120009/29/20101600
Subject:
SGP/EBBR/E12 - Net radiation too high
DataStreams:sgp5ebbrE12.b1, sgp15ebbrE12.b1, sgp30ebbrE12.b1
Description:
Net radiation was too high, resulting in overestimated sensible and latent heat fluxes. 

Net rad domes replaced.
Measurements:sgp30ebbrE12.b1:
  • Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
  • Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
  • Radiation, net(net_radiation)

sgp15ebbrE12.b1:
  • net_radiation_mv

sgp5ebbrE12.b1:
  • Radiation, net(net_radiation)


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DQRID : D101004.2
Start DateStart TimeEnd DateEnd Time
07/21/2010133010/01/20102000
Subject:
SGP/EBBR/E13 - Net Radiation Too Large
DataStreams:sgp5ebbrE13.b1, sgp15ebbrE13.b1, sgp30ebbrE13.b1
Description:
The EBBR Net Radiation (Rn) values maintained a ~200 Wm^-2 reading because of poor cable 
lead connections.  Sensible and latent heat fluxes were therefore overestimated.

Sensible (H) and latent heat (LE) fluxes can be estimated in the following way:

H (new) = H/[1 + (EBBR Rn - SIRS net radiation)/SIRS net radiation]

LE (new) = LE/[1 + (EBBR Rn - SIRS net radiation)/SIRS net radiation]
Measurements:sgp15ebbrE13.b1:
  • net_radiation_mv

sgp5ebbrE13.b1:
  • Radiation, net(net_radiation)

sgp30ebbrE13.b1:
  • Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
  • Radiation, net(net_radiation)
  • Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)


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DQRID : D101007.1
Start DateStart TimeEnd DateEnd Time
08/24/2010163010/05/20101600
Subject:
SGP/EBBR/E15 - Sensible and Latent Heat Flux Suspect - Soil Heat Flow 5 Problem
DataStreams:sgp15ebbrE15.b1, sgp30ebbrE15.b1
Description:
Soil Heat Flow sensor 5 was offscale at times, causing sensible and latent heat fluxes to 
be incorrect during those times.
Measurements:sgp30ebbrE15.b1:
  • surface_soil_heat_flux_5
  • Average soil heat flow at the surface(surface_soil_heat_flux_avg)
  • corr_soil_heat_flow_5
  • Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
  • Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)
  • soil_heat_flow_5

sgp15ebbrE15.b1:
  • soil_heat_flow_5_mv


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DQRID : D101007.3
Start DateStart TimeEnd DateEnd Time
08/09/2010183010/06/20101830
Subject:
SGP/EBBR/E7 - Sensible and latent heat fluxes incorrect - soil heat flow 1 problem
DataStreams:sgp15ebbrE7.b1, sgp30ebbrE7.b1
Description:
Soil Heat Flow 1 was offscale at times, affecting sensible and latent heat fluxes during 
those times.
Measurements:sgp15ebbrE7.b1:
  • soil_heat_flow_1_mv

sgp30ebbrE7.b1:
  • Average soil heat flow at the surface(surface_soil_heat_flux_avg)
  • corr_soil_heat_flow_1
  • soil_heat_flow_1
  • surface_soil_heat_flux_1
  • Heat flux, latent, at 1.5-m height, 30-min intervals(latent_heat_flux)
  • Heat flux, sensible, at 1.5-m height, 30-min intervals(sensible_heat_flux)


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