Data Quality Reports for Session: 153322 User: dodsonj1 Completed: 10/07/2013


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D120417.10SGP/QCRAD/E2 - Tracker inoperativesgpqcrad1longE2.c1, sgpqcrad1longE2.c2, sgpqcrad1longE2.s1, sgpqcrad1longE2.s2
D120417.11SGP/QCRAD/E2 - Possible calibration errorsgpqcrad1longE2.c1, sgpqcrad1longE2.c2, sgpqcrad1longE2.s1, sgpqcrad1longE2.s2
D120510.12SGP/QCRAD/E2 - Tc/Td values lowsgpqcrad1longE2.c1, sgpqcrad1longE2.c2, sgpqcrad1longE2.s1, sgpqcrad1longE2.s2
D120510.13SGP/QCRAD/E2 - Tc/Td values are zerosgpqcrad1longE2.c1, sgpqcrad1longE2.c2, sgpqcrad1longE2.s1, sgpqcrad1longE2.s2
D120510.14SGP/QCRAD/E2 - Intermittent Tc/Td strange valuessgpqcrad1longE2.c1, sgpqcrad1longE2.c2, sgpqcrad1longE2.s1, sgpqcrad1longE2.s2


DQRID : D120417.10
Start DateStart TimeEnd DateEnd Time
02/20/1997000003/06/19971500
Subject:
SGP/QCRAD/E2 - Tracker inoperative
DataStreams:sgpqcrad1longE2.c1, sgpqcrad1longE2.c2, sgpqcrad1longE2.s1, sgpqcrad1longE2.s2
Description:
Solar tracker inoperative. Described in instrument DQR D970310.1.

From about 97/02/20 to 97/03/06 (1500 GMT) the solar tracker was inoperative
at site E2.  We cannot pin down the exact starting time of this failure
because of cloudy conditions around 97/02/20.  The failure becomes obvious
during clear skis at which time the NIP reads zero (i.e., it isn't pointed
at the sun) and the downward diffuse radiation is too large (because the
diffuse pyranometer is not being shaded).  97/03/03 was a particularly 
clear day and the diffuse pyranometer reads almost the same as the total
downward pyranometer.  The fact that they don't read exactly the same - the
discrepency is about 75 W/m^2 at solar noon - is indicative of a large sensor
calibration problem.  This large calibration error is NOT typical of ARM 
data, rather it is peculiar to this site.
Measurements:sgpqcrad1longE2.s1:
  • Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)
  • Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)

sgpqcrad1longE2.s2:
  • Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
  • Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)

sgpqcrad1longE2.c1:
  • Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
  • Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)

sgpqcrad1longE2.c2:
  • Radiation, shortwave, direct normal irradiance, 1-min avg(short_direct_normal)
  • Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)


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DQRID : D120417.11
Start DateStart TimeEnd DateEnd Time
08/01/1996000003/10/19970000
Subject:
SGP/QCRAD/E2 - Possible calibration error
DataStreams:sgpqcrad1longE2.c1, sgpqcrad1longE2.c2, sgpqcrad1longE2.s1, sgpqcrad1longE2.s2
Description:
Either the downwelling shortwave or the shortwave diffuse radiometer appears to have a 
large calibration error. This also impacts the best estimate data. It is not clear when this 
problem started or was fixed, so the dates in this DQR may not fully describe the problem.

Described in instrument DQR D970310.1.

97/03/03 was a particularly  clear day and the diffuse pyranometer reads almost the same 
as the total downward pyranometer.  The fact that they don't read exactly the same - the 
discrepency is about 75 W/m^2 at solar noon - is indicative of a large sensor calibration 
problem.  This large calibration error is NOT typical of ARM data, rather it is peculiar 
to this site.
Measurements:sgpqcrad1longE2.s1:
  • Best Estimate Global Downwelling Shortwave Hemispheric Irradiance(BestEstimate_down_short_hemisp)
  • Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)

sgpqcrad1longE2.s2:
  • Best Estimate Global Downwelling Shortwave Hemispheric Irradiance(BestEstimate_down_short_hemisp)
  • Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)

sgpqcrad1longE2.c1:
  • Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)
  • Radiation, shortwave, downwelling total hemispheric irradiance, 1-min avg(down_short_hemisp)
  • Best Estimate Global Downwelling Shortwave Hemispheric Irradiance(BestEstimate_down_short_hemisp)

sgpqcrad1longE2.c2:
  • Best Estimate Global Downwelling Shortwave Hemispheric Irradiance(BestEstimate_down_short_hemisp)
  • Radiation, shortwave, downwelling total hemispheric irradiance, 1-min avg(down_short_hemisp)
  • Radiation, shortwave, downwelling diffuse hemispheric irradiance, 1-min avg(down_short_diffuse_hemisp)


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DQRID : D120510.12
Start DateStart TimeEnd DateEnd Time
08/22/1996130009/06/19961500
Subject:
SGP/QCRAD/E2  - Tc/Td values low
DataStreams:sgpqcrad1longE2.c1, sgpqcrad1longE2.c2, sgpqcrad1longE2.s1, sgpqcrad1longE2.s2
Description:
Case and dome temperatures for longwave fluxes appear to be low during this period, and 
long wave fluxes also appear to be incorrect.

No instrument DQRs exist documenting this problem.
Measurements:sgpqcrad1longE2.s1:
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
  • LWupTc
  • LWupTd
  • LWdnTc
  • LWdnTd

sgpqcrad1longE2.s2:
  • LWupTc
  • LWupTd
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • LWdnTc
  • LWdnTd
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)

sgpqcrad1longE2.c1:
  • LWdnTd
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
  • LWdnTc
  • LWupTd
  • LWupTc

sgpqcrad1longE2.c2:
  • LWupTd
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • LWupTc
  • LWdnTc
  • LWdnTd
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)


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DQRID : D120510.13
Start DateStart TimeEnd DateEnd Time
07/04/1997190008/07/19971800
Subject:
SGP/QCRAD/E2  - Tc/Td values are zero
DataStreams:sgpqcrad1longE2.c1, sgpqcrad1longE2.c2, sgpqcrad1longE2.s1, sgpqcrad1longE2.s2
Description:
Case and dome temperatures for Longwave fluxes are zero during this period meaning not all 
checks can be performed on the longwave fluxes.

No instrument DQRs exist documenting this problem.
Measurements:sgpqcrad1longE2.s1:
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
  • LWupTc
  • LWupTd
  • LWdnTc
  • LWdnTd

sgpqcrad1longE2.s2:
  • LWupTc
  • LWupTd
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • LWdnTc
  • LWdnTd
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)

sgpqcrad1longE2.c1:
  • LWdnTd
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
  • LWdnTc
  • LWupTd
  • LWupTc

sgpqcrad1longE2.c2:
  • LWupTd
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • LWupTc
  • LWdnTc
  • LWdnTd
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)


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DQRID : D120510.14
Start DateStart TimeEnd DateEnd Time
08/19/2001000009/27/20011500
Subject:
SGP/QCRAD/E2  - Intermittent Tc/Td strange values
DataStreams:sgpqcrad1longE2.c1, sgpqcrad1longE2.c2, sgpqcrad1longE2.s1, sgpqcrad1longE2.s2
Description:
Case and dome temperatures for longwave fluxes appear strangely high during this period 
corresponding to possibly incorrect values in the longwave fluxes.

No instrument DQRs exist documenting this problem.
Measurements:sgpqcrad1longE2.s1:
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
  • LWupTc
  • LWupTd
  • LWdnTc
  • LWdnTd

sgpqcrad1longE2.s2:
  • LWupTc
  • LWupTd
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • LWdnTc
  • LWdnTd
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)

sgpqcrad1longE2.c1:
  • LWdnTd
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
  • LWdnTc
  • LWupTd
  • LWupTc

sgpqcrad1longE2.c2:
  • LWupTd
  • Irradiance, longwave, downwelling, hemispheric(down_long_hemisp)
  • LWupTc
  • LWdnTc
  • LWdnTd
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)


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