Data Quality Reports for Session: 142528 User: kcwang Completed: 05/22/2012

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D120420.5SGP/QCRAD/C1 - Sensor Cable Problemsgpqcrad1longC1.c1, sgpqcrad1longC1.c2, sgpqcrad1longC1.s1, sgpqcrad1longC1.s2,
sgpqcradbeflux1longC1.c1, sgpqcradbeflux1longC1.c2, sgpqcradbeflux1longC1.s1,
sgpqcradbeflux1longC1.s2


DQRID : D120420.5
Start DateStart TimeEnd DateEnd Time
10/03/2007140004/22/20082052
Subject:
SGP/QCRAD/C1 - Sensor Cable Problem
DataStreams:sgpqcrad1longC1.c1, sgpqcrad1longC1.c2, sgpqcrad1longC1.s1, sgpqcrad1longC1.s2,
sgpqcradbeflux1longC1.c1, sgpqcradbeflux1longC1.c2, sgpqcradbeflux1longC1.s1,
sgpqcradbeflux1longC1.s2
Description:
Documented in instrument DQR D071022.4.

Beginning October 3, 2007, the upwelling longwave irradiance (up_long_hemisp, aka "UIR")
started to spike to unreasonable values positively offset from the co-located E13 by over
100W/m2.  On January 17 2008 the UIR values become consistently bad due to bad UIR dome
thermistor wiring.  Problem appears as a resistive offset in the dome thermistor but due 
to
nature of failure (unknown cable problem) data correction would not yield any better data 
than
the co-located E13 UIR instrument that is known to be operating correctly.  Instrument 
cable
replacement on 4/22 fixed the problem.

Thermopile data (netIR) from this instrument is good.  However, Incoming irradiance data 
is
not correctable due to bad UIR dome thermistor wiring within the instrument cable.
Measurements:sgpqcradbeflux1longC1.c2:
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
sgpqcradbeflux1longC1.c1:
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
sgpqcradbeflux1longC1.s1:
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
sgpqcradbeflux1longC1.s2:
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
sgpqcrad1longC1.c1:
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
sgpqcrad1longC1.c2:
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
sgpqcrad1longC1.s2:
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)
sgpqcrad1longC1.s1:
  • Radiation, longwave, at 10-m height, upwelling hemispheric irrad., 1-min avg(up_long_hemisp)

Back To Table of Contents


END OF DATA