Data Quality Reports for Session: 104782 User: hfakos Completed: 03/14/2007


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060426.8TWP/SMET/C3 - ORG data noisy due to degraded groundtwpsmet60sC3.b1
D061011.4TWP/SMET/C3 - Reprocess: Tipping bucket rain gauge addedtwpsmet60sC3.b1


DQRID : D060426.8
Start DateStart TimeEnd DateEnd Time
12/01/2005000008/24/20062359
Subject:
TWP/SMET/C3 - ORG data noisy due to degraded ground
DataStreams:twpsmet60sC3.b1
Description:
SMET Rain Data began to be noisy during December 2005 and the problem slowly became worse 
over time so that in February 2006 the ORG was reporting with a constant background value 
of around 0.10 mm/hr rain rate.  ORG voltage showed a near constant value above the 85mV 
threshold.  The ground for the ORG had become degraded and was lost due to corrosion.
Measurements:twpsmet60sC3.b1:
  • Precipitation mean(precip_mean)
  • Precipitation maximum(precip_max)
  • Precipitation standard deviation(precip_sd)
  • precipitation minimum(precip_min)


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DQRID : D061011.4
Start DateStart TimeEnd DateEnd Time
03/12/2002000009/26/20061435
Subject:
TWP/SMET/C3 - Reprocess: Tipping bucket rain gauge added
DataStreams:twpsmet60sC3.b1
Description:
A tipping bucket rain gauge was added to the SMET suite of instruments effective 20060926. 
 Two new variables (count and rain amount) were added at the end of the twpsmet60sC1.b1 
datastream.  When reprocessing of this datastream occurs these variables will be added 
with -9999 (missing) as the value for dates prior to gauge installation.
Measurements:twpsmet60sC3.b1:
  • Time offset from base_time(base_time)


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