Data Quality Reports for Session: 103190 User: sbenson Completed: 12/12/2006

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D060522.1TWP/SMET/C1 - Upper wind speed sensor failuretwpsmet60sC1.b1
D060817.3TWP/SMET/C1 - Reprocess: Barometric Data Changed from hPa to kPatwpsmet60sC1.b1
D061011.2TWP/SMET/C1 - Reprocess: Tipping bucket rain gauge addedtwpsmet60sC1.b1


DQRID : D060522.1
Start DateStart TimeEnd DateEnd Time
05/09/2006000010/14/20060237
Subject:
TWP/SMET/C1 - Upper wind speed sensor failure
DataStreams:twpsmet60sC1.b1
Description:
The upper wind speed sensor was binding at low wind speeds.  Comparison to the lower wind 
sensor showed that the upper sensor flat-lines for long periods of time.  The upper 
anemometer was replaced.
Measurements:twpsmet60sC1.b1:
  • Wind #1 speed standard deviation(wind1_spd_sd)
  • Wind #1 speed maximum gust(wind1_spd_max_gust)
  • Wind #1 direction standard deviation(wind1_dir_sd)
  • Wind #1 speed arithmetic average(wind1_spd_arith_avg)
  • Wind #1 speed maximum(wind1_spd_max)
  • Wind #1 direction vector average(wind1_dir_vec_avg)
  • Wind #1 speed vector average(wind1_spd_vec_avg)
  • Wind #1 speed minimum(wind1_spd_min)

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DQRID : D060817.3
Start DateStart TimeEnd DateEnd Time
10/09/1996000007/13/20062225
Subject:
TWP/SMET/C1 - Reprocess: Barometric Data Changed from hPa to kPa
DataStreams:twpsmet60sC1.b1
Description:
Barometric pressure data was converted from hPa to kPa in order to standardize the 
measurement units among ARM sites and to conform to accepted standard units determined by the 
scientific community.
Measurements:twpsmet60sC1.b1:
  • Atmospheric pressure(atmos_pressure)

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DQRID : D061011.2
Start DateStart TimeEnd DateEnd Time
10/09/1996000009/26/20061438
Subject:
TWP/SMET/C1 - Reprocess: Tipping bucket rain gauge added
DataStreams:twpsmet60sC1.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:twpsmet60sC1.b1:
  • Time offset from base_time(base_time)

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