Data Quality Reports for Session: 149065 User: xiexin Completed: 03/26/2013

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D130118.1TWP/MICROBASE/C3 - Incorrect detection of precipitationtwpmicrobasepi2C3.c1


DQRID : D130118.1
Start DateStart TimeEnd DateEnd Time
11/04/2005000003/31/20062359
Subject:
TWP/MICROBASE/C3  - Incorrect detection of precipitation
DataStreams:twpmicrobasepi2C3.c1
Description:
Microbase uses the CloudBasePrecipitation field from twparscl1clothC3.c1 to determine the 
occurrence of precipitation.  As noted in DQR D061220.35 for twparscl1clothC3.c1, the 
CloudBasePrecipitation is incorrect over this period due to a processing issue.  As a 
result, the values in the Microbase aqc_precip field are incorrect.  In addition, values of 
"14" to indicate precipitation in the Microbase aqc_liquid_water_content and 
aqc_liq_effective_radius fields are incorrect and should be ignored.  Because we don't know when 
precipitation occurred, values of liquid_water_content and liq_effective_radius are suspect over 
this period.
Measurements:twpmicrobasepi2C3.c1:
  • Liquid Effective Radius(liq_effective_radius)
  • Retrieved Liquid Water Content(liquid_water_content)

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