DQRID : D150616.1
Start DateStart TimeEnd DateEnd Time
02/01/2014000009/15/20140000
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Subject:
TMP/CPC/S1 - Reprocess: Updated Config Files
DataStreams:tmpaoscpcfS1.a1
Description:
The CPC 3772 was operating with a fluctuating reduced flow rate.  A daily configuration 
file was produced by developing a relationship between the ratio of the SMEAR II 3775 and 
the ARM 3772 and the nozzle pressure of the 3772 CPC.  This relationship was only 
evaluated during times when the concentration of particles below 10 nm was 0.  Correcting the 
flow rate will correct the concentration reported by the CPC 3772.
Suggestions: 
B & C level data will have the correction in place.
Measurements:tmpaoscpcfS1.a1:
  • Aerosol concentration averaged over times to match N_CCN(concentration)
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