DQRID : D100726.2
Start DateStart TimeEnd DateEnd Time
06/15/2009000006/15/20092359
07/24/2009000007/27/20092359
07/27/2006000007/29/20062359
11/15/2009000011/16/20092359
12/23/2009000012/25/20092359
10/06/2009000010/09/20092359
11/21/2009000011/21/20092359
04/22/2009000004/24/20092359
11/10/2009000011/10/20092359
01/06/2005000001/07/20052359
05/02/2006000005/04/20062359
02/11/2006000002/18/20062359
08/16/2009000008/16/20092359
05/15/2009000005/15/20092359
08/18/2009000008/18/20092359
02/02/2006000002/04/20062359
12/19/2009000012/21/20092359
12/28/2009000012/30/20092358
07/08/2009000007/08/20092359
12/10/2009000012/14/20092359
06/09/2009000006/11/20092359
10/12/2009000010/15/20092359
08/04/2009000008/04/20092359
07/21/2009000007/22/20092359
10/26/2009000010/26/20092359
12/05/2009000012/08/20092359
01/29/2006000001/29/20062359
05/31/2006000005/31/20062359
02/06/2006000002/06/20062359
04/01/2009000004/01/20092359
07/16/2009000007/19/20092359
04/06/2006000004/07/20062359
02/20/2006000002/20/20062359
11/13/2009000011/13/20092359
04/29/2009000004/30/20092359
02/22/2006000002/22/20062359
03/08/2006000003/10/20062359
09/10/2006000009/10/20062359
01/27/2006000001/27/20062359
11/24/2009000011/25/20092359
06/03/2006000006/03/20062359
09/12/2009000009/18/20092359
12/24/2006000012/24/20062359
08/10/2009000008/14/20092359
10/23/2009000010/23/20092359
04/23/2006000004/23/20062359
11/14/2006000011/15/20062359
08/31/2009000009/02/20092359
08/28/2006000008/28/20062359
11/24/2006000011/28/20062359
12/29/2006000012/30/20062359
04/16/2009000004/16/20092359
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Subject:
SGP/RL/C1 - Calibration problems in ASR
DataStreams:sgp10rlprofasr1ferrC1.c1, sgp10rlprofext1ferrC1.c1
Description:
During these times, identified through visual inspection of the time-height plots, the VAP 
produced non-physical artifacts due to incorrectly derived calibrations.
Suggestions: 
Measurements:sgp10rlprofext1ferrC1.c1:
  • Maximum altitude used in the calculation of the aerosol optical depth from the
    extinction_1 profile(aod_1_max_ht)
  • Uncertainty of the aerosol extinction coefficient profile calculated from the
    aerosol backscatter coefficient(extinction_from_backscatter_error)
  • Error in the aerosol optical depth calculated from the extinction_married1
    profile(aod_married1_error)
  • Aerosol optical depth from the surface computed from the
    extinction_from_backscatter profiles(aod_bscat_profile)
  • Uncertainty of the aerosol extinction coefficient profile from the high N2
    channel(extinction_high_error)
  • Aerosol extinction coefficient profile from the high N2 channel data(extinction_high)
  • Aerosol extinction coefficient profile calculated from backscatter and the
    extinction-to-backscatter ratio(extinction_from_backscatter)
  • Maximum altitude used in the calculation of the aerosol optical depth from the
    extinction_married1 profile(aod_married1_max_ht)
  • Aerosol extinction coefficient profile created by marrying the merged extinction
    from N2 data with the extinction from backscatter data(extinction_married1)
  • Error in the aerosol optical depth calculated from the extinction_1 profile(aod_1_error)
  • Uncertainty of the aerosol extinction coefficient profile from the low N2
    channel(extinction_low_error)
  • Aerosol optical depth from the surface computed from the extinction_1 profiles(aod_1_profile)
  • Error in the aerosol optical depth calculated from the
    extinction_from_backscatter profile(aod_bscat_error)
  • Aerosol volume backscattering coefficient at 355 nm(backscatter)
  • Vertical resolution of the low aerosol extinction coefficient profile data(extinction_low_resolution)
  • Aerosol backscatter coefficient at 355 nm - smoothed to N2 extinction resolution(smoothed_backscatter)
  • Ratio of aerosol extinction to aerosol backscatter(Sa_1)
  • Aerosol extinction coefficient profile created by merging the two N2 channels
    extinction profiles(extinction_1)
  • Mask indicating from where the extinction value came from in the aerosol
    extinction coefficient profile created by marrying the merged extinction from N2
    data w(extinction_married1_mask)
  • Maximum altitude used in the calculation of the aerosol optical depth from the
    extinction_from_backscatter profile(aod_bscat_max_ht)
  • Aerosol optical depth from the surface computed from the married1 extinction
    profiles(aod_married1_profile)
  • Ratio of aerosol extinction to aerosol backscatter(Sa_2)
  • Aerosol optical depth calculated from the extinction_1 profile(aod_1)
  • Aerosol extinction coefficient profile from the low N2 channel data(extinction_low)
  • Uncertainty of the married aerosol extinction coefficient profile(extinction_married1_error)
  • Aerosol optical depth calculated from the extinction_from_backscatter profile(aod_bscat)
  • Uncertainty in the aerosol backscatter coefficient at 355 nm(backscatter_error)
  • Uncertainty of the aerosol extinction coefficient profile from the overlap
    corrected high N2 channel(extinction_high_olap_corrected_error)
  • Uncertainty in the aerosol backscatter coefficient at 355 nm - smoothed to N2
    extinction resolution(smoothed_backscatter_error)
  • Aerosol extinction coefficient profile from the high N2 channel data, where the
    low N2 channel was used to correct for the overlap of the high channel(extinction_high_olap_corrected)
  • Uncertainty of the aerosol extinction coefficient profile created by merging the
    two N2 channels extinction profiles(extinction_1_error)
  • Vertical resolution of the high aerosol extinction coefficient profile data(extinction_high_resolution)
  • Vertical resolution of the merged aerosol extinction coefficient profile data(extinction_1_resolution)
  • Aerosol optical depth calculated from the extinction_married1 profile(aod_married1)
more
sgp10rlprofasr1ferrC1.c1:
  • Aerosol backscatter coefficient uncertainty(bscat_err)
  • Aerosol volume backscattering coefficient at 355 nm(backscatter)
  • Uncertainty of the aerosol scattering ratio profile created by merging the two
    channels(asr_1_error)
  • Cloud mask(cloud_mask)
  • Uncertainty of the aerosol scattering ratio profile created by merging the two
    Calibrated channels(cal_asr_1_error)
  • Aerosol scattering ratio profile from the high channel(asr_high)
  • Aerosol scattering ratio profile created by merging the two Calibrated channels(cal_asr_1)
  • Uncertainty of the Calibrated aerosol scattering ratio profile from the low
    channel(cal_asr_error_low)
  • Corrected Aerosol volume backscattering coefficient at 355 nm - removed negative
    vals(corr_bscat)
  • Aerosol scattering ratio profile from the low channel(asr_low)
  • Aerosol scattering ratio profile created by merging the two channels(asr_1)
  • Calibrated Aerosol scattering ratio profile from the high channel(cal_asr_high)
  • Uncertainty of the aerosol scattering ratio profile from the high channel(asr_error_high)
  • Calibration factor applied to the low aerosol scattering ratio at each time
    sample(cal_factor_lo)
  • Uncertainty of the Calibrated aerosol scattering ratio profile from the high
    channel(cal_asr_error_high)
  • Calibration factor applied to the high aerosol scattering ratio at each time
    sample(cal_factor_hi)
  • Uncertainty of the aerosol scattering ratio profile from the low channel(asr_error_low)
  • Calibrated Aerosol scattering ratio profile from the low channel(cal_asr_low)
more

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