Data Quality Reports for Session: 183986 User: petersonp1 Completed: 03/02/2017


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected Data Quality Metric
D140923.2NSA/SURFSPECALB/C1 - Reprocessed and Corrected: Value Added Product errornsasurfspecalb1mlawerC1.s1Does not affect quality


DQRID : D140923.2
Start DateStart TimeEnd DateEnd Time Data Quality Metric
04/07/1998000006/10/20162359Does not affect quality
Subject:
NSA/SURFSPECALB/C1 -  Reprocessed and Corrected: Value Added Product error
DataStreams:nsasurfspecalb1mlawerC1.s1
Description:
DATA REPROCESSED and CORRECTED: 
These data were reprocessed to fix the minor problem caused by the configuration.

The configuration files needed to perform the transformations correctly were not released 
with the updated software. As a result the data is not as accurate as it could be because 
the alignment of the averaged data was assumed to be center of the averaging bin, but 
some instances exist where the averaging alignment was not at the center of the bin. This 
data product averages the input over a five minute period and then an additional 
transformation is applied to a longer time interval later in the process. The impact on this data 
is minor and expected to be under the uncertainty associated with the methods applied. 
This processing difference should not affect the use of the data.

The data were archived in August 2016. Please retrieve the reprocessed data for use in 
your analysis.

You may find these data using the ARM Discovery tool at the following link:

http://www.archive.arm.gov/discovery/#v/results/s/finst::surfspecalb/fsite::nsa/ffac::nsa.C1 


ORIGINAL DQR CATEGORY: Transparent (Does not affect quality)

REPROCESSED and CORRECTED DATA ARCHIVED:2016-08

REPROCESS IDENTIFICATION NUMBER: RID 1234

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--- ORIGINAL DQR DESCRIPTION ---
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The configuration files needed to perform the transformations correctly were not released 
with the updated software. As a result the data is not as accurate as it could be because 
the alignment of the averaged data was assumed to be center of the averaging bin, but 
some instances exist where the averaging alignment was not at the center of the bin.  This 
data product averages the input over a five minute period and then an additional 
transformation is applied to a longer time interval later in the process. The impact on this data 
is minor and expected to be under the uncertainty associated with the methods applied.  
This processing difference should not affect the use of the data.
Measurements:nsasurfspecalb1mlawerC1.s1:
  • Derived surface type under the 25 tower(surface_type_25m_tower)
  • down_short_hemisp_beflux1longC1
  • Broadband albedo at 10m tower estimated from integrating spectral albedos
    weighted by surface flux calculated from CHARTS(broadband_from_spectral_albedo_10m)
  • short_direct_normal_beflux1longC1
  • be_hemisp_broadband_status_mfrsr
  • Spectral albedo estimated from mfr albedos using surface type and Mlawer
    algorithm at 25m tower(estimated_spectral_albedo_25m)
  • up_short_hemisp_beflux1longC1
  • Broadband albedo at 25m tower estimated from integrating spectral albedos
    weighted by surface flux calculated from CHARTS(broadband_from_spectral_albedo_25m)
  • up_short_hemisp_irt25mC1
  • Spectral albedo estimated from mfr albedos using surface type and Mlawer
    algorithm at 10m tower(estimated_spectral_albedo_10m)
  • Derived surface type under the 10 tower(surface_type_10m_tower)


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