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ADAlgorithm Document PSDProduct Specification Document AvData Availability CProduct Content
NO2 vertical column ESA
Aug 2002 to April 2012 *)  v3.01
IFE/IUP Bremen
Aug 2002 to April 2012 *)    p. valid.
Jan 2003 to April 2012   validated
NO2 slant column BIRA-IASB
Jan 2003 to April 2012 *)    validated
Jan 2003 to April 2012      
NO2 tropospheric column IFE/IUP Bremen
Aug 2002 to end *)    validated
Jan 2003 to end   validated
Jan 2003 to end    
MPI Mainz/IUP Heidelberg
2003 to 2011     demonst.
NO2 profile IFE/IUP Bremen
Sep 2002 to April 2012 *)   
Aug 2002 to April 2012 *)    v3.01
MPI Mainz/IUP Heidelberg
Sep 2002 to April 2012 *)     
Environment Canada
on request   p. valid.
*): some restrictions on data use, see product details (click on institute)
NO2 profile by ESA (last update: 16 May 2011)
validation summary SCIAMACHY OL v3.01 NO2 profile concentrations between 20 and 40km are in good agreement with those derived from HALOE measurements in combination with a photochemical model to account for diurnal changes. On average, the values are within 10-18% with larger uncertainties in the lower stratosphere (based on 2002-2003 data).
available data Data from August 2002 to April 2012 processed with OL v5.02 can be ordered via the ESA EO Principal Investigator Portal. Currently data are being reprocessed with the updated OL 5.01.
point of contact ESA EO helpdesk
algorithm description The Algorithm Theoretical Baseline Document for OL Version 5 can be found here
product details The product format is described in the Envisat Products Specification Document. Lists of known issues are described in the OL product disclaimer and the NRT product disclaimer

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