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CO2 vertical column IFE/IUP Bremen
Jan 2003 to Dec 2005 *)  p. valid.
*): some restrictions on data use, see product details (click on institute)
CO2 vertical column by IFE/IUP Bremen (last update: 16 Apr 2010)
validation summary Comparisons of SCIAMACHY WFM-DOAS XCO2 V1.0 (analysed data: 2003-2005) with Fourier-Transform-InfraRed (FTIR) (1 European and 1 American station, 2004-2005) and NOAS's CarbonTracker (global, 2003-2005) (both see: Schneising et al., Atmos. Chem. Phys. Discuss., 2008).
Based on an error analysis and on comparisons with reference data it is concluded that the XCO2 data set can be characterized by a single measurement retrieval precision (random error) of 1-2%, a systematic low bias of about 1.5%, and by a relative accuracy of about 1-2% for monthly averages at a spatial resolution of about 7°x7° (Schneising et al., 2008).
available data All data from 2003-2005 have been processed with WFM-DOAS version 1.0. For details on data access and conditions for use, see the WFM DOAS website.
point of contact Michael Buchwitz
algorithm description The WFM DOAS algorithm is described in the Algorithm Description and Product Specification Document and on the WFM DOAS website.
product details The format is simple ASCII. Details on product format and current software version (1.0) can be found on the WFM DOAS website and in the Algorithm Description and Product Specification Document.
validation results The WFM DOAS website also lists validation results.


SCIAMACHY CO2 vertical column (IFE) validation literature:
  • Comparisons between SCIAMACHY atmospheric CO2 retrieved using (FSI) WFM-DOAS to ground based FTIR data and the TM3 chemistry transport model
    Barkley, M.P., P.S. Monks, U. Frieß, R.L. Mittermeier, H. Fast, S. Körner and M. Heimann
    Abstract/Article: Atmospheric Chemistry and Physics 6, 4483–4498, 2006
    Product: CO2 columns
    Institute: "EOS, Space Research Centre, Department of Physics and Astronomy, University of Leicester, Leicester, UK Department of Chemistry, University of Leicester, Leicester, UK Meteorological Service of Canada (MSC), Downsview, Ontario, Canada Max Planck Ins
    Method: Ground based Fourier Transform Infrared (FTIR) data (Egbert, Canada) and TM3 global chemistry-transport model (Siberia, Canada/Alaska, Gobi dessert, Western Europe)
  • Atmospheric carbon gases retrieved from SCIAMACHY by WFM-DOAS: version 0.5 CO and CH4 and impact of calibration improvements on CO2 retrieval
    Buchwitz, M., R. de Beek, S. Noël, J.P. Burrows, H. Bovensmann, O. Schneising, I. Khlystova, M. Bruns, H. Bremer, P. Bergamaschi, S. Körner and M. Heimann
    Abstract/Article: Atmospheric Chemistry and Physics 6, 2727–2751, 2006
    Product: CO vertical columns and CO2, CH4 dry-air column averaged mixing ratios
    Institute: IUP/IFE
    Method: "MOPITT satellite data (CO) and TM5 model simulations - world (CH4) and FTIR measurements at Park Falls, Wisconsin, USA (CO2)"
  • Comparisons between SCIAMACHY and ground-based FTIR data for total columns of CO, CH4, CO2 and N2O
    Dils, B., M. De Mazière, J.F. Müller, T. Blumenstock, M. Buchwitz, R. de Beek, P. Demoulin, P. Duchatelet, H. Fast, C. Frankenberg, A. Gloudemans, D. Griffith, N. Jones, T. Kerzenmacher, I. Kramer, E. Mahieu, J. Mellqvist, R.L. Mittermeier, J. Notholt, C.P. Rinsland, H. Schrijver, D. Smale, A. Strandberg, A.G. Straume, W. Stremme, K. Strong, R. Sussmann, J. Taylor, M. van den Broek, V. Velazco, T.Wagner, T.Warneke, A. Wiacek and S. Wood
    Abstract/Article: Atmospheric Chemistry and Physics 6, 1953–1976, 2006
    Product: CO, CH4, CO2 and N2O total columns
    Institute: IUP/IFE-Bremen, IUP-Heidelberg, SRON
    Method: 11 ground-based FTIR data (quasi-global network)
  • Comparison of SCIAMACHY and AIRS CO2 measurements over North America during the summer and autumn of 2003
    Barkley, M.P., P.S. Monks and R.J. Engelen
    Abstract/Article: Geophys. Res. Lett., 33, L20805, doi:10.1029/2006GL026807, 2006
    Product: CO2 volume mixing ratios
    Institute: "Department of Physics and Astronomy, University of Leicester, UK. Department of Chemistry, University of Leicester, UK. European Centre for Medium-Range Weather Forecasts, Reading, UK"
    Method: AQUA-AIRS (North America)
  • Space-based near-infrared CO2 measurements: Testing the Orbiting Carbon Observatory retrieval algorithm and validation concept using SCIAMACHY observations over Park Falls, Wisconsina
    Bösch, H., G.C. Toon, B. Sen, R.A. Washenfelder, P.O. Wennberg, M. Buchwitz, R. de Beek, J.P. Burrows, D. Crisp, M. Christi, B.J. Connor, V. Natraj and Y.L. Yung
    Abstract/Article: J. Geophys. Res., 111, D23302, doi:10.1029/2006JD007080, 2006
    Product: CO2 column-average dry air mole fraction of CO2
    Institute: "Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA. Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California, USA"
    Method: Ground-based Fourier transform spectrometer (FTS) measurements at Park Falls,Wisconsin.
  • Measuring Atmospheric CO2 from Space Using Full Spectral Initiation (FSI) WFM-DOAS: Initial Results and Validation
    Barkley, M.P., P.S. Monks, U. Frieß, R.L. Mittermeier, H. Fast, S. Körner and M. Heimann
    Abstract/Article: Proc. of the First ‘Atmospheric Science Conference’, ESRIN, Frascati, Italy, 8 – 12 May 2006 (ESA SP-628, July 2006)
    Product: CO2 vertical column
    Institute: "EOS, Space Research Centre, University of Leicester, UK Department of Chemistry, University of Leicester, UK Meteorological Service of Canada (MSC), Max Planck Institute for Biogeochemistry (MPI-BGC), Jena, Germanyt"
    Method: Ground based FTIR data (at Egbert FTIR station) and TM3 in Siberia and the Gobi desert
  • First direct observation of the atmospheric CO2 year-to-year increase from space
    Buchwitz, M., O. Schneising, J.P. Burrows, H. Bovensmann, M. Reuter and J. Notholt
    Abstract/Article: Atmospheric Chemistry and Physics 7, 4249-4256, 2007
    Product: CO2 vertical column
    Institute: IUP/IFE, University of Bremen
    Method: Satellite retrievals compared with global XCO2 obtained from NOAA's CO2 assimilation system CarbonTracker
  • Three years of greenhouse gas column-averaged dry air mole fractions retrieved from satellite - Part 1: Carbon dioxide
    Schneising, O., M. Buchwitz, J.P. Burrows, H. Bovensmann, M. Reuter, J. Notholt, R. Macatangay and T. Warneke
    Abstract/Article: Atmospheric Chemistry and Physics 8, 3827-3853, 2008
    Product: CO2 vertical column
    Institute: IUP/IFE, University of Bremen
    Method: Comparisons with Fourier Transform Spec-troscopy (FTS) CO2 measurements and with global CO2 fields obtained from NOAA's CO2 CarbonTracker
  • SCIAMACHY WFM-DOAS XCO2: reduction of scattering related errors
    Heymann, J., H. Bovensmann, M. Buchwitz, J.P. Burrows, N.M. Deutscher, J. Notholt, M. Rettinger, M. Reuter, O. Schneising, R. Sussmann and T. Warneke
    Abstract/Article: Atmospheric Measurement Techniques 5, 2375-2390
    Product: CO2 vertical column
    Institute: IUP/IFE, University of Bremen
    Method: Comparison with TCCON
  • Atmospheric greenhouse gases retrieved from SCIAMACHY: comparison to ground-based FTS measurements and model results
    Schneising, O., P. Bergamaschi, H. Bovensmann, M. Buchwitz, J.P. Burrows, N.M. Deutscher, D.W.T. Griffith, J. Heymann, R. Macatangay, J. Messerschmidt, J. Notholt, M. Rettinger, S. Reuter, R. Sussmann, V.A. Velazco, T. Warneke, P.O. Wennberg and D. Wunch
    Abstract/Article: Atmospheric Chemistry and Physics 12, 1527-1540, 2012
    Product: CO2 and CH4 vertical columns
    Institute: IUP/IFE University of Bremen
    Method: Comparison with FTS and TM5 model
  • Retrieval of atmospheric CO2 with enhanced accuracy and precision from SCIAMACHY: Validation with FTS measurements and comparison with model results
    Reuter, M., H. Bovensmann, M. Buchwitz, J.P. Burrows, B.J. Connor, N.M. Deutscher, D.W.T. Griffith, J. Heymann, G. Keppel-Aleks, J. Messerschmidt, J. Notholt, C. Petri, J. Robinson, O. Schneising, V. Sherlock, V. Velazco, T. Warneke, P.O. Wennberg and D. Wunch
    Abstract/Article: J. Geophys. Res., 116, D04301, doi:10.1029/2010JD015047, 2011
    Product: column-average dry-air mole fraction of atmospheric CO2)
    Institute: IUP/IFE University of Bremen
    Method: Comparison with FTS (TCCON) and model (CarbonTracker)

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