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Jörg Trentmann, Uwe Pfeifroth, Jennifer Lenhardt, Richard Müller Deutscher Wetterdienst (DWD)

Satellite-based Data Sets for EURO4M. Jörg Trentmann, Uwe Pfeifroth, Jennifer Lenhardt, Richard Müller Deutscher Wetterdienst (DWD). Satellite-based data sets to be generated and delivered within EURO4M. Surface Solar Radiation Cloud Fraction Surface Albedo Precipitation

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Jörg Trentmann, Uwe Pfeifroth, Jennifer Lenhardt, Richard Müller Deutscher Wetterdienst (DWD)

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  1. Satellite-based Data Sets for EURO4M Jörg Trentmann, Uwe Pfeifroth, Jennifer Lenhardt, Richard Müller Deutscher Wetterdienst (DWD)

  2. Satellite-based data sets to be generated and delivered within EURO4M • Surface Solar Radiation • Cloud Fraction • Surface Albedo • Precipitation • Integrated Water Vapor All data sets are provided as monthly means in netcdf-format for the European Domain:20W – 40E, 30N – 75N

  3. Surface Solar Radiation • a) Global Radiation (Irradiance) • Based on Meteosat • 1983 – 2010 • 0.05 deg spatial resolution • Accuracy better than 10 W/m2 • Homogeneous after 1995 • Applications • Climate Monitoring • Solar Energy/Agricultural Applications • Reanalysis evaluation

  4. Surface Solar Radiation • b) Global Radiation (Irradiance) • Based on AVHRR • 1982 – 2009 • 0.25 spatial resolution • Accuracy better than 10 W/m2 • Applications • Climate Monitoring • Solar Energy/Agricultural Applications • Reanalysis Evaluation • Data available • Results from modified retrieval of solar radiation currently under investigation, • Merging of different data sets possible

  5. Cloud Fraction • Applications • Climate Monitoring • Reanalysis Evaluation • Solar Energy Applications etc. • Cloud Fraction • Based on AVHRR • 1982 – 2009 • 0.25 spatial resolution

  6. Surface Albedo • Surface Albedo • based on AVHRR • 1982 – 2009 • 0.25 spatial resolution • Applications • Climate Monitoring • Reanalysis Evaluation • Snow Monitoring, etc.

  7. Surface Precipitation • Precipitation • based on GPCC / HOAPS 3.2 • 1987 – 2008 • 0.5 deg spatial resolution • Applications • Climate Monitoring • Reanalysis Evaluation • Hydrological Modeling, etc.

  8. EURO4M Precipitation vs. GPCP EURO4M GPCP • High spatial resolution • GPCP overestimates surface precipitation in Europe

  9. Integrated Water Vapor • Water Vapor • Based on ATOVS • 1999 – 2010 • approx. 1 deg resolution • Applications • Climate Monitoring • Reanalysis Evaluation • etc.

  10. Summary • Selected satellite data sets already available • Partly used already for evaluation of EURO4M reanalysis data • Surface Solar radiation data set will be further assessed • Data available via ftp-server upon request:contact.euro4m@dwd.de

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