EGU23-6217, updated on 17 Apr 2023
https://doi.org/10.5194/egusphere-egu23-6217
EGU General Assembly 2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Concept and validation of a Meteosat based dataset for Surface Radiative Balance

Quentin Bourgeois1, Anke Tetzlaff1, Reto Stöckli1, Nicolas Christen1, John Viju2, William Moutier3, Nicolas Clerbaux3, Françoise Gellens-Meulenberghs3, Jörg Trentmann4, and Isabel Trigo5
Quentin Bourgeois et al.
  • 1Federal Office of Meteorology and Climatology MeteoSwiss, Zürich, Switzerland
  • 2EUMETSAT, Darmstadt, Germany
  • 3Royal Meteorological Institute of Belgium (RMIB), Brussels, Belgium
  • 4German Weather Service (Deutscher Wetterdienst - DWD), Offenbach, Germany
  • 5Instituto Português do Mar e da Atmosfera (IPMA), Lisbon, Portugal

During the Third Continuous Development and Operations Phase (CDOP-3) of EUMETSAT, the Satellite Application Facility (SAF) on Climate Monitoring (CM SAF) extends its product portfolio with a Thematic Climate Data Record (TCDR) of Regional Land Fluxes based on two sensors of the Meteosat suite of geostationary satellites: the Meteosat Visible and InfraRed Imager (MVIRI) and the Spinning Enhanced Visible and InfraRed Imager (SEVIRI). The Regional Land Fluxes TCDR will provide various parameters depicting the surface states and radiation fluxes, including the Surface Radiative Balance (SRB), the Cloud Fractional Cover (CFC), the Land Surface Temperature (LST), the Evapotranspiration (ET) and the Latent (LE) and Sensible (H) Heat Fluxes. The TCDR is achieved by consolidating and unifying previously separated developments in CM SAF, LSA SAF and the EUMETSAT Secretariat, and running them in a joint retrieval using the Meteosat Fundamental Climate Data Record. This unique concept ensures consistency among the TCDR parameters.

We focus here on the SRB product of the Regional Land Flux TCDR. All components of the SRB - including the Surface Incoming Solar radiation (SIS, or solar irradiance), the Surface Albedo (SAL), the Surface Outgoing Longwave radiation (SOL) and the Surface Downward Longwave radiation (SDL) - are jointly retrieved using the CM SAF software “GeoSatClim” over the period 1983-2020. The SRB data record covers area up to 65°N/S and 65°W/E. The TCDR consists in hourly, daily and monthly means with a spatial resolution of 0.05 degree.

In this presentation, we show the detailed concept of the SRB algorithm. The SRB product and its single components are validated with BSRN, GEBA, ASRB and SwissMetNet ground based stations and they are compared with other global SRB products such as ERA5-Land, ISCCP-FH and CLARA. Overall, the SRB monthly mean absolute bias reaches the target accuracy of 15 W.m-2, and the SRB stability falls below the requirement of 2 W/m2/decade.

How to cite: Bourgeois, Q., Tetzlaff, A., Stöckli, R., Christen, N., Viju, J., Moutier, W., Clerbaux, N., Gellens-Meulenberghs, F., Trentmann, J., and Trigo, I.: Concept and validation of a Meteosat based dataset for Surface Radiative Balance, EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, EGU23-6217, https://doi.org/10.5194/egusphere-egu23-6217, 2023.

Supplementary materials

Supplementary material file