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Extension of the TAMSAT Satellite-Based Rainfall Monitoring over Africa and from 1983 to Present

E. Tarnavsky,David Grimes,Ross Maidment,E. Black,Richard,Allan,M. Stringer

Published 2014 in Journal of Applied Meteorology and Climatology

ABSTRACT

AbstractTropical Applications of Meteorology Using Satellite Data and Ground-Based Observations (TAMSAT) rainfall monitoring products have been extended to provide spatially contiguous rainfall estimates across Africa. This has been achieved through a new, climatology-based calibration, which varies in both space and time. As a result, cumulative estimates of rainfall are now issued at the end of each 10-day period (dekad) at 4-km spatial resolution with pan-African coverage. The utility of the products for decision making is improved by the routine provision of validation reports, for which the 10-day (dekadal) TAMSAT rainfall estimates are compared with independent gauge observations. This paper describes the methodology by which the TAMSAT method has been applied to generate the pan-African rainfall monitoring products. It is demonstrated through comparison with gauge measurements that the method provides skillful estimates, although with a systematic dry bias. This study illustrates TAMSAT’s value as ...

PUBLICATION RECORD

  • Publication year

    2014

  • Venue

    Journal of Applied Meteorology and Climatology

  • Publication date

    2014-12-10

  • Fields of study

    Geography, Environmental Science

  • Identifiers
    DOI 10.1175/JAMC-D-14-0016.1
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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