AbstractRainfall has been estimated at the European Space Operations Centre (ESOC) since 1985 using the ESOC Precipitation Index (EPI), a statistical cloud indexing method which assumes that the larger the cold cloud core, the heavier the precipitation. The index has been converted into rainfall by applying the linear regression method to the EPI and observed precipitation from a high-density network of rain-gauges. The accuracy of the method as a function of geographical location and season has been assessed.The results on the geographical applicability of the method indicated that the estimation of precipitation is plausible only in the tropical areas exposed to convective precipitation. In the subtropical zone, where frontal rains frequently occur, the technique has little skill. The study of the seasonal variations revealed that estimated rainfall was well in line with the observed values for all the seasons except for the transition period from the dry to the rainy season, when the method largely overestimated the observed rainfall.
Monitoring of precipitation with Meteosat
Advances in Space Research ; 9 , 7 ; 347-353
01.01.1989
7 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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