A maximum entropy analysis of global monthly series of rainfall from merged satellite data
This Letter presents the results of analysing a global, satellite-based monthly precipitation database on a 2.5° latitude-longitude grid for the 22-year period from 1979 to 2001 using a direct maximum entropy spectral analysis method. The NOAA Climate Prediction Center (CPC) Merged Analysis of Precipitation (CMAP) database is used to calculate the rainfall cycles for ∼10 000 time series covering the whole Earth. It is shown that several cycles other than the annual or seasonal cycles affect the rainfall distribution of many areas, in particular western Europe.
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Document Type: Research Article
Affiliations: Department of Geography, Sir William Hardy Building, University of Cambridge, Downing Place, Cambridge CB2 3EN, UK
Publication date: 2007-01-01