Abstract
The Global Precipitation Climatology Centre (GPCC) has established a semi-automatic data processing system to obtain monthly precipitation analyses. This includes components for the collection, storage arui quality-control of all available gauge-measured data. The calculation of areal mean precipitation on a 2.5º grid by using an objective analysis method and the merging of these analyses with results from other sources to get complete global gridded data sets are a part of the routine system as well.
First investigations of the spatial sampling error of the areal mean precipitation totals are performed by using Monte-Carlo-techniques, from which a station density required to get an error of less than 10% can be obtained. Up to now the GPCC has prepared analyses of 24 months (1987,1988). Some intercomparisons of large areal means over the continents are presented for different precipitation data sets (GPCC analyses. Legates climatology, satellite data, accumulated daily forecast results of the ECMWF model).
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© 1994 Springer-Verlag Berlin Heidelberg
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Rudolf, B., Hauschild, H., Rueth, W., Schneider, U. (1994). Terrestrial Precipitation Analysis: Operational Method and Required Density of Point Measurements. In: Desbois, M., Désalmand, F. (eds) Global Precipitations and Climate Change. NATO ASI Series, vol 26. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-79268-7_10
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DOI: https://doi.org/10.1007/978-3-642-79268-7_10
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