Concept information
Preferred term
GPCC
Definition
- The GPCC is hosted and funded by Deutscher Wetterdienst DWD (German Weather Service) as a German contribution to the World Climate Research Programme. The centre was established in 1988 on request of WMO as a component of the international Global Precipitation Climatology Project (GPCP) and has various international co-operations. The task of the Global Precipitation Climatology Project (GPCP) is to provide the climate research community with gridded datasets of monthly precipitation totals based on observational data. The specific GPCC functions are defined by the 'Implementation and Data Management Plan for the Global Precipitation Climatology Project' (WCRP 1990, WMO/TD-No. 367) and comprise: 1. Acquisition, collection, and organized storage of precipitation data from surface-based networks; 2. Quality-control and assessment of the collected resp. used data, correction of errors; 3. Calculation of gridded area-mean monthly precipitation for the earth's landsurface; 4. Error assessment for the precipitation totals on the individual gridcell; 5. Combination of the gridded monthly precipitation data from surface-based and satellite observations (this item is performed jointly by all GPCP components). First steps are taken to derive daily precipitation totals based on GTS - SYNOP data. New GPCC functions have been defined in the framework of the Arctic Climate System Study (ACSYS): 1. Development of an Arctic Precipitation Data Archive (APDA) including daily precipitation and snow depth data; 2. Calculation of area-mean precipitation series for Arctic river basins. GPCC also performs intercomparison studies for gridded precipitation datasets from different sources (surface or satellite based observations, model results, climatologies from various authors). Furthermore, the GPCC applies its analysis system for special studies, e.g on the Oder River floading in July 1997 or the El-Nino precipitation anomalies in winter 1997/1998. For more information, link to "http://gpcc.dwd.de/" (en)
Broader concept
- G - I (en)
URI
https://gcmd.earthdata.nasa.gov/kms/concept/14ded00a-80a7-4d9d-8180-10f8f251275d
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