Abstract
Precipitation estimation plays a key role in meteorological and hydrological forecast systems. In Poland during last years a lot of effort has been put to improve quality of radar-based precipitation estimation. In this paper, the following particular tasks are described: (1) radar precipitation accumulation taking account of spatial and temporal interpolation, (2) spatial interpolation of raingauge data (using inverse distance weighting method or Kriging), (3) combination of raingauge observations and radar estimates (based on Sinclair-Pegram technique), and (4) downscaling of coarse resolution precipitation fields to required high resolution. All the research studies were performed considering operational needs and requirements.
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