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  • Mapping potential evapotranspiration: the smooth interpolation of isolines with a low density station network
  • Creation of smooth contours over irregularly distributed data using surface patches
  • Smooth statitical surfaces are conventionally represented by isoline maps or block diagrams. Perceptual studies have suggested that these illustrations are difficult for map readers to interpret and that overall surface configuration is particularly
  • By linearization and following smoothing a local approximation of the Molodensky problem in gravity space is constructed. This problem may be solved in a closed way. The solution permits a series expansion with respect to cylindrical functions