NEW METHOD OF INTERPOLATION 1.Horizontal-distance and direction
influences (based on modified Shepards interpolator) 2. Additional
topographic influences on interpolated precipitation (from
elevation, slope, slope orientation and the degree of exposure to
orography Important: the orographic scale Orographic elevation
Longitudinal and latitudinal components of the slope of the
orographic region Potential exposure of station i to orography We
can estimate an interpolation bias for each station (when
topographic influences Are not taken into account): from nearby
stations Pi ( Then we can estimate And finally:
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2.5 min7.5 min12.5 min Elevation dz/dy Exposure STATION1
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2.5 min7.5 min12.5 min Elevation STATION2 dz/dx dz/dy
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STATION 50 2.5 min7.5 min12.5 min Elevation dz/dx dz/dy
