In a catchment area, approximated by a circle of diameter 100 km, four rainfall stations are situated inside the catchment and one station is outside in its neigh- bourhood. The coordinates of the centre of the catchment and of the five stations are given below. Also given are the annual precipitation recorded by the five stations in 1980. Determine the average annual precipitation by the Thiessen-mean method. Diameter: 100 km. Centre: (100, 100) Distance are in km Station Coordinates Precipitation (cm) 1 2 (30,80) (70, 100) 85.0 135.2 3 (100, 140) 95.3 4 (130, 100) 146.4 5 (100, 70) 102.2
In a catchment area, approximated by a circle of diameter 100 km, four rainfall stations are situated inside the catchment and one station is outside in its neigh- bourhood. The coordinates of the centre of the catchment and of the five stations are given below. Also given are the annual precipitation recorded by the five stations in 1980. Determine the average annual precipitation by the Thiessen-mean method. Diameter: 100 km. Centre: (100, 100) Distance are in km Station Coordinates Precipitation (cm) 1 2 (30,80) (70, 100) 85.0 135.2 3 (100, 140) 95.3 4 (130, 100) 146.4 5 (100, 70) 102.2
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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