Civil Engineering MCQAE Level Civil Engineering
Which of the following about average rainfall over a catchment is correct?
HydrologyThiessen PolygonMEDIUM
Choose the correct answer
A
catchment boundary is ignored
B
all stations always get equal weight
C
station weights are proportional to polygon areas
D
only the maximum rainfall station is used
Correct Answer
C. station weights are proportional to polygon areas
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Thiessen method gives area-weighted rainfall. Correct option: C.
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