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Which among the following method is very accurate of rain gauging?(a) Arithmetic mean method(b) Thiesson method(c) Iso-hyetol method(d) Recording typeI had been asked this question in an online interview.This is a very interesting question from Rainfall and its Measurement topic in portion Hydro Electric Power Plant of Energy Engineering

Answer»

Correct option is (b) Thiesson method

For explanation: Thiesson method is very ACCURATE compared to other methods and is generally used when the catchment area lies between 500 to 5000km square. Assume that there are stations in the GIVEN basin names=d as 1, 2, 3, 4, 5, 6, 7, and 8. It is very important to divide the total basin area in such a way that each located station in the basin represents that area in the TRUE.


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