Civil Engineering - Water Resources Engineering - Discussion


For determination of average annual precipitation in a catchment basin, the best method is

[A]. Arithmetical method
[B]. Thiessen's mean method
[C]. Isohyetal method
[D]. None of these.

Answer: Option C


No answer description available for this question.

Dvs said: (Aug 19, 2017)  
Yes, since volume is considered in the formula the isohyetal method is the best method for finding out the average annual precipitation.

Prakhar said: (Dec 25, 2018)  
Isohyetal give Accurate estimate also.

Ruchi said: (May 31, 2020)  
Why not Theissen polygon?

As it is having high accuracy among three methods.

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