Civil Engineering - Water Resources Engineering - Discussion

Discussion Forum : Water Resources Engineering - Section 1 (Q.No. 23)
23.
For determination of average annual precipitation in a catchment basin, the best method is
Arithmetical method
Thiessen's mean method
Isohyetal method
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Ruchi said:   5 years ago
Why not Theissen polygon?

As it is having high accuracy among three methods.

Prakhar said:   6 years ago
Isohyetal give Accurate estimate also.

Dvs said:   8 years ago
Yes, since volume is considered in the formula the isohyetal method is the best method for finding out the average annual precipitation.

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