There are four raingauge stations existing in the catchment of a river. T Average annual rainfall values at these stations are 800, 620, 400 and 540 mm respectively (a) Determine the optimum number of raingauge in the catchment. (b) How many more gauges will be required to be installed. Allowable percentage error in mean value of rainfall in the catchment is 10%.

There are four raingauge stations existing in the catchment of a river. T Average annual rainfall values at these stations are 800, 620, 400 and 540 mm respectively (a) Determine the optimum number of raingauge in the catchment. (b) How many more gauges will be required to be installed. Allowable percentage error in mean value of rainfall in the catchment is 10%.

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter16: Highway Drainage

Section: Chapter Questions

Problem 4P

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