Q no. 49# The annual rainfalls at7 raingauge stations in a basin are 58, 94, 60, 45,20, 88 and 68cm respectively. What is the percentage accuracy of the existing network in the estimation of the average depth of rainfall over the basin? How many additional gauges are required if it is desired to limit the error to only 10%.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
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Hydrology
Q no. 49# The annual rainfalls at7 raingauge stations in a basin are 58, 94, 60,
45,20, 88 and 68cm respectively. What is the percentage accuracy of the
existing network in the estimation of the average depth of rainfall over the
basin?
How many additional gauges are required if it
is desired to limit the error to only 10%.
Transcribed Image Text:Q no. 49# The annual rainfalls at7 raingauge stations in a basin are 58, 94, 60, 45,20, 88 and 68cm respectively. What is the percentage accuracy of the existing network in the estimation of the average depth of rainfall over the basin? How many additional gauges are required if it is desired to limit the error to only 10%.
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