Analyze the data to (a) develop a non-linear correlation equation to estimate annual runoff volume for a given annual rainfall value, (b) Estimate r values for the equation, (c) Estimate the runoff depth when the rainfall depth is (i) 350 mm (ii) 600 mm.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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hydrology engineering

Annual rainfall and runoff values of a catchment for a period of 10 years are given below.
Analyze the data to (a) develop a non-linear correlation equation to estimate annual runoff volume
for a given annual rainfall value, (b) Estimate r values for the equation, (c) Estimate the runoff depth
when the rainfall depth is (i) 350 mm (ii) 600 mm.
Year
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
Annual
Rainfall
361
408
217
324
510
488
275
392
296
420
|(mm)
Annual
Runoff
145
160
90
130
205
195
110
157
120
165
(mm)
Transcribed Image Text:Annual rainfall and runoff values of a catchment for a period of 10 years are given below. Analyze the data to (a) develop a non-linear correlation equation to estimate annual runoff volume for a given annual rainfall value, (b) Estimate r values for the equation, (c) Estimate the runoff depth when the rainfall depth is (i) 350 mm (ii) 600 mm. Year 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 Annual Rainfall 361 408 217 324 510 488 275 392 296 420 |(mm) Annual Runoff 145 160 90 130 205 195 110 157 120 165 (mm)
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