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In water-resources engineering, the sizing of reservoirs depends on accurate estimates

Applied Numerical Methods W/MATLAB: for Engineers & Scientists | 3rd Edition | ISBN: 9780073401102 | Authors: Steven C. Chapra Dr. ISBN: 9780073401102 336

Solution for problem 14.25 Chapter 14

Applied Numerical Methods W/MATLAB: for Engineers & Scientists | 3rd Edition

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Applied Numerical Methods W/MATLAB: for Engineers & Scientists | 3rd Edition | ISBN: 9780073401102 | Authors: Steven C. Chapra Dr.

Applied Numerical Methods W/MATLAB: for Engineers & Scientists | 3rd Edition

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Problem 14.25

In water-resources engineering, the sizing of reservoirs depends on accurate estimates of water flow in the river that is being impounded. For some rivers, long-term historical records of such flow data are difficult to obtain. In contrast, meteorological data on precipitation are often available for many years past. Therefore, it is often useful to determine a relationship between flow and precipitation. This relationship can then be used to estimate flows for years when only precipitation measurements were made. The following data are available for a river that is to be dammed: Precip., cm/yr 88.9 108.5 104.1 139.7 127 94 116.8 99.1 Flow, m3/s 14.6 16.7 15.3 23.2 19.5 16.1 18.1 16.6 (a) Plot the data. (b) Fit a straight line to the data with linear regression. Superimpose this line on your plot. (c) Use the best-fit line to predict the annual water flow if the precipitation is 120 cm. (d) If the drainage area is 1100 km2 , estimate what fraction of the precipitation is lost via processes such as evaporation, deep groundwater infiltration, and consumptive use.

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Textbook: Applied Numerical Methods W/MATLAB: for Engineers & Scientists
Edition: 3
Author: Steven C. Chapra Dr.
ISBN: 9780073401102

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In water-resources engineering, the sizing of reservoirs depends on accurate estimates

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