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The futility of basing computations of discharge for any river upon percentages of the average monthly rainfall in its basin has become pretty well recognized. It is desirable, therefore, that another method, giving similar results and with a fair degree of accuracy, be found if possible. The results of any stream gaugings, to be of value, necessarily require that they cover a considerable period of time, which is generally beyond the limits of the average engineer to carry out, both financially and in point of time. A great misconception exists in the minds of many engineers as to the percentage of the annual rainfall that finds its way into the rivers. One western engineer that the author knows of used in designing certain works for irrigation as high as 60%, when one-half of it would have been nearer the truth. Of course, such errors are the due result of lack of information and of data upon the subject in question.
The futility of basing computations of discharge for any river upon percentages of the average monthly rainfall in its basin has become pretty well recognized. It is desirable, therefore, that another method, giving similar results and with a fair degree of accuracy, be found if possible. The results of any stream gaugings, to be of value, necessarily require that they cover a considerable period of time, which is generally beyond the limits of the average engineer to carry out, both financially and in point of time. A great misconception exists in the minds of many engineers as to the percentage of the annual rainfall that finds its way into the rivers. One western engineer that the author knows of used in designing certain works for irrigation as high as 60%, when one-half of it would have been nearer the truth. Of course, such errors are the due result of lack of information and of data upon the subject in question.
Rainfall and River-Flow
Babb, Cyrus C. (author)
Transactions of the American Society of Civil Engineers ; 28 ; 323-337
2021-01-01
151893-01-01 pages
Article (Journal)
Electronic Resource
Unknown
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