Research Article
Jan 1948
Forecasting Productivity of Irrigable Lands
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VIEW THE REPLYAuthor: W. C. MuldrowAuthor Affiliations
Publication: Transactions of the American Society of Civil Engineers
Volume 113, Issue 1
Abstract
In 1941, Robert L. Lowry, Jr., M. ASCE, and Arthur F. Johnson, Assoc. M. ASCE, working with the United States Bureau of Reclamation, produced a heat-unit method of estimating the consumptive use of water for agriculture.2 The writer considers this a sound and workable method, giving very consistent results from long-term records. Since the only requirement is a United States Weather Bureau record of reasonable length in, or representative of, the area under consideration, the method may be applied anywhere in the western part of the United States. The formula is easily and simply resolved, and the very consistent results, when checked against many determinations by other methods, give an accuracy satisfactory for use in preliminary estimates. As shown by J. L. Burkholder,3 M. ASCE, in his discussion of the Lowry-Johnson paper, the line produced is the median of a band covering the range of divergence of individual years from the average.
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© 1948 American Society of Civil Engineers.
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Published in print: Jan 1948
Published online: Feb 10, 2021
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W. C. Muldrow
Engr., U. S. Engrs., Portland, Ore.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.