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Agricultural Wetland and Pond Hydrologic Analyses Using the SPAW Model

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  701P0904,  . (doi: 10.13031/2013.17369)
Authors:   K. E. Saxton and Mr. P. H. Willey
Keywords:   Agricultural, Hydrology, Water budgeting, Wetland, Ponds, Reservoirs, Lagoons

A computer model, SPAW, has been developed to describe and evaluate the hydrology of wetlands and ponds which have agricultural watersheds as their water source. Wetland analyses include daily inundation depths and durations during the wetland growing season and multiple year statistics. The model can also be applied to evaluate the capacity and management of ponds for irrigation livestock water, and animal waste disposal. A comprehensive ponding routine added to the previously developed SPAW hydrologic field model provides a single hydrologic computational package with operational and data screens, output tables and graphs, manuals and examples. Documentation includes the SPAW model theory, typical applications, data requirements, operational details and example files. Program corroboration has been accomplished through research data, workshops and application assessments.

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