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Storm event simulations in the Upper North Bosque River Watershed

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

Citation:  Watershed ManWatershed Management to Meet Water Quality Standards and TMDLS (Total Maximum Daily Load) Proceedings of the 10-14 March 2007, San Antonio, Texas  701P0207.(doi:10.13031/2013.22440)
Authors:   Mauro Di Luzio, Ali Saleh, Anne McFarland, Jeff G Arnold

Hydrologic modeling simulations using data with short time intervals (hours) and high spatial resolution (4 km) are expected to capture and describe severe events increasing reliability of loading estimates. The Soil and Water Assessment Tool (SWAT) model was applied to assess its storm event simulation algorithms using Next-Generation Weather Radar (NEXRAD) rainfall data fields. This case study focuses on a highly monitored watershed (Green Creek), part of the Upper North Bosque River watershed, located in Central Texas. This paper reports preliminary results of the comparison of NEXRAD rainfall fields with rain gage records and of the simulated stream flow, sediment yield, nitrogen and phosphorus loading for selected storms.

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