Emergency Spillway Performance At Site 39 Upper Black Bear Creek Watershed Oklahoma

Author : W. O. Ree
Publisher : Forgotten Books
ISBN 13 : 9780265802731
Total Pages : 26 pages
Book Rating : 4.8/5 (27 download)

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Download or read book Emergency Spillway Performance, Upper Red Rock Creek Watershed, Oklahoma (Classic Reprint) written by W. O. Ree and published by Forgotten Books. This book was released on 2017-10-27 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Emergency Spillway Performance, Upper Red Rock Creek Watershed, Oklahoma A mathematical model of the breaching process could be formu lated which would include the hydrograph, the spillway width, the difference in elevation between the spillway crest and the stable downstream grade, and the erodibility characteristics of the soil and rock mass in the spillway profile. The erodibility characteristics of the soil and rocks could be determined by laboratory experiments which would provide numerical data for quantifying the model. The model in turn should be tested by application to known events; data on spillway performance during floods would be required for testing. This is a report of the data gathered on the performance of three spillways during an infrequent flow event. At pm. On October 10, 1973, a rainstorm began at Enid, Okla.; by 5: 00 am. The next morning inches of rain had fallen. A National Weather Service bucket survey disclosed a maximum of 20 inches of rain in the center of the city, about 2 miles from the rain gage. Thirteen miles northeast of Enid and 3 miles south west of Hunter, Okla.,19 inches of rain fell. This point is in the western part of the Upper Red Rock Creek watershed, Oklahoma, the location of a Public Law 566 project of the Soil Conservation Service. Four of the nearby upstream floodwater-retarding reservoirs in the watershed received sufficient runoff to cause flow in the emergency spillways. These sites and the isohyetal lines for the storm are diagramed in figure 1. The emergency spillway flows aroused the interest of the staff of the Water Conservation Strue tures Laboratory, who visited the area and first observed the emergency spillways on October 23, 1973. The detailed surveys were made on November 1 and 2. The high-water marks in the reservoir and the crest and channel profiles of the spillways were measured, and the kind and quality of the grass cover and the condition of the spillways were noted. From these data the peak flow and the maxi mum velocity in each spillway during the flow were calculated. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.