Publisher's Synopsis
Excerpt from Design, Construction, and Operation of Streamflow-Measuring Facilities in the Little River Watershed, Georgia
The model studies also indicated that sub mergence effects begin when the ratio of the downstream stage to the upstream stage (sub mergence ratio) equals about Free fall with nappe aeration is restricted at this stage, and flow depth at the weir crest becomes greater than the critical depth. Weir stage discharge relations, as well as submergence ef feets on discharge, are discussed in detail in references 2 and 4, No evidence was found to indicate that weirs have significant effects on either the capacity or the stability of highway bridges and culverts.
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