1D Weirs: Difference between revisions
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;V-notch weir
V-notch weirs are typically installed in open channels to determine discharge. The basic principle is that discharge is directly related to the water depth above the bottom of the V. The V-notch design causes small changes in discharge to have a large change in depth allowing more accurate head measurement than with a rectangular weir.
[[File:V-notch weir.jpg|thumb|none|400px|http://wintertracadie.ca/wp-content/uploads/2013/12/V-notch-weir-to-measure-spring-flow.jpg]]
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