Two 1970's methods for prescribing instream flow regimens
At the beginning of the decade of the 1970's it was clear that unless an instream flow regimens was quantified the need for an instream flow. Three 1970's methods are reviewed: 1) a method based on the characteristics of the streamflows is the Montana Method, 2) a method based on the hydraulic attributes of the channel is the Water Surface Profile Method, and a method that uses hydraulic attributes contained in papers on the Montana Method. Strong points of the Montana Method are the relation between the magnitude of the instream flow and the quality of the habitat, and the variation of the ...
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