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Last modified
7/14/2009 5:02:31 PM
Creation date
5/20/2009 2:48:04 PM
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UCREFRP
UCREFRP Catalog Number
7925
Author
Smith, G. L., ed.
Title
Proceedings, Workshop In Instream Flow Habitat Criteria And Modeling, December 1979.
USFW Year
1979.
USFW - Doc Type
Info. Series No. 40,
Copyright Material
NO
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<br />EXECUTIVE SUMMARY <br /> <br />~ <br /> <br />The Cooperative Instream Flow Service Group, U. S, Fish and Wildlife <br />Service, Fort Collins, Colorado has developed an incremental methodology which <br />is unique among instream flow habitat assessment procedures, The Instream <br />Flow Group Incremental Methodology (IFGIM) allows quantification of potential <br />habitat available to various life history phases of a fish in a given reach of <br />stream, at different streamflow regimes with different channel configurations <br />and slopes, It is an emerging technology made necessary by increased public <br />desire for concious consideration of acceptable habitat for instream biota, <br />Modifications are constantly being made to improve its utility and this <br />workshop was designed to accelerate that process. <br />Discussions were held inVOlving experts in four specific areas relevant <br />to the basic concepts of the IFG Incremental Methodology. Those areas were: <br />(1) river mechanics, morphology, and watershed processes; (2) modeling <br />instream water quality; (3) instream fishery ecosystems; and (4) relationships <br />between recreation and instream flow. Workshop objectives were: (1) <br />identification of avenues for improvement or expansion of the increm!ntal <br />methodology; and (2) identification and establishment of priorities for needed <br />research and development programs for improvement of the incremental <br />methodology, <br />The workshop on river mechanics, morphology, and watershed processes <br />focused on: (1) an evaluation of current, predictive methodologies involving <br />mathematical models - regression, lumped parameter, or physical process <br />simulation - and using three mathematical approaches - analytical, finite <br />difference and finite element; (2) an evaluation of the hydraulic components <br /> <br />~ <br /> <br />. <br /> <br />~ <br /> <br />16 <br />
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