1101

• UCREFRP Catalog Number: 1101
• Author: U.S. Fish and Wildlife Service, U. C. R. B. S.
• Title: Critical Assessment of PHABSIM Model, and the Modeling Effort.
• USFW Year: 1985.
• USFW - Doc Type: \
• Copyright Material: NO

* * * DRAFT * * * tJCRBCQMM 12 FEB $g
DEFICIENCY 2. The physical parameters used in the model te.g.~ measurements
made along transacts at PHABSIM sites measurements made at capture sites of
fishes) have error associated with their measurement. The magnitude of this
error is unknown and might be large. The reliability of the model relates
directly to the magnitude of this error effect. We must identify approaches to
testing/validating the physical habitat model. and to estimate the effect of
error on model output.
RECOMMENDATIQN: Testing/validation of the model requires testing of the
following hypothesis: Amounts of conditions predicted by the simulation model
are comparable to those conditions observed tactually measured) over a range of
discharge conditions.
RECQMMENDATION: Data/research needed to test the above hypothesis include the
following:
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