The simulation programs of the instream flow incremental methodology
Date
2008
Authors
Milhous, Robert T., author
Colorado State University, publisher
Journal Title
Journal ISSN
Volume Title
Abstract
The Instream Flow Incremental Method (IFIM) is a logical guide to the analysis of various issues related to developing an environmental (instream) flow policy that incorporates multiple or variable flow rules to meet the needs of the aquatic ecosystem while considering habitat-flow relationships, timing of flow events, institutional arrangements, and water supply and water allocation. Models of the IFIM include the Physical Habitat Simulation System (PHABSIM), Time Series Analysis Library (TSLIB), two temperature models: Stream Network Temperature Model (SNTEMP) and the Stream Segment Temperature Model (SSTEMP), SALMOD, and the Legal Institutional Analysis Model (LIAM). The various models are designed to give the user information required to select environmental flow needs. The models do not calculate an environmental flow need - selecting an environmental flow need is the responsibility of the user. PHABSIM is a set of programs designed to predict microhabitat conditions in rivers as a function of streamflow and the relative suitability of those microhabitat conditions to aquatic life. TSLIB programs provide data entry, analysis, and display of daily or monthly flow or habitat values. Some programs are useful for integrating microhabitat and macrohabitat, and some are of value in the analysis of water operations systems. SNTEMP predicts the water temperature in streams and rivers from data describing the stream's geometry, meteorology, and hydrology. It handles a dendritic network of streams through time and space. SSTEMP is a scaled down version of SNTEMP suitable for single (to a few) reaches and single (to a few) time periods. SALMOD is a computer model that simulates the dynamics of freshwater salmonid populations. Developed and used for the Trinity River, California, Chinook salmon evaluation, SALMOD has wide applicability for freshwater habitat-limited salmonid populations. LIAM was designed to accomplish three goals: (1) plan for participation in a negotiation, (2) predict organizational behavior, and (3) examine likely negotiation strategies.
Description
2008 annual AGU hydrology days was held at Colorado State University on March 26 - March 28, 2008.
Includes bibliographical references.
Includes bibliographical references.
Rights Access
Subject
instream flows
environmental flows
temperature modeling
fish habitat
macrohabitat
microhabitat
legal analysis
institutional analysis
water management