Assessing The Impacts of Stream Regulation in The Flathead River Basin, Montana, USA I. Simulation Modeling of System Water Balance

Hall C, Jourdonnais J, Stanford J. 1989. Assessing The Impacts of Stream Regulation in The Flathead River Basin, Montana, USA I. Simulation Modeling of System Water Balance. John Wiley & Sons. State University of New York, Syracuse, NY

A Fortran-based simulation model was written to predict water movement into and out of Flathead Lake. Since tributaries, the lake proper and downstream flows were either freeflowing or regulated by hydroelectric dams, it was necessary ~ G T the model to adjust simulated, regulated flows to account for predicted natural flows. Empirical input to the model consisted of daily discharge data or statistical summaries of data sets for an 80+ year period of record for gauging sites on major tributaries, the lake and its outlet river. The model produces graphical output of empirical observations or simulates lake levels and riverine flows on the basis of any selected period of the record. The model was successfuliy used to evaluate the feasibility of various water management scenarios to enhance or protect fish and wildlife and also permit varlous hydropower production quotas.

Type
Published Report
Authors
Hall, Charles; Jourdonnais, John; Stanford, Jack
Date of Issue
1989
Publisher
John Wiley & Sons
Units
GLAC
Keywords
Downstream flows, Hydrology, lake levels

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