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Effects of hydropower operations on recreational use and nonuse values at Glen Canyon and Flaming Gorge dams

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Title	Effects of hydropower operations on recreational use and nonuse values at Glen Canyon and Flaming Gorge dams
Description	Report by J. L. Carlson on how dam operations that result in changes to the streamflow could cause the quantity or quality of downstream recreational activities to change.
Abstract	Increases in streamflows are generally positively related to the use values of angling and white-water boating, and constant flows tend to increase the use values more than fluctuating flows. In most instances, however, increases in streamflows beyond some threshold level cause the use values to decrease. Expenditures related to angling and white-water boating account for about $24 million of activity in the local economy around Glen Canyon Dam and$ 24.8 million in the local economy around flaming Gorge Dam. The range of operational scenarios being considered in the Western Area Power Administration's Electric Power Marketing Environmental Impact Statement, when use rates are held constant, could change the combined use value of angling and white-water boating below Glen Canyon Dam, increasing it by as much as 50%, depending on prevailing hydrological conditions. Changes in the combined use value below Flaming Gorge Dam could range from a decrease of 9% to an increase of 26%. Nonuse values, such as existence and bequest values, could also make a significant contribution to the total value of each site included in this study; however, methodological and data limitations prevented estimating how each operational scenario could change nonuse values.
Subject	Hydroelectric power plants -- Environmental aspects -- Arizona -- Coconino County Hydroelectic power plants -- Environmental aspects -- Utah -- Daggett County Reservoir drawdown -- Environmental aspects -- Arizona -- Coconino County Reservoir drawdown -- Environmental aspects -- Utah -- Daggett County Rivers -- Utah -- Daggett County -- Recreational use -- Forecasting Rivers -- Arizona -- Coconino -- Recreational use -- Forecasting Streamflow -- Environmental aspects -- Colorado River (Colo.-Mexico) Streamflow -- Environmental aspects -- Green River (Wyo.-Utah) Flaming Gorge Reservoir (Wyo.-Utah)
Creator	Carlson, J. Lon. Argonne National Laboratory. Decision and Information Sciences Division United States. Western Area Power Administration
Publisher	Made available by: Utah State University, Merrill-Cazier Library
Language	en
Rights	This is a government document and may be used without restriction.
Date Digital	2007-11-07
Material Type	Reports Government documents Electronic books
Type	Text
Format	Text/pdf
Conversion Specifications	Pdf file uploaded from USU Government Documents Collection.
Identifier	DE96003357.pdf
Search Date	1995-03

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