Simulated water-management alternatives using the modular modeling system for the Methow River Basin, Washington

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Title Simulated water-management alternatives using the modular modeling system for the Methow River Basin, Washington
Creator Konrad, Christopher P.
Subject Computer simulation; Geographical Information Systems; Hydrology; Hydraulics; Seepage
Spatial Coverage Columbia River; Washington
Description A precipitation-runoff model for the Methow River Basin was used to simulate six alternatives: (1) baseline of current flow, (2) line irrigation canals to limit seepage losses, (3) increase surface-water diversions through unlined canals for aquifer recharge, (4) convert from surface-water to groundwater resources to supply water for irrigation, and (5) reduce tree density in forested headwater catchments, and (6) natural flow. Daily streamflow from October 1, 1959, to September 30, 2001 (water years 1960-2001) was simulated. Lining irrigation canals (alternative 2) increased flows in the Chewuch, Twisp, and the Methow (upstream and at Twisp) Rivers during September because of lower diversion rates, but not in the Methow River near Pateros. Increasing diversions for aquifer recharge (alternative 3) increased streamflow from September into January, but reduced streamflow earlier in the summer. Conversion of surface-water diversions to ground-water wells (alternative 4) resulted in the largest increase in September streamflow of any alternative, but also marginally lower January flows (at most -8 percent in the 90-percent exceedence value). Forest-cover reduction (alternative 5) produced large increases in streamflow during high-flow periods in May and June and earlier onset of high flows and small increases in January streamflows. September streamflows were largely unaffected by alternative 5. Natural streamflow (alternative 6) was higher in September and lower in January than the baseline alternative.
Publisher U.S. Geological Survey
Contributors U.S. Bureau of Reclamation
Date 2004
Type Text
Format application/pdf
Digitization Specifications pdf file copied from USGS website ( Uploaded into CONTENTdm version 3.7.
Source Konrad, C.P., 2004, Simulated water-management alternatives using the Modular Modeling System for the Methow River Basin, Washington: U.S. Geological Survey Open-File Report 2004-1051, 12 p.
Language eng
Rights Management Public Domain, Courtesy of the USGS
Holding Institution University of Utah
Metadata Cataloger Daureen Nesdill; Kristin Willmore
ARK ark:/87278/s6f47n2b
Setname wwdl_er
Date Created 2004-10-30
Date Modified 2005-10-06
ID 1145694
Reference URL
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