Feasibility of Weather Modification for California's State Water Project

by Donald J. Finlayson, California Dep of Water Resources, Sacramento, CA, USA,
Donald A. Griffith, California Dep of Water Resources, Sacramento, CA, USA,
H. Robert Swart, California Dep of Water Resources, Sacramento, CA, USA,



Document Type: Proceeding Paper

Part of: Irrigation Systems for the 21st Century

Abstract: The California Department of Water Resources (DWR), in the mid 1950's, contracted with some 30 water agencies to eventually furnish about 4. 2 million acre-feet (MAF) of water on a firm yield basis. To date, the contractors have requested annual amounts of 2. 7 MAF (1986) and have indicated a need for 3. 3 MAF per year by the year 2000. The project's current ability to deliver firm supplies is about 2. 3 MAF per year. In order to reduce future possible shortages and to improve the dependability of the system, DWR is considering options that include new onstream and offstream storage, both surface and ground water; improvement of natural conveyance channels; and use of weather modification to enhance runoff under selected conditions, which is the subject of this paper.

Subject Headings: Water resources | Feasibility studies | Water management | Water storage | Runoff | Contractors and subcontractors | Waste storage | North America | California | United States

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