The Role of Hydrologic Forecasts and Water Management in Support of Fisheries Enhancementby Charles E. Orwig, Natl Weather Service, Portland, OR, USA,
Bolyvong S. Tanovan, Natl Weather Service, Portland, OR, USA,
Abstract: With the passage of the Pacific Northwest Electric Power Planning and Conservation Act of 1980 and the adoption of the Columbia River Basin Fish and Wildlife Program in 1982, a new mandate to manage Columbia/Snake River waters for fisheries enhancement was established. This paper discusses some of the details of the current streamflow and system regulation efforts related to the current fisheries enhancement program. The competing demands for the water resource are highlighted with particular attention to competition between use of the water resource for fisheries enhancement and for other water usage demands. The limitations of using hydrologic forecasts in the water management decision-making process for fisheries enhancement are discussed. Finally, some thoughts on future improvements in hydrologic forecasting for water management purposes are presented.
Subject Headings: Hydrology | Fish management | Forecasting | Water resources | Water management | Streamflow | Electric power | Rivers and streams | Pacific Northwest | North America | United States
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