Streamflow Forecasting for Hydropower Operations Using Interactive Modeling Systems

by A. Allen Bradley, Hydrocomp Inc, United States,
Lisa A. Anich, Hydrocomp Inc, United States,
Norman H. Crawford, Hydrocomp Inc, United States,

Document Type: Proceeding Paper

Part of: Computerized Decision Support Systems for Water Managers


This paper discusses the development of the Snake River Forecast Model (SRFM), a streamflow forecasting system for long-range planning and short-range operation of fifteen hydropower projects. Hydrologic models are used to simulate snow accumulation and melt, irrigation demands and diversions, aquifer springflows and recharge, river flows, and reservoir operations. SRFM is a tool for examining numerous operational problems. Hydrologists manage the system by accessing field observations, modifying time series data bases, and updating system conditions. Planners estimate potential generation by making long-term streamflow forecasts. Schedulers set generation schedules to maximize energy production and reduce spill using short-term streamflow forecasts. To accommodate a variety of system users, a sophisticated interactive and graphical system was developed. High quality graphical displays provide visual information to help users interact with the system and view data and results.

Subject Headings: Streamflow | Forecasting | Hydro power | Hydrologic models | Interactive systems | Flow simulation | Snowmelt | Scheduling

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