Glacial Basin Flow for a Power Operation Model

by Yung Y. Shen, Stone & Webster Engineering Corp, United States,
T. J. Hughes, Stone & Webster Engineering Corp, United States,
N. A. Bishop, Stone & Webster Engineering Corp, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


A power operation model was developed and used to estimate the project energy generation and reservoir level fluctuations. In order to precisely simulate the daily project operation, daily inflow was needed to simulate the anticipated large fluctuation of daily flow. Twenty-nine years of daily flow records were used. This daily flow was adjusted to account for glacier terminus switch, glacier mass balance, diversion to and from sub-basins, and flow release from reservoir to meet the instream flow requirement. For some of the sub-basins, no flow data were available. A correlation study was performed to synthesize flow data. A review of the regional streamflow records was conducted so that the best available data could be used for the regression analysis.

Subject Headings: Instream flow | Basins | Hydrologic models | Hydro power | Reservoirs | Flow simulation | Regression analysis | Inflow

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