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首页> 美国政府科技报告 >Hydrogeologic Conditions and a Firm-Yield Assessment for J. B. Converse Lake, Mobile County, Alabama, 1991-2006
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Hydrogeologic Conditions and a Firm-Yield Assessment for J. B. Converse Lake, Mobile County, Alabama, 1991-2006

机译：1991 - 2006年，阿拉巴马州移动县J. B. Converse Lake的水文地质条件和固产评估

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摘要

J.B. Converse (Converse) Lake is the primary source of drinking water for the city of Mobile, Alabama. Concerns regarding the ability of the reservoir to meet current and future water demands during drought conditions have prompted this study. The 1991 through 2006 water years included a drought that occurred during 2000, and drought conditions currently (2007) are affecting the area. To assist officials of the Mobile Area Water and Sewer System in planning for future demands for drinking water in the Mobile metropolitan area, the firm yield for Converse Lake was estimated by the U.S. Geological Survey. The firm yield of Converse Lake was estimated using the Massachusetts Department of Environmental Protection's firm-yield-estimator (FYE) model, which recently was refined by the U.S. Geological Survey. The model uses a mass-balance approach to determine the maximum average daily withdrawal rate that can be sustained during a period of record that includes a drought of record. If the reservoir is in contact with an aquifer, the FYE also includes routines that estimate the volume of ground-water and surface-water exchange between the aquifer and the reservoir.

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