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首页> 美国政府科技报告 >Use of a Geographic Information System to Assess Risk to Ground-Water Quality at Public-Supply Wells, Cape Cod, Massachusetts
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Use of a Geographic Information System to Assess Risk to Ground-Water Quality at Public-Supply Wells, Cape Cod, Massachusetts

机译：使用地理信息系统评估马萨诸塞州科德角公共供水井的地下水质量风险

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Ground water in the sole-source, sand and gravel aquifer on Cape Cod, Massachusetts, is plentiful and of chemical quality suitable for public supply. However, the water quality is vulnerable to changing land use, particularly the rapid conversion of undeveloped land to residential and commercial uses. Considerable efforts have been made to delineate wellhead-protection areas around the approximately 60 public water-supply wells on Cape Cod and to assess risk to ground-water quality from current and potential sources of contamination. The report presents the results of a project that demonstrates GIS methods for assessing the risk to water quality of public-supply wells on Cape Cod, Massachusetts. Other project goals included the development of a computer data base at large scale, the establishment of a step-by-step approach for assessing risk, the delivery of a set of specified GIS map products, and the establishment of a regional GIS data base for future use.

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