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DOI10.1038/s41467-021-27509-9
Comparison of potential drinking water source contamination across one hundred U.S. cities
Turner S.W.D.; Rice J.S.; Nelson K.D.; Vernon C.R.; McManamay R.; Dickson K.; Marston L.
发表日期2021
ISSN2041-1723
卷号12期号:1
英文摘要Drinking water supplies of cities are exposed to potential contamination arising from land use and other anthropogenic activities in local and distal source watersheds. Because water quality sampling surveys are often piecemeal, regionally inconsistent, and incomplete with respect to unregulated contaminants, the United States lacks a detailed comparison of potential source water contamination across all of its large cities. Here we combine national-scale geospatial datasets with hydrologic simulations to compute two metrics representing potential contamination of water supplies from point and nonpoint sources for over a hundred U.S. cities. We reveal enormous diversity in anthropogenic activities across watersheds with corresponding disparities in the potential contamination of drinking water supplies to cities. Approximately 5% of large cities rely on water that is composed primarily of runoff from non-pristine lands (e.g., agriculture, residential, industrial), while four-fifths of all large cities that withdraw surface water are exposed to treated wastewater in their supplies. © 2021, Battelle Memorial Institute.
语种英语
scopus关键词drinking water; city; comparative study; environmental monitoring; human; hydrology; prevention and control; procedures; theoretical model; United States; wastewater; water management; water pollution; water quality; water supply; Anthropogenic Effects; Cities; Drinking Water; Environmental Monitoring; Humans; Hydrology; Models, Theoretical; United States; Waste Water; Water Pollution; Water Purification; Water Quality; Water Supply
来源期刊Nature Communications (IF:11.878[JCR-2018],13.811[5-Year])
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/251287
作者单位Pacific Northwest National Laboratory, Richland, WA, United States; Baylor University, Waco, TX, United States; Kansas State University, Manhattan, KS, United States; Virginia Polytechnic Institute and State University, Blacksburg, VA, United States
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Turner S.W.D.,Rice J.S.,Nelson K.D.,et al. Comparison of potential drinking water source contamination across one hundred U.S. cities[J],2021,12(1).
APA Turner S.W.D..,Rice J.S..,Nelson K.D..,Vernon C.R..,McManamay R..,...&Marston L..(2021).Comparison of potential drinking water source contamination across one hundred U.S. cities.Nature Communications,12(1).
MLA Turner S.W.D.,et al."Comparison of potential drinking water source contamination across one hundred U.S. cities".Nature Communications 12.1(2021).
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