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首页> 美国政府科技报告 >Shore Erosion as a Sediment Source to the Tidal Potomac River, Maryland and Virginia. A Water-Quality Study of the Tidal Potomac River and Estuary.
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Shore Erosion as a Sediment Source to the Tidal Potomac River, Maryland and Virginia. A Water-Quality Study of the Tidal Potomac River and Estuary.

机译：岸边侵蚀作为潮汐来源于潮汐波托马克河，马里兰州和弗吉尼亚州。潮汐波托马克河与河口水质研究。

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In response to an increasing awareness of the importance and delicate ecological balance of tidal rivers and estuaries, the U.S. Geological Survey began a 5-year interdisciplinary study of the tidal Potomac River and Estuary in October of 1977. The study encompassed elements of both the Water Resources Division's ongoing Research and River Quality Assessment Programs. The Division has been conducting research on various elements of the hydrologic cycle since 1894 and began intense investigation of estuarine processes in San Francisco Bay in 1968. The River Quality Assessment program began in 1973 at the suggestion of the Advisory Committee on Water Data for Public Use which saw a special need to develop suitable information for river-basin planning and water-quality management. The Potomac assessment was the first to focus on a tidal river and estuary. In addition to conducting research into the processes governing water-quality conditions in tidal rivers and estuaries, the ultimate goals of the Potomac Estuary Study were to aid water-quality management decision-making for the Potomac, and to provide other groups with a rational and well-documented general approach for the study of tidal rivers and estuaries. This interdisciplinary effort emphasized studies of the transport of the major nutrient species and of suspended sediment. The movement of these substances through five major reaches or control volumes of the tidal Potomac River and Estuary was determined during 1980 and 1981.

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