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首页> 美国政府科技报告 >Potentiometric Surface and Water-Level Difference Maps of Selected Confined Aquifers of Southern Maryland and Maryland's Eastern Shore, 1975-2013.
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Potentiometric Surface and Water-Level Difference Maps of Selected Confined Aquifers of Southern Maryland and Maryland's Eastern Shore, 1975-2013.

机译：1975 - 2013年马里兰州南部和马里兰州东海岸选定承压含水层的电位表面和水位差异图。

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The purpose of this report is to assess the regional effects of groundwater withdrawals on water levels in Southern Maryland and Maryland’s Eastern Shore. This report presents potentiometric surface maps for the Aquia and Magothy aquifers and the Upper Patapsco, Lower Patapsco, and Patuxent aquifer systems for September 2013. The potentiometric surface maps in this report are meant to represent groundwater levels and withdrawal amounts at an instant in time. The water-level measurements were actually made over a period of approximately one month and may reflect short-term variations in water levels throughout the study area, related primarily to short-term changes in withdrawal rates. This report also presents waterlevel difference maps for the Aquia aquifer (1982- 2013), the Magothy aquifer (1975-2013), and the Upper and Lower Patapsco aquifer systems (1990- 2013). The water-level difference maps represent the change in potentiometric surfaces over time.

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