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Pennsylvanian and Mississippian Aquifers of the Appalachian Plateaus Science Center Objects
The Appalachian Plateaus region occupies approximately 86,000 square miles in portions of Alabama, Georgia, Kentucky, Maryland, Ohio, Pennsylvania, Tennessee, Virginia, and West Virginia. Aquifers in this region consist of alternating sequences of fractured sandstone, siltstone, shale, limestone, and coal in Permian-, Pennsylvanian-, and Mississippian-age rock formations.
A regional Soil-Water-Balance model was constructed for a 160,000-square-mile study area that extended to the topographic divide of all streams originating outside but flowing into areas underlain by Appalachian Plateaus aquifers. The model incorporated soil, landscape, and climate variables to estimate the water budget for the 32-year period from 1980 to 2011.
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