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| Saltwater Intrusion |
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| Vertical movement of saline water in the Floridan aquifer system. |
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Fractures and other structural deformities in the Floridan aquifer system provide a hydraulic connection between the upper, freshwater zones and deeper, saline-water zones. Saline water flows upward through the nearly vertical structural features in response to ground-water pumping from the uppermost aquifer. (Figure modified from Spechler, R.M., 1994, Saltwater intrusion and quality of water in the Floridan Aquifer system, northeastern Florida: U.S. Geological Survey Water-Resources Investigations Report 92-4174, 76 p.) |
| Figure 2 -- Ground-water flow patterns in an idealized aquifer |
| Figure 3 -- Zone of dispersion in the Biscayne aquifer |
| Figure 4 -- Vertical movement (upconing) at a discharging well |
| Figure 5 -- Vertical movement of saline water in the Floridan aquifer system |
| For more Information, Contact |
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Paul Barlow, Coordinator Atlantic Coastal Zone Assessment U.S. Geological Survey 10 Bearfoot Road Northborough, MA 01532 (508) 490-5070 |
| pbarlow@usgs.gov |
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