Saltwater Intrusion in a Highly Transmissive Unconfined Aquifer

by Bradley G. Waller, US Geological Survey, Miami, FL, USA,



Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution

Abstract:

Saltwater intrusion is particularly dynamic in coastal Dade County because of the high permeability of the Biscayne aquifer, because of the good interconnection between canals and the aquifer, and because of the seasonal rainfall. The problem is accentuated as urban growth continues to encroach on inland wetland areas which results in lowered inland water levels. This lowering reduces the seaward freshwater hydraulic gradient and the freshwater head at the coast, both of which govern the intrusion of saltwater.

Subject Headings: Salt water intrusion | Water resources | Hydraulic gradients | Wetlands (coastal) | Salt water | Municipal water | Water level

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