Simulation of ground-water flow in the Intermediate and Floridan aquifer systems in Peninsular Florida
Water-Resources Investigations Report
2002-4009
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Abstract
A numerical model of the intermediate and Floridan aquifer systems in peninsular Florida was used to (1) test and refine the conceptual understanding of the regional ground-water flow system; (2) develop a data base to support subregional ground-water flow modeling; and (3) evaluate effects of projected 2020 ground-water withdrawals on ground-water levels. The four-layer model was based on the computer code MODFLOW-96, developed by the U.S. Geological Survey. The top layer consists of specified-head cells simulating the surficial aquifer system as a source-sink layer. The second layer simulates the intermediate aquifer system in southwest Florida and the intermediate confining unit where it is present. The third and fourth layers simulate the Upper and Lower Floridan aquifers, respectively. Steady-state ground-water flow conditions were approximated for time-averaged hydrologic conditions from August 1993 through July 1994 (1993-94). This period was selected based on data from Upper Floridan a quifer wells equipped with continuous water-level recorders. The grid used for the ground-water flow model was uniform and composed of square 5,000-foot cells, with 210 columns and 300 rows.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Simulation of ground-water flow in the Intermediate and Floridan aquifer systems in Peninsular Florida |
| Series title | Water-Resources Investigations Report |
| Series number | 2002-4009 |
| DOI | 10.3133/wri024009 |
| Edition | - |
| Year Published | 2002 |
| Language | ENGLISH |
| Description | viii, 130 p. : col. ill., col. maps ; 28 cm. |
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