Water resources and data-network assessment of the Manasota Basin, Manatee and Sarasota Counties, Florida
Water-Resources Investigations Report
82-37
By: David P. Brown
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Abstract
The average annual rainfall in the Manasota Basin is 53.7 inches , and annual evapotranspiration is about 39 inches. Annual runoff from gaged parts of the Basin ranges from about 13 to 17 inches per year. Streamflow in the upland areas diminishes rapidly following the end of the rainy season and approaches zero during extended dry periods. Generally, surface water is of good quality except in tidally affected, coastal areas. Its quality varies seasonally, generally becoming more mineralized during the dry season. The principal hydrogeologic units are the surficial aquifer, the upper confining beds and minor artesian aquifers, the Floridan acquifer, and the lower confining bed. The quality of ground water is generally good except in the western and southern parts where saltwater intrusion or incomplete flushing of residual seawater has occurred. Land-use changes and stream impoundments and diversions require reassessment of the type and use of data collected by the surface-water network. Such changes may require modification of existing sites and establishment of new ones. Development and completion of the monitoring plan could provide most of the data necessary to define the groundwater system. (USGS)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Water resources and data-network assessment of the Manasota Basin, Manatee and Sarasota Counties, Florida |
| Series title | Water-Resources Investigations Report |
| Series number | 82-37 |
| DOI | 10.3133/wri8237 |
| Edition | - |
| Year Published | 1982 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, Water Resources Division, |
| Description | vi, 80 p. :ill., maps ;28 cm. |
| Google Analytic Metrics | Metrics page |