Abstract: Extensive water withdrawal from Floridian aquifer in the urban Tampa Bay area has induced leakage from the overlying surficial aquifer adversely effecting the water table and lake levels. Artificial recharge could reduce the impact of these adverse effects. Four experiments were conducted to investigate possible recharge alternatives; sinkhole recharge, water-spreading, connector wells, and subsurface-tile drainage to a deep well. Experiments indicate that all four methods can be effective. However, the sinkhole recharge experiment moved the greatest potential for draining the surficial aquifer. Combinations of the four methods could be used where potential exists for downward movement of water and sufficient unsaturated aquifer for water storage.
Purpose and scope: The objectives of this investigation were to describe the hydrology and geology of six landfill sites and to determine, when possible, changes in water levels due to landfill operations, the direction and extent of leachate movement, and changes in water quality in the surficial aquifer and the Floridian aquifer. The scope of this report is to evaluate pertinent data and results from six landfill site studies that have been conducted in Hillsborough County since 1969.
This report proposes three locations in two Florida counties "for regional monitoring of the effects of subsurface injection" on freshwater resources: Pinellas County and Hillsborough County. It contains a table, maps, and graphs.
From introduction: The purpose of this report is to show how hydrology and geology are applied in evaluating landfill sites in west-central Florida, and to illustrate a land disposal method of handling solid waste.
From Abstract: "The mineral constituents of churn drill cuttings from a well through the Bone Valley formation and into the Hawthorn formation were determined. The weight percent of each mineral is given, as well as a description of the samples and the methods used."
From analysis: "Data on streamflow, tide stage, specific conductance, and chloride concentrations were collected in the Alafia River and Bullfrog Creek to describe the salinity and physical characteristics of the saltwater wedge." It contains maps, graphs, and tables.
From abstract: Investigations of the land-pebble phosphate deposits of Florida by the Geological Survey began in November 1947. This report presents the computation of reserves of phosphate rock in the northern part of the district.
From introduction: The purpose of this study is to define causes of sinkhole development in an area north of Tampa (Florida) (fig. 1), particularly the relation of geology, hydrology, and hydrologic changes to the type and severity of subsidence or collapse.
The following report presents the results of part of a geologic study of the phosphate deposits in central Florida. The purpose of the investigative research done in Florida is to determine the geologic history of the phosphate deposits and associated sediments, in order that the distribution of phosphate and uranium will be more clearly understood.
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