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Natural And Anthropogenic Influences On Flow Patterns And Sediment Characteristics In The Dona And Roberts Bay Estuarine System, Sarasota County, Florida, Kyle W. Kelso
USF Tampa Graduate Theses and Dissertations
The Dona and Roberts Bay watershed comprises one of the five major watersheds in Sarasota County, Florida. It is connected to the Gulf of Mexico via Venice Inlet. Like many estuaries in the Florida, significant modifications have been made to the drainage basins, principally to the main tributaries. The system has undergone several anthropogenic modifications to enhance water management efforts. Creeks that comprise fresh water input into the system have been dammed in order to inhibit the upstream flow of salt water during the dry season. They are also deepened or lengthened to allow for better drainage. In addition, biogenic …
The Case For High-Order, Pleistocene Sea-Level Fluctuations In Southwest Florida, Paul Octavius Knorr
The Case For High-Order, Pleistocene Sea-Level Fluctuations In Southwest Florida, Paul Octavius Knorr
USF Tampa Graduate Theses and Dissertations
Florida's Plio-Pleistocene strata record episodes of sea-level highstands. The age of the strata is often ambiguous as there are no consistently reliable dating techniques that can be unequivocally applied to many of the units. The lack of preservation of continuous Plio-Pleistocene sedimentary sequences is a consequence of Pleistocene mean sea-levels not flooding peninsular Florida, the low volume of sedimentary supply, and the lack of new accommodation space. This study investigates a 6 m cyclothem-type set of six shallow-marine shell beds separated by five subaerially exposed packstone beds. These strata are part of the biostratigraphically-defined early Pleistocene (1.1 --
1.6 Ma) …