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Abstract
Although the Big Bend region of Florida's Gulf of Mexico coast is considered sediment-starved, the open marine marshes that characterize the area are keeping pace with sea level rise. Waccasassa Bay, an embayment within this region, also contains unique subtidal mudbanks that thicken with increasing proximity to embayment head, while the remainder of the bayfloor is characterized by exposed carbonate bedrock or by a thin veneer of sediment. Hydro- dynamic data sets were collected to determine the primary sedimentary processes within Waccasassa Bay capable of creating such geomorphic features. Data suggest that the embayment is a flood-dominated system influenced primarily by semi-diurnal tides with flood-stage intensification towards the river-mouth. Subtidal mudbanks are believed to be the result of tidal time-velocity asymmetries and the convergence of sediment transport pathways. Flood dominance for potential bedload transport suggests a gradual infilling of the bay interior for the short time scale of this study. With no mechanism for seaward transport, Waccasassa Bay can be considered a sediment sink for the remainder of the Big Bend re
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Sediment dynamics of a sediment-starved, open-marine marsh embayment: Waccasassa Bay, Florida |
| Series title | Journal of Coastal Research |
| Volume | 19 |
| Issue | 3 |
| Year Published | 2003 |
| Language | English |
| Publisher | Coastal Education & Research Foundation |
| Publisher location | Fort Lauderdale, FL |
| Contributing office(s) | Western Geographic Science Center |
| Description | 10 p. |
| First page | 574 |
| Last page | 583 |
| Country | United States |
| State | Florida |
| Other Geospatial | Waccasassa Bay |
| Google Analytic Metrics | Metrics page |