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Nearshore Single-Beam Bathymetry Data: Madeira Beach, Florida, February 2022

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: October 03, 2026 at 03:19 AM | Dataset Last Updated: September 29, 2026 at 12:00 AM
In February 2022, the U.S. Geological Survey Saint Petersburg Coastal and Marine Science Center (USGS SPCMSC) conducted multibeam and single-beam bathymetric surveys of the nearshore waters off of Madeira Beach, Florida (FL). These data were collected as part of a regional study designed to better understand coastal processes on barrier islands and sandy beaches. Results from this study will be incorporated with observations from other regional studies in order to validate operational water level and coastal change hazards models being expanded nationwide. Madeira Beach is located on one of eleven barrier islands in Pinellas County in west-central Florida along the Gulf of America (Gulf of Mexico). These barrier islands support highly developed and densely populated coastal communities, comprised of local residents, year-round tourist population, and undeveloped natural habitats within local and state parks. A measure of the nearshore bathymetry is useful for better understanding the interaction of the hydrodynamics and morphodynamics offshore and in the surf zone that ultimately control the beach response. The metadata record associated with this USGS data release provides processed single-beam bathymetry (SBES) data collected under USGS Field activity Number (FAN) 2022-306-FA. This FAN has a subFAN representing the SBES research vessel: the RV Shark (22BIM01). The point data (xyz) are provided in two datums: 1) World Geodetic System of 1984 realization G2139 (WGS84 [G2139]) and ellipsoid height; and 2) the North American Datum of 1983 (NAD83) for the horizontal and the North American Vertical Datum of 1988 (NAVD88) with respect to GEOID12B for the vertical. Additional files include a single-beam trackline shapefile, and a 20-meter (m) resolution single-beam digital elevation model (DEM, .tif).

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