In accordance with SO #3423 - The Gulf of America and SO #3424 - Mount McKinley and Landmarks Honoring the Alaskan People, new USGS data releases specific to those named places will utilize the new name Gulf of America and the restored name Mount McKinley. Per USGS practice, historical data will retain the name of the geographic features as they were known at the time the data were originally released.
Data Release
Nearshore Multibeam and Single-beam Bathymetry Data: Madeira Beach, Florida, February 2017
By Nancy T. DeWitt,1 Joseph J. Fredericks,2 Chelsea A. Stalk,1 B.J. Reynolds,1 Kyle W. Kelso,1 Dave M. Thompson,1 Andrew S. Farmer,1 and Jenna A. Brown1
1 U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center
2 Formerly U.S. Geological Survey
Summary
In February 2017, the United States Geological Survey Saint Petersburg Coastal and Marine Science Center (USGS SPCMSC) conducted multibeam and single-beam bathymetric surveys of the nearshore waters off the coast of Madeira Beach, Florida. 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 Mexico. These barrier islands support highly developed and densely populated coastal communities, 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.
This USGS data release provides processed multibeam bathymetry (MBES) and processed single-beam bathymetry (SBES) data collected under the USGS field activity number (FAN) 2017-305-FA. This FAN has four subFANs, each representing one survey research vessel (RV): the RV Sallenger (17TST01), the RV Jabba Jaw (17TST02), the RV Shark (17TST03), and the RV Chum (17TST04). The point data (x,y,z) are provided in two datums: 1) the International Reference Frame of 2008 (ITRF08) and ellipsoid height; and 2) the North American Datum 1983 in the CORS96 realization (NAD83 (CORS96)) for the horizontal, and the North American Vertical Datum 1988 (NAVD88) with respect to GEOID12B for the vertical. Additional files include a single-beam trackline shapefile (.shp), and a 20-meter cell size single-beam digital elevation model (DEM, .tif). For further information regarding data collection and/or processing please see the metadata associated with this data release.
Data
| File Name and Description | Metadata (XML format) | Metadata (text format) | Download File |
|---|---|---|---|
| Madeira_Beach_2017_MBES_1m_xyz.zip Processed elevation point data (xyz) as derived from a 1-meter grid provided in both WGS84 (ITRF08) ellipsoid and NAD83 NAVD88 GEOID12B (.xyz) |
Madeira_Beach_2017_ MBES_1m_xyz_metadata.xml |
Madeira_Beach_2017_ MBES_1m_xyz_metadata.txt |
Madeira_Beach_2017_ MBES_1m_xyz.zip (195 MB) |
| Madeira_Beach_2017_SBES_xyz.zip Processed elevation point data (xyz) provided in both WGS84 (ITRF08) ellipsoid and NAD83 NAVD88 GEOID12B (.xyz) |
Madeira_Beach_2017_ SBES_xyz_metadata.xml |
Madeira_Beach_2017_ SBES_xyz_metadata.txt |
Madeira_Beach_2017_ SBES_xyz.zip (48.8 MB) |
| Madeira_Beach_2017_SBES_20m_DEM.zip Single-beam bathymetry DEM, 20-m cell size, in WGS84 (ITRF08) (.tif) |
Same as above | Same as above | Madeira_Beach_2017_ SBES_20m_DEM.zip (138.0 KB) |
| Madeira_Beach_2017_SBES_tracklines.zip Single-beam trackline shapefile in WGS84 (ITRF08) |
Same as above | Same as above | Madeira_Beach_2017_ SBES_tracklines.zip (10.8 MB) |
Figure 1. Location map for the 2017 Madeira Beach, Florida, survey which incorporates single-beam bathymetry data (left) represented as a 20-meter cell size gridded DEM product, and multibeam bathymetry (right). Elevations are in WGS84 (ITRF08) ellipsoid height, not water depth. Background image obtained from Esri’s World Imagery basemap. These data should not be used for navigational purposes.
Suggested Citation
DeWitt, N.T., Fredericks, J.J., Stalk, C.A., Reynolds, B.J., Kelso, K.W., Thompson, D.M., Farmer, A.S., and Brown, J.A., 2024, Nearshore multibeam and single-beam bathymetry data: Madeira Beach, Florida, February 2017: U.S. Geological Survey data release, https://doi.org/10.5066/P9Y7R8NS.