|Tampa Bay Topographic/Bathymetric Digital Elevation Model
|In this joint demonstration project for the Tampa Bay region, NOAA’s National Ocean
Service (NOS) and the U.S. Geological Survey (USGS) have merged NOAA bathymetric and
USGS topographic data sets into a hybrid digital elevation model (DEM) with all data
initially referenced to the ellipsoid, but transformable to any of 28 orthometric,
3-D, or tidal datums.