Bathymetric surveys allow us to measure the depth of a water body as well as map the underwater features of a water body. Geological survey, in cooperation with the missouri department of transportation, near 8 bridges at 7 highway crossings of the missouri river in kansas city, missouri, from june 2 to 4, 2015. The usgs has made bathymetric surveys for many coastal areas and for selected rivers and lakes in the u. Other bathymetry resources northeast ocean data portal. Bathymetric and velocimetric data were collected by the u. Gebcos gridded bathymetric data sets are global terrain models for ocean and land. A multibeam echosounder mapping system was used to obtain channelbed elevations for river. Depthtobasement, sedimentthickness, and bathymetry data. Colored shadedrelief bathymetry, acoustic backscatter. Bathymetry and global relief noaa national geophysical data.
Available from the usgs coastal and marine geology program is geologic. An interactive map providing discovery, descriptions, and download capability for bathymetric survey data and digital elevation models. Noaa point soundings noaa main bathymetry site usgs bathymetry portal global multiresolution topography data portal dems on. Noaas national centers for environmental information ncei compiles bathymetry, topography, relief, and elevation models. An interactive map interface to bathymetry data for the united states is hosted by. Noaas national geophysical data center ngdc is building highresolution digital elevation models dems for select u. Bathymetric data viewer maps and geospatial products noaa. Gridded bathymetry data general bathymetric chart of the. Maps and gis data are available for digital download. Contours and derivative raster files of depthtobasement, sedimentthickness, and bathymetry data for the area offshore of washington, oregon, and california are provided here as gisready shapefiles and geotiff files.
Federal source for scientific information needed by managers, decision makers, and the public to protect, enhance, and restore the ecosystems in the upper mississippi river basin, the midwest, and worldwide. Location and coverage of noaa national ocean service nos hydrographic surveys in u. Multiple methods can be used for bathymetric surveys including multibeam and singlebeam surveys, adcps, subbottom profilers, and the ecomapper autonomous underwater vehicle. The topographic maps and geographical information system gis data provided in the national map are pregenerated into downloadable products often available in multiple formats. The multibeam bathymetry database mbbdb at ncei collects and archives multibeam data from the earliest commercial installations circa 1980 through todays modern highresolution collections. Two gebco gridded bathymetric data sets, maintained and distributed by bodc, are available to download as netcdf files. Ship tracks of multibeam bathymetric surveys archived at noaa ncei.