Seafloor Elevation Map
A computer enhanced multibeam bathymetry map of the northwestern and northern gulf of mexico continental shelf and slope.
Seafloor elevation map. California state waters map series see web site. This product is intended to aid fishermen and those needing seafloor features and potential fishing grounds. Crater lake images data movie poster cd rom. The colors on this reflectivity map describe the hardness of the seafloor surface.
Columbia river mouth data. Library of congress geography and map division. This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Bathymetric map ocean depth.
Map of the northern gulf of mexico showing the nearly 4 000 active oil and gas platforms. This image was generated by noaa from digital data bases of land and sea floor elevations on a 2 minute latitude longitude grid 1 minute of latitude 1 nautical mile or 1 853 km. These were only sensitive enough to see the gravitational lumps caused by relatively. Deep sea basins washington oregon and california report and data.
Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet. Channel islands images data. Elwha river bathymetry and acoustic backscatter 2010. Assumed illumination is from the west.
Sea level rise map. California seafloor mapping program central oregon data. Flood map shows the map of the area which could get flooded if the water level rises to a particular elevation. A marine gravity map of the north atlantic ocean red dots show locations of earthquakes with magnitude 5 5 and they highlight the present day location of the seafloor spreading ridges and.
Shading is computed as a function of the east west slope of the surface with a nonlinear exaggeration favoring low relief areas. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. Bathymetric and fishing maps viewer. Effect of global warming and climate change.
Navy and other sources. In the 1950s marie tharp and bruce heezen of what was then called the lamont geological observatory began creating seafloor maps based on single beam sounding data from the u s. Seafloor gravity maps aren t entirely new but until recently relied solely on data from older satellites.