Global land and sea floor topography. Computer map of the topography of the world and its coastal and inland regions. The map includes colour-coding of land cover,including vegetation (green),dry areas (brown),high mountains (dark brown),and snow and ice (white). On the ocean floors,prominent features include the spreading mid-ocean ridges in the Atlantic,Pacific and Indian oceans. Subduction trenches are dark blue,and continental shelves are light blue. This map,using the ETOPO-1 dataset,was produced by the National Geophysical Data Center of the National Oceanic and Atmospheric Administration (NOAA).<br>Restrictions: |