Atlantic Ocean topographic map
Interactive map
Click on the map to display elevation.
About this map
Name: Atlantic Ocean topographic map, elevation, terrain.
Location: Atlantic Ocean (13.58187 -38.32036 13.58197 -38.32026)
Average elevation: 0 m
Minimum elevation: 0 m
Maximum elevation: 0 m
In 1922, a historic moment in cartography and oceanography occurred. The USS Stewart used a Navy Sonic Depth Finder to draw a continuous map across the bed of the Atlantic. This involved little guesswork because the idea of sonar is straightforward with pulses being sent from the vessel, which bounce off the ocean floor, then return to the vessel. The deep ocean floor is thought to be fairly flat with occasional deeps, abyssal plains, trenches, seamounts, basins, plateaus, canyons, and some guyots. Various shelves along the margins of the continents constitute about 11% of the bottom topography with few deep channels cut across the continental rise.
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