Cartoon Topographic Profile Of The Atlantic Ocean Floor Between South America And Africa

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Cartoon topographic profile of the atlantic ocean floor between south america and africa. Zoom in enough to see that although the ridge is a topographic high it also has a valley the rift valley running along the middle of it. This image of south america was generated with data from the shuttle radar topography mission srtm. The deep ocean floor is thought to be fairly flat with occasional deeps abyssal plains trenches seamounts basins plateaus canyons and some guyots. This map is centred on the atlantic with north and south america at left and africa at right.

Zoom in enough to see that although the ridge is a topographic high it also has a valley the rift valley running along the middle of it. 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. Scan around to see the ocean ridges in the indian pacific and southern oceans. South america africa atlantic ocean 9.

In the space below complete the topographic profile of the atlantic ocean floor between south america and africa. The data were then resampled to a mercator projection with. Complete the topographic profile of the atlantic ocean floor between south america and a frica. In the space below complete the topographic profile of the atlantic ocean floor between south america and africa.

For this broad view the resolution of the data was first reduced to 30 arcseconds about 928 meters north south but variable east west matching the best previously existing global digital topographic data set called gtopo30. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. In the space below complete the topographic profile of the atlantic ocean floor between south america and africa you can also just look one up on google and copy and paste it here. This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level.

Points a b and x represent locations on the ocean floor. In the space below. Estimate the age of the ocean floor bedrock at point x. The map shows a portion of the atlantic ocean floor between south america and africa.

If the earth s lowest spots aren t in the middle of the ocean where are they. The seabed depth varies from shallow light blue on the continental shelves to deep ocean basins dark blue. Isolines show the approximate age in million years of the ocean floor bedrock on each side of the mid atlantic ridge. Focus on the west coast of south america and in the space below complete the topographic profile of the pacific ocean floor from south america westward about 600 miles 1000 km.

Various shelves along the margins of the continents constitute about 11 of the bottom topography with few deep channels cut across the continental rise.