Labeled Atlantic Ocean Floor Map

This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level.

Labeled atlantic ocean floor map. Accra dakar abidjan tangier. Crossing the ocean sea real atlantic islands pacific ocean wall map relief world map physical with frame 139 x 93cm maps. In 1922 a historic moment in cartography and oceanography occurred. This is expensive and time consuming so sonar maps are mostly only made of places where ships spend the most time.

Earth geology ocean floor image ocean floor wall map by geonova noaa ocean explorer education interactive 3 d seafloor map. Published today this is the most detailed map of the ocean floor ever produced using satellite imagery to show ridges and trenches of the earth s underwater surface even for areas which have. Ocean floor map labeled. Major ports and cities.

The uss stewart used a navy sonic depth finder to draw a continuous map across the bed of the atlantic. Typically finely wrought ocean maps have been the result of extensive sonar. 8 486 m 27 841 ft. 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.

18 1 the topography of the sea floor we examined the topography of the sea floor from the perspective of plate tectonics in chapter 10 but here we are going to take another look at the important features from an oceanographic perspective. 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. This involved little guesswork because the idea of sonar is straight forward with pulses being sent from the vessel which bounce off the ocean floor then return to the vessel. Mid ocean ridges are divergent boundaries where convection currents in the mantle lift the ocean floor and produce a rift in the lithosphere that follows the crest of the ridge.

Researchers have built a detailed map of the ocean floor s topography by using satellites to spot subtle watery lumps on the ocean s surface. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur.