Relief Features Of Ocean Floor

In all about 7 5 of the total area of the oceans is covered by the continental shelves. This video examines the different types of features in the ocean primarily on the ocean floor. This is a gentle seaward sloping surface extending from the coasts toward s the open sea.

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Ocean relief ocean relief is largely due to tectonic volcanic erosional and depositional processes and their interactions.

Relief features of ocean floor.

This study is extensive and it has been established that the ocean floor has similar features of mountains and valleys as on the earth. Mid oceanic ridges a mid oceanic ridge is composed of two chains of mountains separated by a large depression. The under water topography maps have been developed by the study of ocean floor topography. The mountain ranges can have peaks as high as 2 500 m and some even reach above.

The oceanic relief features are in the form of mountains basins plateaus ridges canyons and trenches beneath the ocean water. Ocean floor topography involves the study of ocean bottom features including the outer continental shelf continental slopes and ocean waves desktops. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur. 3 1 gives the relief features.

Apart from the above mentioned major relief features of the ocean floor some minor but significant features predominate in different parts of the oceans. These relief features found on the ocean floor are called submarine relief. This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Together they contain the overwhelming majority of all water on the planet and have an average depth of almost 4 km about 2 5 miles.

Ocean relief features are divided into major and minor relief features. The shelf is formed by the drowning of a. 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. The ocean basins are broadly divided into four major subdivisions.

The continental shelf the continental slope the continental rise the deep sea plain or the abyssal plain. The ocean floors can be divided into four major divisions and some minor relief features. Oceanic land forms submarine relief there are mountains basins plateaus ridges canyons and trenches beneath the ocean water too. This video examines the different types of features in the ocean primarily on the ocean floor.

Ocean basin any of several vast submarine regions that collectively cover nearly three quarters of earth s surface. These forms are called submarine relief. Given below is a survey of typical relief features of the ocean floor. Part of byju s ncert geography notes for upsc 2019.

Major ocean relief features four major divisions in the ocean relief are. A number of major features of the basins depart.

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