Relief Features Of Ocean Floor
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Ocean relief features are divided into major and minor relief features.
Relief features of ocean floor. This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Given below is a survey of typical relief features of the ocean floor. This video examines the different types of features in the ocean primarily on the ocean floor. Ocean floor topography involves the study of ocean bottom features including the outer continental shelf continental slopes and ocean waves desktops.
This video examines the different types of features in the ocean primarily on the ocean floor. The oceanic relief features are in the form of mountains basins plateaus ridges canyons and trenches beneath the ocean water. Apart from the above mentioned major relief features of the ocean floor some minor but significant features predominate in different parts of the oceans. 3 1 gives the relief features.
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 floors can be divided into four major divisions and some minor relief features. The shelf is formed by the drowning of a. The mountain ranges can have peaks as high as 2 500 m and some even reach above.
This study is extensive and it has been established that the ocean floor has similar features of mountains and valleys as on the earth. 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. These forms are called submarine relief. Mid oceanic ridges a mid oceanic ridge is composed of two chains of mountains separated by a large depression.
Oceanic land forms submarine relief there are mountains basins plateaus ridges canyons and trenches beneath the ocean water too. In all about 7 5 of the total area of the oceans is covered by the continental shelves. This is a gentle seaward sloping surface extending from the coasts toward s the open sea. The continental shelf the continental slope the continental rise the deep sea plain or the abyssal plain.
Ocean relief ocean relief is largely due to tectonic volcanic erosional and depositional processes and their interactions. A number of major features of the basins depart. Major ocean relief features four major divisions in the ocean relief are. These relief features found on the ocean floor are called submarine relief.
Ocean basin any of several vast submarine regions that collectively cover nearly three quarters of earth s surface. The ocean basins are broadly divided into four major subdivisions.
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