Major Relief Features Of Ocean Floor

Ocean floor topography involves the study of ocean bottom features including the outer continental shelf continental slopes and ocean waves desktops.

Major relief features of ocean floor.

They are uniquely flat with a gradient of less than 10 000. Oceanic land forms submarine relief there are mountains basins plateaus ridges canyons and trenches beneath the ocean water too. Ocean relief features are divided into major and minor relief features. Mid oceanic ridges a mid oceanic ridge is composed of two chains of mountains separated by a large depression.

The continental shelf the continental slope the continental rise the deep sea plain or the abyssal plain. Minor relief features in the ocean floors. This website uses cookies to improve your experience. Coast survey the predecessor to noaa to conduct hydrographic surveys and create nautical charts of the young nation s ports and waterways.

The large supply of terrigenous and shallow water sediments buries the irregular topography to form a generally flat relief. We ll assume you re ok with this but you can opt out if you wish. These relief features found on the ocean floor are called submarine relief. This study is extensive and it has been established that the ocean floor has similar features of mountains and valleys as on the earth.

Historically ships would take depth soundings by. Continental shelf continental slope continental rise deep sea plain or abyssal plain oceanic deep oceanic ridge. Apart from the above mentioned major relief features of the ocean floor some minor but significant features predominate in different parts of the oceans. Hydrography is the science that measures and describes the physical features of bodies of water and the surrounding land.

Covering nearly 40 of the ocean floor the abyssal plains are present in all major oceans and several seas of the world. In 1807 president thomas jefferson established the u s. Ocean floor and its features geography notes for upsc. Minor relief of the ocean floor upsc notes download pdf here check byju s free ias preparation for more ncert geography notes and news on upsc civil services ias exam upsc books list pdf download pdf here.

The under water topography maps have been developed by. Major ocean relief features four major divisions in the ocean relief are. Ocean relief ocean relief is largely due to tectonic volcanic erosional and depositional processes and their interactions.