Major Relief Features Of Ocean Floor

Ocean relief features are divided into major and minor relief features.

Major relief features of ocean floor.

These relief features found on the ocean floor are called submarine relief. The continental shelf the continental slope the continental rise the deep sea plain or the abyssal plain. In 1807 president thomas jefferson established the u s. The ocean basins are broadly divided into four major subdivisions.

This website uses cookies to improve your experience. Oceanic land forms submarine relief there are mountains basins plateaus ridges canyons and trenches beneath the ocean water too. 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. Coast survey the predecessor to noaa to conduct hydrographic surveys and create nautical charts of the young nation s ports and waterways.

We ll assume you re ok with this but you can opt out if you wish. Minor relief features in the ocean floors. 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.

The large supply of terrigenous and shallow water sediments buries the irregular topography to form a generally flat relief. Major ocean relief features four major divisions in the ocean relief are. Mid oceanic ridges a mid oceanic ridge is composed of two chains of mountains separated by a large depression. Historically ships would take depth soundings by.

Ocean relief ocean relief is largely due to tectonic volcanic erosional and depositional processes and their interactions. Ocean floor topography involves the study of ocean bottom features including the outer continental shelf continental slopes and ocean waves desktops. Besides the major divisions there are also major and minor relief features in the ocean floors like. Ocean floor and its features geography notes for upsc.

Covering nearly 40 of the ocean floor the abyssal plains are present in all major oceans and several seas of the world. Continental shelf continental slope continental rise deep sea plain or abyssal plain oceanic deep oceanic ridge. The under water topography maps have been developed by.