Major Relief Features Of Ocean Floor

The continental shelf the continental slope the continental rise the deep sea plain or the abyssal plain.

Major relief features of ocean floor.

The under water topography maps have been developed by. Hydrography is the science that measures and describes the physical features of bodies of water and the surrounding land. Ocean relief ocean relief is largely due to tectonic volcanic erosional and depositional processes and their interactions. Ocean relief features are divided into major and minor relief features.

These relief features found on the ocean floor are called submarine relief. Apart from the above mentioned major relief features of the ocean floor some minor but significant features predominate in different parts of the oceans. Oceanic land forms submarine relief there are mountains basins plateaus ridges canyons and trenches beneath the ocean water too. Historically ships would take depth soundings by.

They are uniquely flat with a gradient of less than 10 000. Besides the major divisions there are also major and minor relief features in the ocean floors like. Coast survey the predecessor to noaa to conduct hydrographic surveys and create nautical charts of the young nation s ports and waterways. 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. This website uses cookies to improve your experience. Major ocean relief features four major divisions in the ocean relief are. We ll assume you re ok with this but you can opt out if you wish.

The large supply of terrigenous and shallow water sediments buries the irregular topography to form a generally flat relief. Minor relief features in the ocean floors. The ocean basins are broadly divided into four major subdivisions. 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.

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