Ocean Floor Configuration Upsc
Hence the names blue planet or water planet.
Ocean floor configuration upsc. Earth has an abundance of water and around 70 of our planet is covered by it. It occupies nearly 14 per cent of the area of the surface of the earth. Download isa notes pdf here. The ocean floor seabed sea floor is the bottom of the ocean.
Like on dryland ocean also contains landforms like mountains plateaus ridges basins canyons and trenches. The ocean is surrounded on three sides east north and west by the continents and island. Now let s see how to learn fast the concepts associated with hydrosphere. They include the continental.
It is also termed as ocean floor spreading. The bottom configuration of the indian ocean. At first block mountains are formed. Earth the water planet we know that our earth is the only planet in the solar system.
Deep beneath the continental plate a column of heated mantle rock begins to rise and reach the plate above causing the plate to fracture which is called continental rupture. Hope you have gone through our easy to learn notes covering important land features. 200 m deep continental shelf is thus a shallow platform whose width varies greatly from a few miles in north pacific off the continent of north america to over 100 miles. For upsc 2020 preparation follow byju s.
Hydrosphere ocean floor division ocean floor division continental self basically the seaward extension of the continent from the shoreline to the continental edge approx. Ocean relief ocean relief is largely due to tectonic volcanic erosional and depositional processes and their interactions. Let s start from ocean floor first. These divisions are continental margins deep sea basins and mid ocean ridges.
Major ocean relief features four major divisions in the ocean relief are. International seabed authority was formed on 16th november 1994 as an intergovernmental body under the united nations convention on the law of the sea unclos. This article talks about the divisions of the ocean floors. These notes will also be useful for other competitive exams like banking po ssc state civil services exams and so on.
The ocean floor may be segmented into three major divisions based on the depth as well as the forms of relief. The indian ocean covers an area of 74 million sq. Ncert notes on important topics for the upsc civil services exam. Geography is an interesting subject which covers land lithosphere water hydrosphere and air atmosphere.
The continental shelf of the indian ocean is narrow.