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Ocean Dimensions, Shapes, and Bottom Materials: A Look at Major Ocean Basins, Study Guides, Projects, Research of Earth Sciences

Indian Institute of ScienceEarth Sciences

This lecture note from the indian institute of science education and research, bhopal, provides an overview of oceanography, focusing on the dimensions, shapes, and bottom materials of major ocean basins. The pacific, atlantic, and indian oceans, discussing their meridional boundaries, surface areas, and percentages of the earth's total surface area. Additionally, it touches upon ocean topographic features and their controlling factors.

Typology: Study Guides, Projects, Research

2018/2019

Uploaded on 10/28/2019

utkarsha-pande
utkarsha-pande 🇮🇳

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Lecture 1:
Oceanography
Department of Earth and Environmental Sciences,
Indian Institute of Science Education and Research,
Bhopal
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Lecture 1:

Oceanography

Department of Earth and Environmental Sciences,

Indian Institute of Science Education and Research,

Bhopal

Ocean dimensions, shapes, and bottom materials

  • Oceanic/Sea basins are generally depressions in earth’s

surface containing saline water.

  • Sea may be completely land locked or marginal basin or

portion of an oceanic basin adjacent to continents/islands but

characterized by distinguished hydrographic properties

Major Ocean Meridional boundary Surface area (km 2 ) Pacific 120°E - 70°W 181.34 x 10 6 Atlantic 70°W - 20°E 106.57 x 10 6 Indian 20°E - 120°E 74.12 x 10^6 Global 361.254 x 10^6

Ocean dimensions, shapes, and bottom materials

  • Elevation and depression in earth surface Area (%) Cumulative area (%) Land ~29 %

Ocean topographic features and their controls