OCS 1005 : Oceanography Exam 1
15 Mar 2019
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Document Summary
Earth blue planet : 70. 78% of the earth is covered by water. Water is heavy: every 10m in depth corresponds to 1 kg/cm^2 (14. 22 pounds/in^2) in pressure, at the known deepest spot on the ocean bottom (mariana trench), pressure would be 1. 1 ton/cm^2 (7. 82 ton/in^2) James cameron completes record-breaking mariana trench dive: the first human to reach the 6. 8 mile-deep (11-kilometer-deep) undersea valley solo. 97. 22 is ocean water and 2. 78% is fresh water. How much percentage of the earth"s surface is covered by land: 30% The distribution of land and ocean in the northern and southern hemispheres. Most of the land located in the n. h. Characteristics of the world oceans: average depth: 3,796, (12,451 feet, deepest spot: mariana trench 11,002m (36,163 feet) (highest spot on land: (average land elevation: 840m (2,772 feet) Everest 8848m (29,028 feet: average temperature: 3. 9c (39f, average salinity (amount of salt): 3. 4, age: about 4 billion years.
