OCNG 251 Chapter Ch 1: Ch 1 Book
7 Sep 2016
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How are earth"s oceans unique: earth = only planet/moon in solar system with oceans of liquid water, saturn"s moon, titan, may be only other body in solar system to have stable liquid on its surface. How many oceans exist on earth: all oceans are interconnected, planet"s largest habitat; 97. 2% of all water on or near earth"s surface. The four principal oceans, plus one: pacific ocean. World"s largest; covers more than 1/3 of earth"s surface. Named by magellan because of the nice weather they encountered while sailing across it; paci = peace: atlantic ocean. Separates old world (europe, asia, africa) from new world (north and south america) Named after atlas, a titan in greek mythology: indian ocean. Named for its proximity to india: arctic ocean. ~7% of the size of the pacific; way more shallow than others. Permanent layer of sea ice at the surface. Named after its proximity to arctic region: southern ocean aka antarctic ocean.
