lecture2_3_deep_ocean_circulation_posted

lecture2_3_deep_ocean_circulation_posted - GEO 106 Earth...

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GEO 106 DSM Lecture 2-3 GEO 106 Earth Systems Science II Global Climate Change Lecture 2-3 – Deep Ocean Circulation Readings: Chapter 5, 96-107
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GEO 106 DSM Lecture 2-3 Important Concepts: Deep ocean circulation is formed because denser water sinks and displaces other water In general, surface waters and deep waters don’t mix Major sources of deep water in far north Atlantic and Weddell Sea, Antarctica Transport of water takes a long time and acts as a buffer of climate change Responsible for considerable warming in N. Atlantic
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GEO 106 DSM Lecture 2-3 Ocean Salinity a) saline means… i) on average 3.5%. .. ii) extra weight… b) salts concentrate in… i) water dissolves… rivers bring 4 billion tons… ii) evaporation of… iii) freezing of… c) oceans ever-saltier? i) removal by… ii) balanced over millions…
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GEO 106 DSM Lecture 2-3 Spatial variations in salinity Source: NASA JPL
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DSM Lecture 2-3 Spatial variations in salinity d) spatial variation… i) variations in salt inputs…
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lecture2_3_deep_ocean_circulation_posted - GEO 106 Earth...

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