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OCean 9 Notes - OCEAN 9 CIRCULATION OF OCEAN West Wind...

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OCEAN 9 CIRCULATION OF OCEAN West Wind Drift – Current driven by powerful westerly winds north of Antarctica. Largest of all ocean currents, continues permanently eastward w/o changing direction. Ant. Circumpolar Current PG 238, 242, 261 Gyres – Circuit of mid latitude currents around the periphery of an ocean basin. Most oceanographers recognize five gyres plus the Antarctic Circumpolar Current PG 244, 261 235 238 240 Eddies – Circular movement of water usually formed where currents pass obstructions, or b/w 2 adjacent currents flowing in opposite directions, or along edge of a permanent current PG 241 260 Thermohaline Circulation – Water circulation produced by differences in temperature and/or salinity (density) PG 234 263 Western boundary Currents – Strong, warm, concentrated, fast moving current at western boundary of an ocean (off east coast of a continent) examples are Gulf Stream & Japan (Kuroshio) Current PG 240-2 261 244 Coriolis and Currents Coastal/Equatorial upwelling
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