ZOL 355 Lecture 7 Outline of Last Lecture I Solar Equator II Climate Change III Winds a ITCZ intertropic convergent zone Outline of Current Lecture II Oceans and heat transfer a Gyres b Currents III Hurricanes a Evaporation b Condensation c Islands d Wetlands Current Lecture I Oceans and Heat Transfer a There is a constant need for heat distribution because there is a surplus of heat at the equator b Without this heat distribution there would be such a build up of heat that the organisms would suffer even though this distribution only lowers the temperature a few degrees c Gyres i Large scale circular currents ii Each gyre has many currents i e a N S E and W to keep it circular d Currents i Driven by 1 global winds NE SE trade winds and Westerlies 2 Density differences dense water sinks 3 Continents water hits them and diverges ii Kuroshio N Pacific California Gulf N Atlantic Canary and N Equatorial e This circulation mediates climates and prevents equatorial ocean heat build up II Hurricanes and heat transfer a Evaporation i As hurricanes are over water they evaporate in the warm areas taking warm water and thus cooling that area b Condensation i They then take that heat and distribute it over land c Islands i Barriers that help prevent land erosion d Wetlands i 1ft reduction 1 5miles of wetland
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