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•! Solar energy = consistent global patterns
•! Land and sea formations = consistent regional patterns
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•! Seasons=consistent yearly variation •! Night/day= consistent diurnal
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•! global circulation –! winds –! oceans
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El Niño-Southern Oscillation
Under average conditions the trade winds blow from east to west across the tropical Pacific. This allows warm water to pile up in the western Pacific while upwelling of colder water occurs in the eastern Pacific.
Under average conditions the trade winds blow from east to west across the tropical Pacific. This allows warm water to pile up in the western Pacific while upwelling of colder water occurs in the eastern Pacific.
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•! Global climate –! differential input of solar irradiation –! in different regions and –! redistribution of energy by winds and ocean currents.
•! Seasonality –! latitudinal movement of the solar equator.
•! El Niño-Southern Oscillation •! Topography •! Soil