BIO 102 - Climate & Biomes.docx - Climate is the average temp and precipitation in an environment over periods of time Not the same as weather

BIO 102 - Climate & Biomes.docx - Climate is the...

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Climate is the average temp and precipitation in an environment over periods of timeNot the same as weather; weather is what's happening outsideClimate:Uneven heating of earths surface by sunRotation of earth on its axisProperties of air water & land (and also man made structures)Ocean currents; simple one big body of water, one ocean, the "ocean conveyer." Top of water has warm currents and bottom of water has cold currentsCold salty water is heavier than warm fresh water.Global Ocean circulation appears to be collapsing due to a warming planetOcean circulation/ocean conveyer belt, is slowing; we do not know the impact it will have since we've only ever seen it completely stop (Ice Age).Humans Impacting ClimateResearchers said European colonizers killed so many Native Americans (56 million people in 100 years) that it changed the global climate. All the farm land the indigenous people maintained, went back to forests. Lowered carbon dioxide in environment by reforesting.Why is "downtown" the hottest part of a city?Absence of vegetationCars reducing carbonCars create more heatMore condensed populationsDark pavement absorbs more heatLouisville has one of the worst "urban heat islands" 10% of canopy cover downtownRain shadow effect
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  • Fall '08
  • Climate, Biomes

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