Chapter 13
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Created by:
MistySanders21 on August 25, 2009
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11 terms
Terms | Definitions |
|---|---|
 climate | long-term prevailing weather conditions at a particular place based upon records taken |
| latitude | the distance from the equator measured in degrees north or south of the equator |
| El Nino | name given to short-term periodic change in the location of warm and cold water masses in the Pacific Ocean |
| La Nina | when the water in the eastern Pacific Ocean is cooler than usual |
| ozone layer | area in the stratosphere where ozone is highly concentrated; absorbs UV rays from the sun |
| chloroflurocarbons | produced for the use in refrigeration and air conditioning. Major contributors to the depletion of the ozone layer |
| ozone hole | a thinning of stratospheric ozone that occurs over the poles during the spring |
| polar stratospheric clouds | high-altitude clouds made od water and nitric acid |
| greenhouse gases | gases that do not absord and radiate heat |
| global warming | an increase in the average temperature of the earth's atmosphere (especially a sustained increase that causes climatic changes) |
| Kyoto Protocol | requires developed countries to decrease emissions of carbon dioxide and other greenhouse gases by an average of 5 percent below the 1990 levels by 2012 |
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