chapter 18 terms

chapter 18 terms - Proxy indicators types of indirect...

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Adam Samaan Chapter 18 Terms Global climate change- changes in Earth’s climate involving temperature and storm frequency/intensity Greenhouse gases- gases that absorb infrared radiation from Earth’s surface Greenhouse effect- warming of the troposphere Milankovitch cycles- three kinds of changes in Earth’s rotation and orbit around the sun; result in slight changes in relative amount of solar radiation that reaches the Earth’s surface El Nino- when equatorial winds weaken and allow warm water from the western Pacific to move eastward, preventing cold water from welling up in the Eastern Pacific La Nina- cold surface waters extend far westward in the equatorial Pacific
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Unformatted text preview: Proxy indicators- types of indirect evidence that serve as proxies for direct measurement and that indicate the nature of past climate Intergovernmental Panel on Climate Change (IPCC)- international panel of atmospheric scientists, climate experts and government officials established by UNEP in 1988 U.N. Framework Convention on Climate Change- (FCCC)- outlined a plan to reduce greenhouse gas emissions to 1990 levels by the year 2000 Kyoto Protocol- mandates signatory nations to reduce emissions of six greenhouse gases to levels equal to or lower that those of 1990; outgrowth of FCCC...
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This document was uploaded on 10/26/2011 for the course UW 34 at GWU.

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