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Unformatted text preview: a major nuclear war? Climate Change ± By how much does solar output vary with time? ± Why do climatologists look at sunspot counts? ± How much warmer is the global average surface temperature now compared to 100 years ago? ± When CO 2 is added to the atmosphere, what fraction stays in the atmosphere, and where does most of the rest go? ± How do scientists estimate what the future climate will be like? ± Is the temperature expected to change over the next 100 years? Climate Change ± What is a positive feedback? Give an example. ± What is a negative feedback be? Give an example. ± What evidence relates global warming and hurricanes? ± Where is the Sahel? What has happened to its climate since the late 1960s? ± What is the climate situation like in Australia as of December 2006?...
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This note was uploaded on 07/21/2011 for the course MET 1010 taught by Professor Staff during the Fall '08 term at FSU.
- Fall '08