HotHotHot2012

HotHotHot2012 - History of Climate When it was not cold...

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Unformatted text preview: History of Climate When it was not cold Royer et al., 2004 When was the last time CO2 levels were near 500 ppm? Oligocene 25 Ma 2-4°C warmer; Sea level was +20 meters http://flood.firetree.net/ When was the last time CO2 levels were near 1000 ppm? 35 million years ago Today Ice free Arctic Ice free Antarctic 6-8°C warmer; Sea level was +60 meters http://flood.firetree.net/ Just natural variation? It was hot before...it’s natural? ...
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This note was uploaded on 04/02/2012 for the course GEOL 125Lxg taught by Professor Hammond during the Spring '07 term at USC.

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