Petm paleocene eocene thermal maximum mcinerney and

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Unformatted text preview: amount of carbon in the biosphere today is about 2,500 Gt 20000 18000 16000 14000 12000 10000 8000 6000 4000 2000 0 - 80 - 70 - 60 - 50 - 40 - 30 - 20 - 10 0 δ13C of ‘new’ carbon added to atmosphere / ocean system methane - 60‰ biomass volcanoes - 25‰ - 5‰ Rapid oxidaNon of biomass? PETM: Paleocene- Eocene Thermal Maximum McInerney and Wing, 2011, Ann. Rev. Earth Planet. Sci. Rapid release from methane clathrates? CH4*nH2O How long did it take for the carbon cycle to stabilize following the PETM event?...
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This document was uploaded on 03/26/2014 for the course GEC AS.270.103 at Johns Hopkins.

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