Tracing the carbon cycle
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Transcript of Tracing the carbon cycle
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Clark & Aravena
Tracing Tracing thethe
carbon carbon cyclecycle
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UTh
PbPt
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NeSiS
Fe:produit dans la dernière phase
de fusionÉléments > Fe:activation par
neutrons
Instable
CNO
Éléments fissionable
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Clark & Aravena
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Vostok – a 500 ka
record of climate inan ice core
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Expanded carbon cycling in the boreal, temperate and tropical forests
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CO2 from increased respiration in soils at higher T
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CO2 atmosphèrique en equilibre avec
des eaux marines CO2 degassing withincreased T
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Li Be B C N F Na Mg Al Si P S Cl K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Rb Sr
pp
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Croûte
Rivières
Eau marine
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Li Be B C N F Na Mg Al Si P S Cl K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Rb Sr
Facteur d'enrichissement
Temps de résidence océanique
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Solanki et al., 2004, Nature 431, 1084
Anthropogenic COAnthropogenic CO22 is is increasing during a time of increasing during a time of maximum solar activity – maximum solar activity –
the highest in 10,000 the highest in 10,000 years.years.
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Tracing the Sulfur Cycle
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Sulfate Cycle in Groundwater
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34S composition of Geological Materials of Different Origin
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