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This is really fascinating, thanks for the clarification. I know that data for CO2 concentrations in the atmosphere go back at least 541m years, i.e. the whole
by sword_smith 7y ago
This is really fascinating, thanks for the clarification.
I know that data for CO2 concentrations in the atmosphere go back at least 541m years, i.e. the whole Phanerozoic. Does a similar dataset exist for methane?
- sword_smith 7y agoThe biggest spike in the Phanerozoic was at the Permian extinction event 251m years ago and was caused by huge volcanic eruptions in Siberia that burned off coal deposits created in the Carboniferous era. See Figure 7 in this publication. https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2007GB002985 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/200...