Understanding the PETM using Carbon isotopes part c

Environmental Science
Tutor: None Selected Time limit: 1 Day

The average δ13C of methane is –60‰. What mass of carbon from marine methane hydrates would have to be added to the climate system to cause the observed isotopic change? The estimated mass of carbon stored as marine methane hydrates today is 500 to 2,500 Gt. Do you think that dissociation of methane hydrates is a reasonable explanation for the PETM?

Jul 7th, 2015

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The mass of methane required to be added is 1200. This dissociation of methane hydrates is  a reasonable explanation for PETM

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jul 7th, 2015

I understand why the answer is an acceptable explanation for PETM, how did you come by the number though. I can't math today

Jul 7th, 2015

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