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(2020) Using Oxygen and Sulfur Isotopes to Partition Sources of Riverine Sulfate

Relph K, Stevenson E, Turchyn S, Antler G, Bickle M, Baronas J, Parsons D, Darby S & Tipper E


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10f: Room 3, Friday 26th June 05:54 - 05:57

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Submitted by Joel Scheingross on Thursday 25th June 21:06
Hi Katy - Nice talk! If I understood correctly, the majority of the sulfate flux comes from the upper Mekong where (I presume) you have pyrite-rich rocks. Do you have a sense for how much your results (in terms of CO2 released from weathering of carbonate by sulfuric acid) would change if these pyrite-rich units were in the lower Mekong rather than the upper Mekong? Or, more generically, how does the spatial distribution of rock type influence CO2 release?

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