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Webinar: Atmospheric methane: where did you come from, where did you go?

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Thursday, 14 March 2019, 12:00

Thursday, March 14, 2019. 12:00PM. Webinar: Atmospheric methane: where did you come from, where did you go? Alexander J. Turner, UC Berkeley. Sponsored by NOAA. More information here.

Atmospheric methane plays a major role in controlling climate and its atmospheric burden has more than doubled since 1850, yet contemporary methane trends (1982-2017) have defied explanation. Methane concentrations stabilized in the early 2000s and began increasing again in 2007. Neither the stabilization nor the recent growth are well understood, as evidenced by multiple competing hypotheses in the literature over the past 2 years. Explanations for the increases and stabilization have invoked changes in tropical wetlands, livestock, fossil fuels, biomass burning, and the methane sink. This talk will address three main questions: 1) "What do we know about sources, sinks, and underlying processes driving observed trends in atmospheric methane?", 2) "How will global methane respond to changes in anthropogenic emissions?", and 3) "What future observations could help resolve changes in the methane budget?"

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