All Climate Events

Webinar: Emerging role of wetland methane in driving 21st-century climate change

Download as iCal file

Thursday, 07 September 2017, 12:00

Thursday, September 7, 2017. 12:00PM. Webinar: Emerging role of wetland methane in driving 21st-century climate change. Zhen Zhang, University of Maryland; Ben Poutler, NASA Goddard Space Flight Center. Sponsored by Center for Satellite Applications and Research. More information here.


Conventional greenhouse gas mitigation policies ignore the role of global wetlands in emitting methane (CH4) from feedbacks associated with the changing climate. We investigate wetland CH4 feedbacks and whether, and to what degree, wetlands will exceed anthropogenic 21st century CH4 emissions using an ensemble of climate projections and a biogeochemical methane model with dynamic wetland area and permafrost. We find that climate-change induced increases in wetland CH4 could dominate anthropogenic CH4 warming effect due to processes mainly related to the sensitivity of methane emissions to temperature and changing global wetland area. This highlights the need to accelerate the CH4 mitigation technologies to balance the potential warming feedbacks from wetlands CH4, and the need to consider wetland CH4 feedbacks in mitigation policies aiming to keep global warming below 2°C.

 

Location  Webcast