Title |
Rising methane emissions from northern wetlands associated with sea ice decline
|
---|---|
Published in |
Geophysical Research Letters, September 2015
|
DOI | 10.1002/2015gl065013 |
Pubmed ID | |
Authors |
Frans-Jan W Parmentier, Wenxin Zhang, Yanjiao Mi, Xudong Zhu, Jacobus van Huissteden, Daniel J Hayes, Qianlai Zhuang, Torben R Christensen, A David McGuire |
Abstract |
The Arctic is rapidly transitioning toward a seasonal sea ice-free state, perhaps one of the most apparent examples of climate change in the world. This dramatic change has numerous consequences, including a large increase in air temperatures, which in turn may affect terrestrial methane emissions. Nonetheless, terrestrial and marine environments are seldom jointly analyzed. By comparing satellite observations of Arctic sea ice concentrations to methane emissions simulated by three process-based biogeochemical models, this study shows that rising wetland methane emissions are associated with sea ice retreat. Our analyses indicate that simulated high-latitude emissions for 2005-2010 were, on average, 1.7 Tg CH4 yr(-1) higher compared to 1981-1990 due to a sea ice-induced, autumn-focused, warming. Since these results suggest a continued rise in methane emissions with future sea ice decline, observation programs need to include measurements during the autumn to further investigate the impact of this spatial connection on terrestrial methane emissions. |
X Demographics
Geographical breakdown
Country | Count | As % |
---|---|---|
United States | 11 | 15% |
United Kingdom | 8 | 11% |
Finland | 5 | 7% |
Canada | 5 | 7% |
Sweden | 3 | 4% |
Australia | 3 | 4% |
Norway | 2 | 3% |
Belgium | 1 | 1% |
Netherlands | 1 | 1% |
Other | 5 | 7% |
Unknown | 28 | 39% |
Demographic breakdown
Type | Count | As % |
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Members of the public | 52 | 72% |
Scientists | 16 | 22% |
Science communicators (journalists, bloggers, editors) | 4 | 6% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
United Kingdom | 2 | 3% |
United States | 2 | 3% |
Unknown | 54 | 93% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 13 | 22% |
Researcher | 11 | 19% |
Student > Master | 5 | 9% |
Student > Bachelor | 5 | 9% |
Professor > Associate Professor | 4 | 7% |
Other | 12 | 21% |
Unknown | 8 | 14% |
Readers by discipline | Count | As % |
---|---|---|
Environmental Science | 17 | 29% |
Earth and Planetary Sciences | 16 | 28% |
Agricultural and Biological Sciences | 8 | 14% |
Engineering | 3 | 5% |
Medicine and Dentistry | 2 | 3% |
Other | 2 | 3% |
Unknown | 10 | 17% |