Old carbon reservoirs were not important in the deglacial methane budget-Reference-Cited by-同舟云学术

Old carbon reservoirs were not important in the deglacial methane budget

Published:2020-02-21 Issue:6480 Volume:367 Page:907-910
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Dyonisius M. N.¹^ORCID,Petrenko V. V.¹^ORCID,Smith A. M.²,Hua Q.²^ORCID,Yang B.²,Schmitt J.³^ORCID,Beck J.³^ORCID,Seth B.³^ORCID,Bock M.³^ORCID,Hmiel B.¹^ORCID,Vimont I.⁴^ORCID,Menking J. A.⁵^ORCID,Shackleton S. A.⁶,Baggenstos D.³⁶^ORCID,Bauska T. K.⁵⁷^ORCID,Rhodes R. H.⁵⁸^ORCID,Sperlich P.⁹^ORCID,Beaudette R.⁶,Harth C.⁶,Kalk M.⁵^ORCID,Brook E. J.⁵^ORCID,Fischer H.³,Severinghaus J. P.⁶,Weiss R. F.⁶^ORCID

Affiliation:

1. Department of Earth and Environmental Sciences, University of Rochester, Rochester, NY 14627, USA.

2. Australian Nuclear Science and Technology Organisation (ANSTO), Lucas Heights, NSW 2234, Australia.

3. Climate and Environmental Physics, Physics Institute and Oeschger Centre for Climate Change Research, University of Bern, CH-3012 Bern, Switzerland.

4. Institute of Arctic and Alpine Research, University of Colorado Boulder, Boulder, CO 80303, USA.

5. College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, USA.

6. Scripps Institution of Oceanography (SIO), University of California, San Diego, La Jolla, CA 92037, USA.

7. British Antarctic Survey High Cross, Cambridge CB3 0ET, UK.

8. Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK.

9. National Institute of Water and Atmospheric Research (NIWA), 6021 Wellington, New Zealand.

Abstract

Small burden from old sources Methane is a potent greenhouse gas with large natural sources, reservoirs, and sinks. Dyonisius et al. found that methane emissions from old, cold-region carbon reservoirs like permafrost and methane hydrates were minor during the last deglaciation (see the Perspective by Dean). They analyzed the carbon isotopic composition of atmospheric methane trapped in bubbles in Antarctic ice and found that methane emissions from those old carbon sources during the warming interval were small. They argue that this finding suggests that methane emissions in response to future warming likely will not be as large as some have suggested. Science , this issue p. 907 ; see also p. 846

Funder

National Science Foundation

European Research Council

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference96 articles.

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