In:
Science Advances, American Association for the Advancement of Science (AAAS), Vol. 4, No. 6 ( 2018-06)
Abstract:
Organic matter burial in mangrove forests results in the removal and long-term storage of atmospheric CO 2 , so-called “blue carbon.” However, some of this organic matter is metabolized and returned to the atmosphere as CH 4 . Because CH 4 has a higher global warming potential than the CO 2 fixed in the organic matter, it can offset the CO 2 removed via carbon burial. We provide the first estimate of the global magnitude of this offset. Our results show that high CH 4 evasion rates have the potential to partially offset blue carbon burial rates in mangrove sediments on average by 20% (sensitivity analysis offset range, 18 to 22%) using the 20-year global warming potential. Hence, mangrove sediment and water CH 4 emissions should be accounted for in future blue carbon assessments.
Type of Medium:
Online Resource
ISSN:
2375-2548
DOI:
10.1126/sciadv.aao4985
Language:
English
Publisher:
American Association for the Advancement of Science (AAAS)
Publication Date:
2018
detail.hit.zdb_id:
2810933-8
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