GSTDTAP  > 地球科学
DOI10.1073/pnas.1900371116
Decadal trends in the ocean carbon sink
DeVries, Tim1,2; Le Quere, Corinne3; Andrews, Oliver3,4; Berthet, Sarah5; Hauck, Judith6; Ilyina, Tatiana7; Landschuetzer, Peter7; Lenton, Andrew8,9,10; Lima, Ivan D.11; Nowicki, Michael1,2; Schwinger, Jorg12; Seferian, Roland5
2019
发表期刊PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
出版年2019
卷号116期号:24页码:11646-11651
文章类型Article
语种英语
国家USA; England; France; Germany; Australia; Norway
英文摘要

Measurements show large decadal variability in the rate of CO2 accumulation in the atmosphere that is not driven by CO2 emissions. The decade of the 1990s experienced enhanced carbon accumulation in the atmosphere relative to emissions, while in the 2000s, the atmospheric growth rate slowed, even though emissions grew rapidly. These variations are driven by natural sources and sinks of CO2 due to the ocean and the terrestrial biosphere. In this study, we compare three independent methods for estimating oceanic CO2 uptake and find that the ocean carbon sink could be responsible for up to 40% of the observed decadal variability in atmospheric CO2 accumulation. Data-based estimates of the ocean carbon sink from pCO(2) mapping methods and decadal ocean inverse models generally agree on the magnitude and sign of decadal variability in the ocean CO2 sink at both global and regional scales. Simulations with ocean biogeochemical models confirm that climate variability drove the observed decadal trends in ocean CO2 uptake, but also demonstrate that the sensitivity of ocean CO2 uptake to climate variability may be too weak in models. Furthermore, all estimates point toward coherent decadal variability in the oceanic and terrestrial CO2 sinks, and this variability is not well-matched by current global vegetation models. Reconciling these differences will help to constrain the sensitivity of oceanic and terrestrial CO2 uptake to climate variability and lead to improved climate projections and decadal climate predictions.


英文关键词carbon dioxide ocean carbon sink terrestrial carbon sink climate variability carbon budget
领域地球科学 ; 气候变化 ; 资源环境
收录类别SCI-E
WOS记录号WOS:000471039700019
WOS关键词ATMOSPHERIC CO2 ; VARIABILITY ; CLIMATE ; DRIVEN ; FLUXES ; LAND
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/205127
专题地球科学
资源环境科学
气候变化
作者单位1.Univ Calif Santa Barbara, Dept Geog, Santa Barbara, CA 93106 USA;
2.Univ Calif Santa Barbara, Earth Res Inst, Santa Barbara, CA 93106 USA;
3.Univ East Anglia, Sch Environm Sci, Tyndall Ctr Climate Change Res, Norwich NR4 7TJ, Norfolk, England;
4.Univ Bristol, Sch Geog Sci, Bristol BS8 1TH, Avon, England;
5.Ctr Natl Rech Meteorol, Unite Mixte Rech, F-31100 Toulouse, France;
6.Alfred Wegener Inst, Helmholtz Zentrum Polar & Meeresforsch, D-27570 Bremerhaven, Germany;
7.Max Planck Inst Meteorol, D-20146 Hamburg, Germany;
8.CSIRO, Oceans & Atmosphere, Battery Point, Tas 7004, Australia;
9.CSIRO Marine Labs, Ctr Southern Hemisphere Oceans Res, Hobart, Tas 7000, Australia;
10.Antarctic Climate & Ecosyst Cooperat Res Ctr, Hobart, Tas 7001, Australia;
11.Woods Hole Oceanog Inst, Dept Marine Chem & Geochem, Woods Hole, MA 02543 USA;
12.NORCE Norwegian Res Ctr, Bjerknes Ctr Climate Res, NO-5007 Bergen, Norway
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GB/T 7714
DeVries, Tim,Le Quere, Corinne,Andrews, Oliver,et al. Decadal trends in the ocean carbon sink[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2019,116(24):11646-11651.
APA DeVries, Tim.,Le Quere, Corinne.,Andrews, Oliver.,Berthet, Sarah.,Hauck, Judith.,...&Seferian, Roland.(2019).Decadal trends in the ocean carbon sink.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,116(24),11646-11651.
MLA DeVries, Tim,et al."Decadal trends in the ocean carbon sink".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 116.24(2019):11646-11651.
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