The impacts of ocean acidification on marine trace gases and the implications for atmospheric chemistry and climate

被引:34
作者
Hopkins, Frances E. [1 ]
Suntharalingam, Parvadha [2 ]
Gehlen, Marion [3 ]
Andrews, Oliver [4 ]
Archer, Stephen D. [5 ]
Bopp, Laurent [6 ,7 ]
Buitenhuis, Erik [2 ]
Dadou, Isabelle [8 ]
Duce, Robert [9 ,10 ]
Goris, Nadine [11 ]
Jickells, Tim [2 ]
Johnson, Martin [2 ]
Keng, Fiona [12 ,13 ]
Law, Cliff S. [14 ,15 ]
Lee, Kitack [16 ]
Liss, Peter S. [2 ]
Lizotte, Martine [17 ]
Malin, Gillian [2 ]
Murrell, J. Colin [2 ]
Naik, Hema [18 ]
Rees, Andrew P. [1 ]
Schwinger, Joerg [11 ]
Williamson, Philip [2 ]
机构
[1] Plymouth Marine Lab, Prospect Pl, Plymouth, Devon, England
[2] Univ East Anglia, Sch Environm Sci, Norwich Res Pk, Norwich NR4 7TJ, Norfolk, England
[3] Inst Pierre Simon Laplace, Lab Sci Climat & Environm, Gif Sur Yvette, France
[4] Univ Bristol, Sch Geog Sci, Univ Rd, Bristol BS8 1SS, Avon, England
[5] Bigelow Lab Ocean Sci, East Boothbay, ME USA
[6] Ecole Normale Super, Lab Meteorol Dynam, Inst Pierre Simon Laplace, CNRS,ENS,UPMC X,Dept Geosci, Paris, France
[7] Sorbonne Univ, Univ Ecole Polytech, Paris, France
[8] Univ Toulouse, Lab Etud Geophys & Oceanog Spatiales, Toulouse, France
[9] Texas A&M Univ, Dept Oceanog, College Stn, TX 77843 USA
[10] Texas A&M Univ, Dept Atmospher Sci, College Stn, TX USA
[11] Bjerknes Ctr Climate Res, NORCE Climate, Bergen, Norway
[12] Univ Malaya, Inst Ocean & Earth Sci IOES, Kuala Lumpur, Malaysia
[13] Univ Malaya, Inst Grad Studies IGS, Kuala Lumpur, Malaysia
[14] Natl Inst Water & Atmospher Res, Wellington, New Zealand
[15] Univ Otago, Dept Chem, Dunedin, New Zealand
[16] Pohang Univ Sci & Technol, Dept Environm Sci & Engn, Pohang, South Korea
[17] Univ Laval, Dept Biol, Quebec City, PQ, Canada
[18] CSIR Natl Inst Oceanog, Panaji 403004, Goa, India
来源
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES | 2020年 / 476卷 / 2237期
基金
英国自然环境研究理事会; 美国国家科学基金会; 加拿大自然科学与工程研究理事会; 新加坡国家研究基金会; 欧盟地平线“2020”;
关键词
ocean acidification; marine trace gases; climate; atmospheric chemistry; DIMETHYL SULFIDE PRODUCTION; DISSOLVED ORGANIC-MATTER; ELEVATED CARBON-DIOXIDE; PHOTOCHEMICAL PRODUCTION; HIGH CO2; DMS-PRODUCTION; MULTIPLE STRESSORS; METHANE EMISSIONS; NORTH-ATLANTIC; METHYL-IODIDE;
D O I
10.1098/rspa.2019.0769
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Surface ocean biogeochemistry and photochemistry regulate ocean-atmosphere fluxes of trace gases critical for Earth's atmospheric chemistry and climate. The oceanic processes governing these fluxes are often sensitive to the changes in ocean pH (or pCO(2)) accompanying ocean acidification (OA), with potential for future climate feedbacks. Here, we review current understanding (from observational, experimental and model studies) on the impact of OA on marine sources of key climate-active trace gases, including dimethyl sulfide (DMS), nitrous oxide (N2O), ammonia and halocarbons. We focus on DMS, for which available information is considerably greater than for other trace gases. We highlight OA-sensitive regions such as polar oceans and upwelling systems, and discuss the combined effect of multiple climate stressors (ocean warming and deoxygenation) on trace gas fluxes. To unravel the biological mechanisms responsible for trace gas production, and to detect adaptation, we propose combining process rate measurements of trace gases with longer term experiments using both model organisms in the laboratory and natural planktonic communities in the field. Future ocean observations of trace gases should be routinely accompanied by measurements of two components of the carbonate system to improve our understanding of how in situ carbonate chemistry influences trace gas production. Together, this will lead to improvements in current process model capabilities and more reliable predictions of future global marine trace gas fluxes.
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页数:35
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