globalchange  > 气候变化事实与影响
DOI: 10.1002/2017GB005637
Scopus记录号: 2-s2.0-85028341447
论文题名:
Characteristics of the surface water DMS and pCO2 distributions and their relationships in the Southern Ocean, southeast Indian Ocean, and northwest Pacific Ocean
作者: Zhang M; , Marandino C; A; , Chen L; , Sun H; , Gao Z; , Park K; , Kim I; , Yang B; , Zhu T; , Yan J; , Wang J
刊名: Global Biogeochemical Cycles
ISSN: 8866236
出版年: 2017
卷: 31, 期:8
起始页码: 1318
结束页码: 1331
语种: 英语
英文关键词: characteristics ; DMS ; pCO2 ; relationships ; the Southern Ocean ; underway measurements
Scopus关键词: carbon dioxide ; dimethylsulfide ; global climate ; marine atmosphere ; measurement method ; partial pressure ; sea ice ; seawater ; sulfur compound ; surface water ; underwater environment ; Atlantic Ocean ; Indian Ocean ; Indian Ocean (Southeast) ; Pacific Ocean ; Pacific Ocean (Northwest) ; Southern Ocean
英文摘要: Oceanic dimethyl sulfide (DMS) is of interest due to its critical influence on atmospheric sulfur compounds in the marine atmosphere and its hypothesized significant role in global climate. High-resolution shipboard underway measurements of surface seawater DMS and the partial pressure of carbon dioxide (pCO2) were conducted in the Atlantic Ocean and Indian Ocean sectors of the Southern Ocean (SO), the southeast Indian Ocean, and the northwest Pacific Ocean from February to April 2014 during the 30th Chinese Antarctic Research Expedition. The SO, particularly in the region south of 58°S, had the highest mean surface seawater DMS concentration of 4.1 ± 8.3 nM (ranged from 0.1 to 73.2 nM) and lowest mean seawater pCO2 level of 337 ± 50 μatm (ranged from 221 to 411 μatm) over the entire cruise. Significant variations of surface seawater DMS and pCO2 in the seasonal ice zone (SIZ) of SO were observed, which are mainly controlled by biological process and sea ice activity. We found a significant negative relationship between DMS and pCO2 in the SO SIZ using 0.1° resolution, [DMS] seawater = −0.160 [pCO2] seawater + 61.3 (r2 = 0.594, n = 924, p < 0.001). We anticipate that the relationship may possibly be utilized to reconstruct the surface seawater DMS climatology in the SO SIZ. Further studies are necessary to improve the universality of this approach. ©2017. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/77711
Appears in Collections:气候变化事实与影响

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作者单位: Key Laboratory of Global change and Marine-Atmospheric Chemistry, Third Institute of Oceanography, State Oceanic Administration, Xiamen, China; Forschungsberech Marine Biogeochemie, GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel, Germany; Division of Polar Ocean Science, Korea Polar Research Institute, Incheon, South Korea; Marine Radionuclide Research Center, Korea Institute of Ocean Science and Technology, Ansan, South Korea; School of Oceanography, University of Washington, Seattle, WA, United States; State Key laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan, China

Recommended Citation:
Zhang M,, Marandino C,A,et al. Characteristics of the surface water DMS and pCO2 distributions and their relationships in the Southern Ocean, southeast Indian Ocean, and northwest Pacific Ocean[J]. Global Biogeochemical Cycles,2017-01-01,31(8)
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