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Comparison of carbonate parameters and air-sea CO2 flux in the southern Yellow Sea and East China Sea during spring and summer of 2011
Qu, Baoxiao1,2; Song, Jinming1,2; Yuan, Huamao1,2; Li, Xuegang1,2; Li, Ning1,2; Duan, Liqin1,2
2017-06-01
发表期刊JOURNAL OF OCEANOGRAPHY
卷号73期号:3页码:365-382
文章类型Article
摘要In this work, we examined the carbonate parameters, i.e. total alkalinity (TA), pH, and partial pressure of CO2 (pCO(2)), and the air-sea CO2 flux (FCO2) in the continental shelves of the southern Yellow Sea (SYS) and East China Sea (ECS), based on two field surveys conducted in April and August of 2011. Surface pCO(2) showed significant spatial variations, ranging from 246 to 686 A mu atm in spring (average +/- standard deviation = 379 +/- 95 A mu atm) and from 178 to 680 A mu atm in summer (384 +/- 114 A mu atm). During the spring cruise, the central SYS (pCO(2) < 240 A mu atm) and the Changjiang estuary (pCO(2) < 300 A mu atm) were under-saturated with CO2, while the southern SYS and the southwestern ECS were supersaturated (pCO(2) = 420-680 A mu atm). In summer, however, the CO2-supersaturated waters (pCO(2) = 380-680 A mu atm) occupied a relatively wide area, including the nearshore of the SYS and the Changjiang estuary, whereas pCO(2)-deficient water (pCO(2) = 220-380 A mu atm) was observed only at the offshore ECS. In general, the entire SYS and ECS area behaved as a sustained CO2 sink, with average FCO2 of -3.9 and -2.1 mmol m(-2) d(-1) in spring and summer, respectively. Phytoplankton production was the driving force for CO2 absorption, especially during the spring cruise. In addition, we found that typical water mixing processes and decomposition of terrestrial material were responsible for the release of CO2 in three turbidity maximum regions.
关键词Carbon Dioxide Air-sea Gas Exchange Continental Shelf Southern Yellow Sea East China Sea Yangtze River
DOI10.1007/s10872-016-0409-6
收录类别SCI
语种英语
WOS记录号WOS:000401432100007
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136851
专题海洋生态与环境科学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Peoples R China
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GB/T 7714
Qu, Baoxiao,Song, Jinming,Yuan, Huamao,et al. Comparison of carbonate parameters and air-sea CO2 flux in the southern Yellow Sea and East China Sea during spring and summer of 2011[J]. JOURNAL OF OCEANOGRAPHY,2017,73(3):365-382.
APA Qu, Baoxiao,Song, Jinming,Yuan, Huamao,Li, Xuegang,Li, Ning,&Duan, Liqin.(2017).Comparison of carbonate parameters and air-sea CO2 flux in the southern Yellow Sea and East China Sea during spring and summer of 2011.JOURNAL OF OCEANOGRAPHY,73(3),365-382.
MLA Qu, Baoxiao,et al."Comparison of carbonate parameters and air-sea CO2 flux in the southern Yellow Sea and East China Sea during spring and summer of 2011".JOURNAL OF OCEANOGRAPHY 73.3(2017):365-382.
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