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Storm-induced changes in pCO(2) at the sea surface over the northern South China Sea during Typhoon Wutip
Ye, HJ; Sheng, JY; Tang, DL; Siswanto, E; Kalhoro, MA; Sui, Y; lingzistdl@126.com
2017
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
Volume122Issue:6Pages:4761-4778
AbstractIn situ oceanographic measurements were made before and after the passage of Typhoon Wutip in September 2013 over the northern South China Sea. The surface geostrophic circulation over this region inferred from satellite altimetry data features a large-size anticyclonic eddy, a small-size cyclonic eddy, and smaller-size eddies during this period. Significant typhoon-induced changes occurred in the partial pressure of CO2 at the sea surface (pCO(2sea)) during Wutip. Before the passage of Wutip, pCO(2sea) was about 392.92 +/- 1.83, 390.31 +/- 0.50, and 393.04 +/- 4.31 mu atm over the cyclonic eddy water, the anticyclonic eddy water, and areas outside two eddies, respectively. The entire study region showed a carbon source (1.31 +/- 0.46 mmol CO2 m(-2) d(-1)) before Wutip. In the cyclonic eddy water after Wutip, high sea surface salinity (SSS), low sea surface temperature (SST), and high pCO(2sea) (413.05 +/- 7.56 mu atm) made this area to be a carbon source (3.30 +/- 0.75 mmol CO2 m(-2) d(-1)). In the anticyclonic eddy water after Wutip, both the SSS and SST were lower, pCO(2sea) was also lower (383.03 +/- 3.72 mu atm), and this area became a carbon sink (-0.11 +/- 0.55 mmol CO2 m(-2) d(-1)), in comparison with the pretyphoon conditions. The typhoon-induced air-sea CO2 flux reached about 0.03 mmol CO2 m(-2) d(-1). Noticeable spatial variations in pCO(2sea) were affected mainly by the typhoon-induced mixing/upwelling and vertical stratifications. This study suggests that the local air-sea CO2 flux in the study region was affected significantly by oceanographic conditions during the typhoon.
Department[Ye, Haijun; Sheng, Jinyu; Tang, Danling; Kalhoro, Muhsan Ali; Sui, Yi] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China; [Sheng, Jinyu; Sui, Yi] Dalhousie Univ, Dept Oceanog, Halifax, NS, Canada; [Siswanto, Eko] Japan Agcy Marine Earth Sci & Technol, Dept Environm & Geochem Cycle Res, Yokohama, Kanagawa, Japan; [Siswanto, Eko] Japan Agcy Marine Earth Sci & Technol, Res & Dev Ctr Global Change, Yokohama, Kanagawa, Japan; [Kalhoro, Muhsan Ali] Lasbela Univ Agr Water & Marine Sci, Fac Marine Sci, Uthal, Pakistan
Funding ProjectLTO
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/16454
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorlingzistdl@126.com
Recommended Citation
GB/T 7714
Ye, HJ,Sheng, JY,Tang, DL,et al. Storm-induced changes in pCO(2) at the sea surface over the northern South China Sea during Typhoon Wutip[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2017,122(6):4761-4778.
APA Ye, HJ.,Sheng, JY.,Tang, DL.,Siswanto, E.,Kalhoro, MA.,...&lingzistdl@126.com.(2017).Storm-induced changes in pCO(2) at the sea surface over the northern South China Sea during Typhoon Wutip.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,122(6),4761-4778.
MLA Ye, HJ,et al."Storm-induced changes in pCO(2) at the sea surface over the northern South China Sea during Typhoon Wutip".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 122.6(2017):4761-4778.
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