| CHEN Liqi,GAO Zhongyong,SUN Heng,CHEN Baoshan,CAI Wei-jun. 2014. Distributions and air-sea fluxes of CO2 in the summer Bering Sea. Acta Oceanologica Sinica, 33(6):1－8 |
| Distributions and air-sea fluxes of CO2 in the summer Bering Sea |
| Distributions and air-sea fluxes of CO2 in the summer Bering Sea |
| Received:January 22, 2013 Revised:June 16, 2013 |
| DOI：10.1007/s13131-014-0483-9 |
| Key words:partial pressure of CO2 CO2 system air-sea CO2 flux Bering Sea |
| 中文关键词: partial pressure of CO2 CO2 system air-sea CO2 flux Bering Sea |
| 基金项目:The National Natural Science Foundation of China (NSFC) under contract Nos 40976116 and 40531007; the Fujian Science Foundation under contract No. 2009J06025; the SOA Youth Foundation Grant under contract No. 2012538; the Chinese Projects for Investigations and Assessments of the Arctic and Antarctic under contract Nos CHINARE2012: 01-04, 02-01, 03-04, 04-03, 04-04, and CHINARE2013: 01-04, 02-01, 03-04, 04-03, 04-04; the Chinese International Cooperation Projects under contract Nos IC201114, IC201201, IC201308, and HC120601; the Scientific Research Foundation of Third Institute of Oceanography, SOA under contract Nos 2012006 and 2014006. |
| Author Name | Affiliation | E-mail | | CHEN Liqi | Key Laboratory of Global Change and Marine-Atmospheric Chemistry of State Oceanic Administration, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China | lqchen@soa.gov.cn | | GAO Zhongyong | Key Laboratory of Global Change and Marine-Atmospheric Chemistry of State Oceanic Administration, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China | | | SUN Heng | Key Laboratory of Global Change and Marine-Atmospheric Chemistry of State Oceanic Administration, Third Institute of Oceanography, State Oceanic Administration, Xiamen 361005, China | | | CHEN Baoshan | Department of Marine Sciences, University of Georgia, Athens, GA 30602, USA | | | CAI Wei-jun | Department of Marine Sciences, University of Georgia, Athens, GA 30602, USA | |
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| Abstract: |
| The 3rd Chinese National Arctic Research Expedition (CHINARE-Arctic Ⅲ) was carried out from July to September in 2008. The partial pressure of CO2 (pCO2) in the atmosphere and in surface seawater were determined in the Bering Sea during July 11-27, 2008, and a large number of seawater samples were taken for total alkalinity (TA) and total dissolved inorganic carbon (DIC) analysis. The distributions of CO2 parameters in the Bering Sea and their controlling factors were discussed. The pCO2 values in surface seawater presented a drastic variation from 148 to 563 μatm (1 μatm = 1.013 25×10-1 Pa ). The lowest pCO2 values were observed near the Bering Sea shelf break while the highest pCO2 existed at the western Bering Strait. The Bering Sea generally acts as a net sink for atmospheric CO2 in summer. The air-sea CO2 fluxes in the Bering Sea shelf, slope, and basin were estimated at-9.4,-16.3, and-5.1 mmol/(m2·d), respectively. The annual uptake of CO2 was about 34 Tg C in the Bering Sea. |
| 中文摘要: |
| The 3rd Chinese National Arctic Research Expedition (CHINARE-Arctic Ⅲ) was carried out from July to September in 2008. The partial pressure of CO2 (pCO2) in the atmosphere and in surface seawater were determined in the Bering Sea during July 11-27, 2008, and a large number of seawater samples were taken for total alkalinity (TA) and total dissolved inorganic carbon (DIC) analysis. The distributions of CO2 parameters in the Bering Sea and their controlling factors were discussed. The pCO2 values in surface seawater presented a drastic variation from 148 to 563 μatm (1 μatm = 1.013 25×10-1 Pa ). The lowest pCO2 values were observed near the Bering Sea shelf break while the highest pCO2 existed at the western Bering Strait. The Bering Sea generally acts as a net sink for atmospheric CO2 in summer. The air-sea CO2 fluxes in the Bering Sea shelf, slope, and basin were estimated at-9.4,-16.3, and-5.1 mmol/(m2·d), respectively. The annual uptake of CO2 was about 34 Tg C in the Bering Sea. |
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