| LI Xuegang,LI Ning,GAO Xuelu,SONG Jinming. 2004. Dissolved inorganic carbon and CO2 fluxes across Jiaozhou Bay air-water interface. Acta Oceanologica Sinica, (2):279－285 |
| Dissolved inorganic carbon and CO2 fluxes across Jiaozhou Bay air-water interface |
| Dissolved inorganic carbon and CO2 fluxes across Jiaozhou Bay air-water interface |
| Received:January 11, 2003 Revised:April 20, 2004 |
| DOI： |
| Key words:DIC flux of CO2 Jiaozhou Bay |
| 中文关键词: DIC flux of CO2 Jiaozhou Bay |
| 基金项目: |
| Author Name | Affiliation | E-mail | | LI Xuegang | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Graduate School, Chinese Academy of Sciences, Beijing 100039, China | | | LI Ning | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Graduate School, Chinese Academy of Sciences, Beijing 100039, China | | | GAO Xuelu | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Graduate School, Chinese Academy of Sciences, Beijing 100039, China | | | SONG Jinming | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China | jmsong@ms.qdio.ac.cn |
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| Abstract: |
| On the basis of data collected in the Jiaozhou Bay in June and July 2003, the DIC distribution in seawater is studied, and an average air-sea flux of CO2 is estimated. The results show that the content of DIC inside the bay is markedly higher than outside the bay in June, but the content of DIC outside the bay is markedly higher than inside the bay in July. The trend of DIC distribution inside the bay is similar, viz. the content is the maximum in the northeast, then decreases gradually toward the west, and the content is the minimum in the west. The total trend of vertical distribution is to increase gradually from surface to bottom. This characteristic of DIC distribution is determined by Jiaozhou Bay hydrology and there is a close relation between DIC and particulate N,P. Average CO2 flux across the air-sea interface is 0.55 mol/(m2·a) in June and 0.72 mol/(m2·a) in July. Jiaozhou Bay is considered as a net annual source for atmospheric CO2 in June and July, and the total CO2 flux from seawater into a atmosphere is about 740 t in June and 969 t in July. |
| 中文摘要: |
| On the basis of data collected in the Jiaozhou Bay in June and July 2003, the DIC distribution in seawater is studied, and an average air-sea flux of CO2 is estimated. The results show that the content of DIC inside the bay is markedly higher than outside the bay in June, but the content of DIC outside the bay is markedly higher than inside the bay in July. The trend of DIC distribution inside the bay is similar, viz. the content is the maximum in the northeast, then decreases gradually toward the west, and the content is the minimum in the west. The total trend of vertical distribution is to increase gradually from surface to bottom. This characteristic of DIC distribution is determined by Jiaozhou Bay hydrology and there is a close relation between DIC and particulate N,P. Average CO2 flux across the air-sea interface is 0.55 mol/(m2·a) in June and 0.72 mol/(m2·a) in July. Jiaozhou Bay is considered as a net annual source for atmospheric CO2 in June and July, and the total CO2 flux from seawater into a atmosphere is about 740 t in June and 969 t in July. |
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