| Qu Tangdong. 2002. Evidence for water exchange between the South China Sea and the Pacific Ocean through the Luzon Strait. Acta Oceanologica Sinica, (2):175－185 |
| Evidence for water exchange between the South China Sea and the Pacific Ocean through the Luzon Strait |
| Evidence for water exchange between the South China Sea and the Pacific Ocean through the Luzon Strait |
| Received:October 30, 2001 Revised:February 15, 2002 |
| DOI： |
| Key words:Water exchange the South China Sea the Pacific Ocean the Luzon Strait |
| 中文关键词: Water exchange the South China Sea the Pacific Ocean the Luzon Strait |
| 基金项目:This research was funded by Frontier Research System for Global Change through its sponsorship of the International Pacific Research Center (IPRC) and by the U. S. National Science Foundation under contract Grant No. OCEOO-95906. |
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| Abstract: |
| An analysis of historical oxygen data provides evidence on the water exchange between the South China Sea (SCS) and the Pacific Ocean (PO).In the vicinity of the Luzon Strait (LS),the dissolved oxygen concentration of sea water is found to be lower on the Pacific side than on the SCS side at depths between 700 and 1500 m (intermediate layer),while the situation is reversed above 700 m (upper layer) and below 1 500 m (deep layer).The evidence suggests that water exits the SCS in the intermediate layer but enters it from the Pacific in both the upper and the deep layers,supporting the earlier speculation that the Luzon Strait transport has a sandwiched structure in the vertical.Within the SCS basin,the oxygen distribution indicates widespread vertical movement,including the upwelling in the intermediate layer and the downwelling in the deep layer. |
| 中文摘要: |
| An analysis of historical oxygen data provides evidence on the water exchange between the South China Sea (SCS) and the Pacific Ocean (PO).In the vicinity of the Luzon Strait (LS),the dissolved oxygen concentration of sea water is found to be lower on the Pacific side than on the SCS side at depths between 700 and 1500 m (intermediate layer),while the situation is reversed above 700 m (upper layer) and below 1 500 m (deep layer).The evidence suggests that water exits the SCS in the intermediate layer but enters it from the Pacific in both the upper and the deep layers,supporting the earlier speculation that the Luzon Strait transport has a sandwiched structure in the vertical.Within the SCS basin,the oxygen distribution indicates widespread vertical movement,including the upwelling in the intermediate layer and the downwelling in the deep layer. |
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