| Junyue Yan,Huadong Yao,Jianglong Li,Zhiyi Tang,Guorong Jiang,Wenyu Sha,Xunqiang Li,Yiguo Xiao. 2003. Air-sea heat flux exchange over the South China Sea under different weather conditions before and after southwest monsoon onset in 2000. Acta Oceanologica Sinica, (3):369－383 |
| Air-sea heat flux exchange over the South China Sea under different weather conditions before and after southwest monsoon onset in 2000 |
| Air-sea heat flux exchange over the South China Sea under different weather conditions before and after southwest monsoon onset in 2000 |
| Received:November 05, 2002 Revised:April 20, 2003 |
| DOI： |
| Key words:South China Sea air-sea heat fluxes South China Sea monsoon |
| 中文关键词: South China Sea air-sea heat fluxes South China Sea monsoon |
| 基金项目:National Natural Science Foundation of China under contract No. 40075003;The Prior Study of State Key Project for Basic Research "East Asian Monsoon Experiment". |
| Author Name | Affiliation | | Junyue Yan | National Climate Center, Beijing 100081, China | | Huadong Yao | National Climate Center, Beijing 100081, China | | Jianglong Li | National Climate Center, Beijing 100081, China | | Zhiyi Tang | National Climate Center, Beijing 100081, China | | Guorong Jiang | PLA University of Science Technology, Nanjing 211101, China | | Wenyu Sha | PLA University of Science Technology, Nanjing 211101, China | | Xunqiang Li | PLA University of Science Technology, Nanjing 211101, China | | Yiguo Xiao | PLA University of Science Technology, Nanjing 211101, China |
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| Abstract: |
| With the data observed from the Second SCS Air-Sea Flux Experiment on the Xisha air-sea flux research tower, the radiation budget, latent, sensible heat fluxes and net oceanic heat budgets were caculated before and after summer monsoon onset. It is discovered that, after summer monsoon onset, there are considerable changes in air-sea fluxes, especially in latent heat fluxes and net oceanic heat budget. Furthermore, the analyzed results of five synoptic stages are compared. And the characteristics of the flux transfer during different stages around onset of South China Sea monsoon are discussed. The flux change shows that there is an oceanic heat accumulating process during the pre-onset and the break period, as same as oceanic heat losing process during the onset period. Moreover, latent fluxes, the water vapor moving to the continent, even the rainfall appearance in Chinese Mainland also can be influenced by southwester. Comparing Xisha fluxes with those obtained from the Indian Ocean and the western Pacific Ocean, their differences may be obeerved. It is the reason why SSTs can keep stableover the South China Sea while they decrease quickly over the Arabian Sea and the Bay of Bengal aftermonsoon onset. |
| 中文摘要: |
| With the data observed from the Second SCS Air-Sea Flux Experiment on the Xisha air-sea flux research tower, the radiation budget, latent, sensible heat fluxes and net oceanic heat budgets were caculated before and after summer monsoon onset. It is discovered that, after summer monsoon onset, there are considerable changes in air-sea fluxes, especially in latent heat fluxes and net oceanic heat budget. Furthermore, the analyzed results of five synoptic stages are compared. And the characteristics of the flux transfer during different stages around onset of South China Sea monsoon are discussed. The flux change shows that there is an oceanic heat accumulating process during the pre-onset and the break period, as same as oceanic heat losing process during the onset period. Moreover, latent fluxes, the water vapor moving to the continent, even the rainfall appearance in Chinese Mainland also can be influenced by southwester. Comparing Xisha fluxes with those obtained from the Indian Ocean and the western Pacific Ocean, their differences may be obeerved. It is the reason why SSTs can keep stableover the South China Sea while they decrease quickly over the Arabian Sea and the Bay of Bengal aftermonsoon onset. |
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