南海海-气通量交换研究进展

1998年的"南海季风试验(SCSMEX)"已经过去10年了,SCSMEX启动的南海海-气通量试验研究也有10个年头.在SCSMEX和国家自然科学基金面上项目"南海季风爆发期近海面层通量观测和湍流结构的观测研究"支持下,10年来在西沙实施了3次(1998年、2000年、2002年)海-气通量观测试验,开展了试验资料分析研究,重点是西南季风爆发前后海-气通量交换过程研究,辐射通量、感热通量、潜热通量、动量通量随天气条件的变化研究,海-气通量日变化,通量交换系数以及通量变化对低层大气、上层海洋的影响研究.对10年来南海通量研究作一回顾,对未来的通量观测研究计划特别是2008"亚洲季风年"西沙通量观测提出一些建议.

Advances in the Study of Air-Sea Flux Exchange over the South China Sea

It has been fon years since The South China Sea Monsoon Experiments (SCSMEX) in 1998. The South China sea air-sea flux experiments and the corresponding studies initiated by SCSMEX have been performed for ten years. Supported by SCSMEX and National Natural Science Foundation of China (40075003), three times of air-sea flux experiments (1998, 2000 and 2002) were conducted during the past ten years at Xisha Island respectively. The observational data were analyzed and examined with focus on the following aspects: air-sea interaction processes study during the period of pre-onset, onset, and developing stages of the SCS monsoon onset, the variation study on radiation fluxes, latent and sensible heat as well as momentum fluxes and their relationship with the synoptic conditions. The daily variation of air-sea fluxes, flux exchange coefficients and surface heat flux effects in the lower level of atmosphere and ocean surface were also included. This paper reviews the advances in the study of air-sea flux over the South China Sea. Moreover, some suggestions on future research, especially a new air-sea flux experiments plan in 2008 Asia monsoon year(AMY 2008)over the South China Sea are presented in this paper.