By using the NCEP/NCAR reanalysis data of 1958—1997 and choosing the onset date of the South China sea as a critical day, we do some composite analysis to illustrate the evolvement of the atmospheric circulation around the onset of the monsoon.The result shows that the climatic average circulations of the atmosphere before and after the onset of the monsoon differs a lot, which is a global-scale phenomenon. Through observing the evolvement of the perturbation field of atmospheric circulation, we find that the variety of the perturbation field is not only global-scale but also quite abrupt. Besides, this paper concerns the source of the southwest monsoon in the South China sea, the function of three branches of cross-equatorial airflow as well as the change of the circulation situation in the Southern Hemisphere and its influence on the onset of the South China sea monsoon.
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張立鳳,張銘.南海夏季風爆發(fā)前后大氣環(huán)流的演變.氣象科學,2008,(5):480-487 Zhang Lifeng ,Zhang Ming. The evolution of atmospheric circulation around the onset of the south China sea monsoon. Journal of the Meteorological Sciences,2008,(5):480-487