%0 Journal Article
%T The Variations of Wind and Thermodynamics Fields in the South China Sea in Summer during the Anomaly Winter Monsoon
异常东亚冬季风对夏季南海地区风场及热力场的影响
%A Sun Shuqing
%A Chen Juan
%A
孙淑清
%A 陈隽
%J 气候与环境研究
%D 2000
%I
%X The influence of the anomalous winter monsoon in the eastern Asia on the South China Sea (SCS) summer monsoon is studied. Based on the investigation of the variations of SST and heat sources of atmosphere, the possible mechanism of the linkage between the winter and summer monsoon is also discussed. The main results are as follows: the influence of anomalous winter monsoon on the wind field in SCS region may persist from winter to summer. In the strong winter monsoon years, the strength of SCS summer monsoon will be stronger. And its onset will be earlier and on a more abrupt manner. In the weak years, the reverse holds. While in the Yangtze River Valley, following a strong winter monsoon, the convection in summer will be less active, and the precipitation, decrease. This kind of connection between the winter and summer monsoon may result from the variation of SST and heat sources in the atmosphere especially around the SCS region in spring and summer. The signs of SSTA distributions are largely contrary between strong and weak winter monsoon both in winter and coming seasons. For the strong winter monsoon cases, a La Nina type pattern appears in the tropical area. However, in the SCS and coastal area of Asia, it maintains a region of negative SSTA from winter to summer, reaching its maximum in spring around SCS region. The strong land-sea thermal contrast is favorable to the onset and strengthening of SCS summer monsoon. The reverse can be found for the weak winter monsoon cases. The anomaly of the heat sources of atmosphere is also clear from winter to summer associated with the anomalous winter monsoon. The distribution of the heat sources in summer for the strong winter monsoon cases is conducive for the strengthening of SCS summer monsoon.
%K South China Sea summer monsoon
%K sea surface temperature anomaly
%K heat sources in atmosphere
南海季风
%K 海温异常
%K 大气热状态
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=E62459D214FD64A3C8082E4ED1ABABED5711027BBBDDD35B&cid=28A2F569B2458C17&jid=484C10BAB5333C14751916EACFF8295F&aid=3043CCF37E45147F&yid=9806D0D4EAA9BED3&vid=94C357A881DFC066&iid=E158A972A605785F&sid=8ACD9060100C26F1&eid=1FF3CD54EFC256A1&journal_id=1006-9585&journal_name=气候与环境研究&referenced_num=17&reference_num=11