Using sandy weather data from 681 meteorological stations,it can be analyzed and seen that the sandy weather in northern China in the spring of 2004 was abnormally less and weak in terms of frequency,intensity,area affected,and sandy aerosol.The total number of dusty weather days in the spring of 2004 exceeded only that in 1997 and 2003,taking the third place since 1961.Furthermore,the main reason was identified that the dynamical condition was inadequate in that season.So it was a special year of sandy weather in China.
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周自江,牛若蕓.2004年春季中國沙塵天氣特征分析.氣象科學,2007,(1):69-75 Zhou Zijiang, Niu Ruoyun. CHARACTERISTICS OF CHINA''''S SANDY WEATHER IN THE SPRING OF 2004. Journal of the Meteorological Sciences,2007,(1):69-75