【摘要】 根据大气环流演变的阶段性,阐明自然天气阶段的基本概念,提出划分天气阶段的依据和方法,分析山东省夏季5个天气阶段的环流形势和天气气候特征以及阶段转换的规律。更多还原

【Abstract】 In accordance with the fact that the variation of the atmospheric circulation manifestsitself in stages,so does the variation of synoptical characteristics.It is based on this phenomenon that we put forward in this paper the concept of weather stages.The foundation and method for specifying the weather stages are presented,and the circulation and synoptical characteristics of the five weather stages in summer in Shandong Province and the transfor-from one stage to another are analysed.更多还原