冬季中国上空平直西风环流条件下的西风波动

THE UPPER AIR COLD TROUGH OVER CHINA DURING HIGH INDEX CIRCULATION OVER FAR EAST

中文摘要:

      在亚洲中部和南部上空平直西风的环流条件下,往往有一个个高空西风带的低压槽从亚洲西部越过西藏高原移到中国东部。这类高空的低压槽在低层对流层大气中表现不很清楚,但在高层对流层中却表现很显著。在本文中对于这类高空槽的结构和性质作了叙述,并举出1956年2月10—12日的一个高空低槽的例子。

英文摘要:

      During High-Index Circulation over Far East,A series of cold trough in the upper troughs may pass over Tibet plateau from the west and move to Eastern China.But in the lower troposphere these troughs are very obscured over the plateau.In this paper the structure and characteristics of these troughs are discussed,and a spnvptic example of Feb.10-12 1956 is given.