地理研究

地理研究 ›› 1999, Vol. 18 ›› Issue (3): 254-259.doi: 10.11821/yj1999030005

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地球自转速率变化影响大气环流的事实及机制探讨

黄玫, 彭公炳, 沙万英   

  1. 中国科学院地理研究所, 北京100101
  • 收稿日期:1998-11-20 修回日期:1999-03-13 出版日期:1999-09-15 发布日期:1999-09-15
  • 作者简介:黄玫(1968- ),女,壮族,广西横县人,助理研究员,硕士.从事气候变化的机制研究.

The influence of the earth’s rotation ration on the atmosphere circulation and a discussion on its mechanism

HUANG Mei, PENG Gong-bing, SHA Wan-ying   

  1. Institute of Geography, Chinese Academy of Sciences, Beijing 100101, China
  • Received:1998-11-20 Revised:1999-03-13 Online:1999-09-15 Published:1999-09-15

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摘要： 通过相关分析从统计学角度探讨了地球自转速率变化对北半球月平均500HPa大气环流的影响,同时探讨了这一影响的物理机制。

关键词: 地球自转, 大气环流, 环流量, 离心力

Abstract: In this paper, correlation analysis was used to analyse the relationship between the Earth's rotation ration and monthly mean 500hPa atmosphere circulation. The research results show that in the Earth's higher speed years, 500hpa polar vortex and India-Burma trough are filled, the Atlantic high, the North America high and the Atlantic Ocean-North America subtropical high are intensified and the location is inclined to north. In the Earth's lower speed years, 500hpa polar vortex and India-Burma trough are deepened, the Atlantic high, the North America high and the Atlantic Ocean-North America subtropical high are weakened and the location is inclined to south. The mechanism is that the variation of the Earth's rotation ration causes an additional centrifugal force. The force makes the atmosphere move in north-south, up and down directions. The movement of the air causes the general circulation to be changed.

Key words: the earth’s rotation ration, atmosphere circulation, centrifugal force, atmosphere circulation index

PACS: 

  • P434:P183.3