赤道东太平洋海温与我国夏季雨日的相关矩分析

THE STUDY FOR THE RELATIONSHIPS BETWEEN EARLIER SEA SURFACE TEMPERATURE IN EASTERN PACIFIC OF THE EQUATOR AND RAIN DAYS IN SUMMER OVER CHINA

    摘要
  • 摘要: 近年来,赤道东太平洋地区海温变化对东亚地区大气环流及地面气象要素的影响的研究受到很大的关注1-5.本文试图分析这一地区海温变化对我国夏季雨日的影响,选择月雨日作为地面要素的代表,一方面是由于雨日对农作物生长关系密切,另方面在统计处理上,雨日较降水量更好地遵从正态分布.一些研究也认为月降水频数比月降水量更好处理一些6.本文提出用相关矩来代替相关系数在研究两个不同气象要素关系中具有更多的优点.

     

    Abstract: The correlation moment analysis which proposed in this paper in studying the relationships between SST and rain days can reveal that their relations varied with time.The results show that there are some nonlinear relationships between rain days over China and SST by means of the methods in this paper.

     

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