ISSN 1000-0526
CN 11-2282/P

Volume 18,Issue 12,1992 Table of Contents

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  • 1  An Analysis of Rainwater Temperature Difference on Ground between Natural and Seeded Cumulus in Summer in Wuhan
    徐永胜 陈历舒 贾绽云
    1992, 18(12):3-8. DOI: 10.7519/j.issn.1000-0526.1992.12.001
    [Abstract](362) [HTML](0) [PDF 451.27 K](389)
    Abstract:
    Rainwater temperature differences of natural and seeded clouds are analysed using method of atatistical and some ceaes based on the data of rainwater temperature, environmental air temperature, rain amount and data of radar echoes from 1989 to 1990. The results are: 1)the rainwater temperatures of seeded cumulus are lower than that of natural ones. The mean of the differences is 0. 8℃ ,2)rainwater temperatures of most seeded cumulus are lower than the environmental, air temperature. The mean value of difference between both is 2. 0℃ and the maximum is 2. 3℃.
    2  A Three-Group Discriminant Model for Diagnosing El-Nino Event
    施能 曹鸿兴
    1992, 18(12):9-12. DOI: 10.7519/j.issn.1000-0526.1992.12.002
    [Abstract](356) [HTML](0) [PDF 338.43 K](357)
    Abstract:
    Based on the monthly data of five teleconnection pattern indices in Northern Hemisphere and SOI during the years of 1951 -1990,the discriminant model for diagnosing El Nino event is presented. The results of the discriminant model are figuratively indicated with a probabi lity trigonometry. By means of the model a new El Nino event has been predicted for 1991.

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