A hierarchical cluster analysis of low-latitude Pc3—4 MHD waves |
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| Authors: | Zhao Zhengyu Shi Xinqing Xie Shuguo |
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| Institution: | (1) College of Electronic Information, Wuhan University, 430072 Wuhan, China |
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| Abstract: | A hierarchical cluster analysis has been made on the geomagnetic and geoelectric data of Nagoya (ϕ=21. 1°), Japan (1978–1981,
1985, 1987) and geomagnetic data of Wuchang (ϕ=19. 1°), China (1985–1995). From the cluster diagram it is seen that the monthly
mean occurrence of Pc3–4 observed at these two sites can be best grouped into 3 clusters.
Supported by the National Natural Science Foundation of China
Zhao Zhengyu: born in 1952, Doctor, Associate professor |
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| Keywords: | cluster analyse low-latitude Pc3– 4 |
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