| 中国西部降水和树轮关系及传输函数探讨 |
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| 引用本文： | 唐佑民,王一淳,柳又春.中国西部降水和树轮关系及传输函数探讨[J].成都信息工程学院学报,1991(2). |
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| 作者姓名： | 唐佑民 王一淳 柳又春 |
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| 作者单位： | 成都气象学院
(唐佑民)，贵州省气象局
(王一淳)，南京气象学院(柳又春) |
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| 摘 要： | 本文利用EOF展开,对我国西部树轮指数和降水场进行了讨论,分别计算了降水和树轮的第一、第二主成份的周期。结果表明我国西部树轮和降水在空间与时间上都有着较好的对应关系。在此基础上,通过稳健回归方法对树轮和降水的传输函数进行了研究。
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| 关 键 词： | 气候学 年轮气候学 气候因子 树轮 降水 传输函数 |
THE RELATION BETWEEN PRECIPITATION AND TREE-RING IN THE WEST CHINA AND TRANSFORMATION FUNCTION |
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| Tang Youmin Wang Yichim.THE RELATION BETWEEN PRECIPITATION AND TREE-RING IN THE WEST CHINA AND TRANSFORMATION FUNCTION[J].Journal of Chengdu University of Information Technology,1991(2). |
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| Authors: | Tang Youmin Wang Yichim |
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| Institution: | Tang Youmin Wang Yichim
(Chengdu Inst. of Meteo) (Guizhou Provincial Meteo. Service)
Liu Youchun (Nanjing Inst. of Meteorology) |
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| Abstract: | In this paper, tree-ring indexes and precipitation of the west China are decomposed into space field and time coefficients by EOF method. On this basis,some features about space field and time coefficients of tree-ring indexes and precipitation using typical field and spectrum analysis are discussed. The results indicate that there is a good relation between tree-ring indexes and precipitation in the west China. Finally, the transformation function of time coefficients between tree-ring indexes and precipitation applying robust regression is devised. |
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| Keywords: | Climatology Tree-ring climatology Climatic factor Tree- ring Precipitation Transforma-tion function |
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