| 近100年四川气温变化的多时间尺度分析 |
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| 作者姓名： | 陈文秀 郝克俊 田宏 |
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| 作者单位： | （四川省气候中心,成都 610072） |
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| 摘 要： | Using the adaptivemultiresolution data filter,the multihierarchical structure and jump features of climate changes in Sichuanprovince during last 100 years are studied．The results show that（1）the air temperature variations in Sichuan basin can bedescribed as three hierarchiescold period before 1932,warm period from 1933～1965 and cold period after 1966．（2）The year 1949 is the jump point of cooling,and the temperature warming after1987 is unstable．
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| 关 键 词： | 气温变化 多时间尺度分析 四川 |
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