| 近百年长江中游旱涝的变化 |
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| 引用本文： | 叶愈源,赵文兰.近百年长江中游旱涝的变化[J].热带气象学报,1995,11(2):181-186. |
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| 作者姓名： | 叶愈源 赵文兰 |
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| 作者单位： | 湖南省气象局 |
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| 摘 要： | 利用史料和器测雨量记录重建的近百年长江中游区域平均逐年旱涝等级指数序列研究了旱涝变化特征，发现：（１）２０世纪前涝后旱，（２）２２年、５－６年和２－３年的准周期振动，（３）６个交替出现的旱涝阶段。
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| 关 键 词： | 气候变化 旱涝 长江中游 |
| 收稿时间： | 1993/12/8 0:00:00 |
| 修稿时间： | 1994/4/25 0:00:00 |
VARIATIONS OF FLOODS AND DROUGHT IN MIDDLE REACHES OF CHANGJIANG RIVER VALLEY DURING THE LAST 100 YEARS |
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| Ye Yuyuan and Zhao Wenlan.VARIATIONS OF FLOODS AND DROUGHT IN MIDDLE REACHES OF CHANGJIANG RIVER VALLEY DURING THE LAST 100 YEARS[J].Journal of Tropical Meteorology,1995,11(2):181-186. |
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| Authors: | Ye Yuyuan and Zhao Wenlan |
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| Institution: | Meteorological Service of Hunan province, Changsha, 410007;Meteorological Service of Hunan province, Changsha, 410007 |
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| Abstract: | An index series of mean year-to-year categories for drought and flood in middle reaches of Changjiang river valley, reconstructed using historic data and raingauge records for the past 100 years, is used to study the variations. It is found that flooding |
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| Keywords: | Climatic change Drought and flood The last 100 years Middle reaches of Changjiang river valley |
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