| 邵阳市区60年来的冷暖变化特征 |
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| 引用本文： | 吕校华,杨科,戴劲,吕延.邵阳市区60年来的冷暖变化特征[J].安徽农业科学,2011,39(31):19481-19484. |
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| 作者姓名： | 吕校华 杨科 戴劲 吕延 |
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| 作者单位： | 1. 湖南省邵阳市气象局,湖南邵阳,422000
2. 湖南省邵阳县气象局,湖南邵阳,422100 |
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| 摘 要： | 以年平均气温的距平值作为划分冷暖的依据,初步讨论了以邵阳市近60年资料为主,结合邻近邵阳市的邵东县与邵阳县的相应变化趋势,总结出邵阳市区的冷暖变化特征。结果表明,近60年来邵阳市区的气候是变暖的,气温年较差是缓慢递减的;邵阳市区近60年交替出现了4个寒冷期和4个温暖期,冷暖变化交替出现;寒期汛期雨量偏多,涝比旱重,暖期汛期雨量偏少,旱比涝重,干旱频率从90年代开始不断增加,到21世纪几乎年年有旱。
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| 关 键 词： | 冷暖期 变化特征 邵阳市区 |
Temperature Changes Characteristics in Shaoyang City in 60 Years |
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| Institution: | LV Xiao-hua et al(Shaoyang Meteorological Office of Hunan Province,Shaoyang,Hunan 422000) |
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| Abstract: | Taking the anomaly of annual average temperature as the divided basis of temperature changes,moreover,data of 60 years in Shaoyang City and combining with corresponding changing trend of the neighboring Shaodong County and Shaoyang County were discussed preliminarily,thus,temperature variation characteristics of Shaoyang City were summarized.The results indicated that the climate of Shaoyang City in recent 60 years has increased,annual temperature range has decreased slowly;there were four algid stages and four warm stages occurred alternately in recent 60 years in Shaoyang City,changes between cold and warm occurred alternately;precipitation in clod stage and flood season were more,waterlogging was worse than drought,precipitation in warm stage and flood season were less,drought was worse than waterlogging,frequency of drought had increased since 1990s,and since 21st century,it almost has drought disaster each year. |
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| Keywords: | Changes in temperature period Variation characteristics Shaoyang City |
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