| 1951—2005年鞍山冬季气温变化分析 |
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| 引用本文： | 阎琦,崔锦,吴艳青.1951—2005年鞍山冬季气温变化分析[J].气象与环境学报,2008,24(4):53-55. |
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| 作者姓名： | 阎琦 崔锦 吴艳青 |
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| 作者单位： | 1.南京大学大气科学系 江苏南京210044;2.鞍山市气象局 辽宁鞍山114004;3.中国气象局沈阳大气环境研究所 辽宁沈阳110016 |
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| 摘 要： | 根据1951—2005年鞍山逐月气温资料,采用线性增长率、小波分析与滑动平均等方法对鞍山冬季气温进行分析。结果表明:近55 a来鞍山冬季气温呈明显上升趋势;冬季平均气温变化具有明显的阶段性和突变性特征,存在158、a和5 a的主要周期。
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| 关 键 词： | 冬季气温 变化特征 小波系数 合成分析 |
| 收稿时间： | 2007-9-4 |
| 修稿时间： | 2008-1-15 |
Characteristics of winter air temperature from 1951 to 2005 in Anshan,Liaoning province |
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| YAN Qi,CUI Jin,WU Yan-qing.Characteristics of winter air temperature from 1951 to 2005 in Anshan,Liaoning province[J].Journal of Meteorology and Environment,2008,24(4):53-55. |
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| Authors: | YAN Qi CUI Jin WU Yan-qing |
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| Institution: | 1.Department of Atmospheric Sciences;Nanjing University;Nanjing 210093;China;2.Anshan Meteorological Bureau;Anshan 114004;China;3.Institute of Atmospheric Environment;China Meteorological |
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| Abstract: | Based on the monthly average air temperature data from 1951 to 2005 in Anshan,winter air temperature was analyzed with linear trend analysis and wavelet analysis as well as moving average methods.The results show that winter air temperature in Anshan has an obvious ascending tendency from 1951 to 2005.The changes of winter air temperature are abrupt and periodic characteristics.The main periods of winter air temperature are about 15 a,8 a and 5 a. |
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| Keywords: | Air temperature change Change characteristics Wavelet coefficient Composite analysis |
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