| 自贡市近50年来气候变化特征分析 |
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| 引用本文： | 袁立新,段修荣.自贡市近50年来气候变化特征分析[J].四川气象,2009(1):72-75. |
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| 作者姓名： | 袁立新 段修荣 |
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| 作者单位： | 自贡市气象局; |
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| 摘 要： | 本文利用自贡市1955～2006年的气温、降水资料，采用线性倾向估计、累计距平、Mann-Kendall等方法，研究了自贡市近52年来气温、降水的年、季变化特征。结果表明：在全球气候变化背景下，近52年来，自贡年平均气温略上升，年降水量略减少。秋季气候表现为明显的暖干趋势，春季气候则具有明显的变湿趋势。近10年来自贡气候变暖趋势明显。
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| 关 键 词： | 自贡 气温 降水 气候变化 |
Analysis on the Characteristics of Climate Change in Zigong in Recent 50 Years |
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| YUAN Lixin,DUAN Xiurong.Analysis on the Characteristics of Climate Change in Zigong in Recent 50 Years[J].Journal of Sichuan Meteorology,2009(1):72-75. |
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| Authors: | YUAN Lixin DUAN Xiurong |
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| Institution: | Zigong Meteorological Bureau;Zigong 643000 |
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| Abstract: | Based on Zigong meteorological data from 1955 to 2006,tendency method,accumulated anomaly method and Mann-Kendall method are adopted to analyze the characteristic of climatic change.The research shows:In the background of global warming,Zigong climate has changed.In recent 52 years,the annual average temperature has a weak increasing trend.The annual precipitation has a weak decreasing trend.Autumn has a notable warming-dry trend.Spring has a notable wetting trend.In recent 10 years,Zigong has a clearly cli... |
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| Keywords: | Zigong air temperature precipitation climate change |
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