| 西藏羊八井地区近地晴天大气电场周期变化 |
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| 引用本文： | 徐斌,张颖,贾焕玉,陈天禄,袁爱芳,孟宪茹.西藏羊八井地区近地晴天大气电场周期变化[J].高原气象,2009,28(2):314-318. |
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| 作者姓名： | 徐斌 张颖 贾焕玉 陈天禄 袁爱芳 孟宪茹 |
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| 作者单位： | 1. 西南交通大学,现代物理研究所,四川,成都,610031
2. 西藏大学,宇宙线研究所,西藏,拉萨,850000 |
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| 摘 要： | 基于西藏ARGO-YBJ实验,分析了2005年12月-2007年9月期间西藏羊八井地区近地晴天大气电场强度的周期变化,并重点讨论了其太阳日周期的相位变化.结果表明,晴天状态下大气电场强度存在明显的半日周期和太阳日周期变化.太阳日周期的相位变化呈现大陆复杂型(双峰、双谷),日变化曲线随季节变化,在冬季,电场强度水平较高,最大日变化幅度约30%;春、夏季电场强度水平较低,最大日变化幅度约15%.该初步研究结果对了解西藏地区晴天大气电特征具有十分重要的意义.
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| 关 键 词： | 晴天大气电场 周期变化 相位分布 |
Periodic Variations of Fair-Weather Atmospheric Electric Field Near Ground in Yangbajin of Tibet |
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| XU Bin,ZHANG Yin,JIA Huang-yu,CHEN Tian-lu,YUAN Aai-fang,MENG Xian-ru.Periodic Variations of Fair-Weather Atmospheric Electric Field Near Ground in Yangbajin of Tibet[J].Plateau Meteorology,2009,28(2):314-318. |
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| Authors: | XU Bin ZHANG Yin JIA Huang-yu CHEN Tian-lu YUAN Aai-fang MENG Xian-ru |
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| Institution: | 1.Institute of Modern Physics;Southwest Jiaotong University;Chengdu 610031;China;2.Institute of Cosmic Ray;Tibet University;Lhasa 850000;China |
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| Abstract: | Based on the ARGO-YBJ experiment in YBJ of Tibet,the periodicities of fair-weather atmospheric electric field near ground are analyzed and the actions of solar diurnal periodicity are discussed using the data of fair-weather atmospheric electric field from December 2005 to September 2007.The results show that the periodicities of solar diurnal and semi-diurnal are found with large enough significance.The phase distribution of solar diurnal present a perplexing type(dual-peak and vale),and the curves change ... |
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| Keywords: | Fair-weather atmospheric electric field Periodic variations Phase distribution |
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