| 武汉天河机场低能见度现象的气候特征分析 |
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| 引用本文： | 胡迪.武汉天河机场低能见度现象的气候特征分析[J].山西气象,2006,19(3):18-20. |
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| 作者姓名： | 胡迪 |
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| 作者单位： | 山西省观象台 山西太原030006(徐可文，李红，李秀珍)，山西省阳泉市气象局 山西阳泉045000(李智才) |
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| 摘 要： | 用5年滑动平均方法并用最小二乘法建立方程式,计算太阳辐射气候倾向率及日照气候倾向反映太阳辐射的45a变化趋势,用小波分析方法分析太阳总辐射的周期变化规律。结果表明,太原地区的年日照时数减少,年总辐射量呈显著减少趋势,有11a的周期变化,在1981年左右有突变。初步统计能见度低于10km次数在逐年增多。
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| 关 键 词： | 太阳总辐射 周期与季节变化 日照时数 成因初步分析 |
| 文章编号： | 1004-5732（2006）03-0018-02 |
| 收稿时间： | 2006-01-17 |
| 修稿时间： | 2006-01-17 |
The Analysis of Solar Radiation and Relative factors in Taiyuan City |
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| Xu Kewen,Li Zhicai,Li Hong,Li Xiuzhen.The Analysis of Solar Radiation and Relative factors in Taiyuan City[J].Shanxi Meteorological Quarterly,2006,19(3):18-20. |
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| Authors: | Xu Kewen Li Zhicai Li Hong Li Xiuzhen |
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| Institution: | 1. Shanxi Meteorological Observatory, Taiyuan Shanxi, 030006; 2. Yangquan Meteorology Bureau of Shanxi Province, Yangquan Shanxi, 045000 |
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| Abstract: | By using the 5-piont running average and the least square method, the trends of solar radiation and duration of sunlight are calculated. At the same time, the periodic change of solar radiation is analyzed by wavelete method. The results show that the duration of sunlight as well as annual solar radiation decrease. The periods is 11a and there is a jump about 1981. In addition the frequency of visibility less than 10km increases based on the primary results. |
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| Keywords: | Solar Radiation Periodic and Seasonal Variation Duration of Sunlight Primary Analysis of Cause |
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