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| 紫外线辐射特征及影响因素分析 | |
| 引用本文： | 骆丽楠,梁明珠,张红雨,史源香.紫外线辐射特征及影响因素分析[J].气象科技,2007,35(4):571-573. |
| 作者姓名： | 骆丽楠 梁明珠 张红雨 史源香 |
| 作者单位： | 1. 浙江省湖州市气象局,湖州,313000 2. 山西省气象局业务处,太原,030002 3. 山西省气象网络中心,太原,030006 |
| 摘 要： | 对太原市2002~2004年紫外线观测资料进行统计分析结果发现:紫外线辐射具有正午强早晚弱,夏季强冬季弱的特点;紫外线大值出现时间夏季明显早于冬季;通过与同时段气象因素对比分析,揭示了云状和云量、气压、能见度、湿度、空气污染对紫外线辐射的不同影响程度;紫外线辐射占太阳总辐射百分比具有冬季少夏季多和有云时非同比衰减的特点。紫外线的预报还要注重最大半小时平均值的预报,以预估紫外线对人体的最大可能伤害程度。 |
| 关 键 词： | 紫外线辐射 变化特征 影响因素 |
| 收稿时间： | 2006/8/14 0:00:00 |
| 修稿时间： | 2006-08-14 |
Characteristics of Solar Ultraviolet Radiation and Its Influencing Factors |
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| Luo Linan,Liang Mingzhu,Zhang Hongyu and Shi Yuanxiang.Characteristics of Solar Ultraviolet Radiation and Its Influencing Factors[J].Meteorological Science and Technology,2007,35(4):571-573. | |
| Authors: | Luo Linan Liang Mingzhu Zhang Hongyu and Shi Yuanxiang |
| Institution: | 1 Huzhou Meteorological Bureau, Zhejiang Province, Huzhou 313000; 2 Shanxi Provincial Meteorological Bureau, Taiyuan 030002; 3 Shanxi Provincial Meteorological Network Centre, Taiyuan 030006 |
| Abstract: | An analysis is made of the data of solar ultraviolet radiation(UV) observed at Taiyan for three years.The results show that UV is the highest in sunny midday,obvious higher in summer than in winter,and the occurrence time of the highest UV is earlier in summer than in winter.Some meteorological factors and air pollution of the same time is also analyzed,and the results shows that UV is influenced by cloud form,cloud cover,air pressure,air temperature,visibility,humidity,air pollution,etc.The ratio of UV to the global radiation is higher in summer than in winter,and the attenuation is not synchronous in cloudy days.It is suggested that half-hour averaged maximum UV and averaged UV from 10:00 to 14: 00 have the same importance for UV forecasting,so to estimate the possible harm of UV to human bodies. |
| Keywords: | ultraviolet radiation variation characteristic influencing factor |
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