| 北京地区大气气溶胶浑浊度系数β值的气候变化特征 |
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| 引用本文： | 姚佩珍,张强.北京地区大气气溶胶浑浊度系数β值的气候变化特征[J].应用气象学报,1994,5(1):11-18. |
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| 作者姓名： | 姚佩珍 张强 |
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| 作者单位： | 1.国家气象中心 |
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| 摘 要： | 利用北京1958—1989年共32年逐日晴空直接辐射资料，计算了大气气溶胶浑浊度系数β值，并结合北京市场用煤资料、天气状况资料和火山爆发资料对β值的年变化及多年变化特征及其成因进行了分析和初步研究。结果表明，北京地区的β值在春季最大，秋末初冬最小；1958—1977年，北京地区β值变化缓慢，维持在0.08—0.12之间，1978年以后，β值有显著增大趋势；一般情况下，非采暖期的β值反而大于采暖期的β值。
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| 关 键 词： | 北京 浑浊度系数 气候变化 |
The Climatic Features of Atmospheric Aerosol Turbidity Parameter over Beijing |
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| Yao Peizhen,Zhang Qiang.The Climatic Features of Atmospheric Aerosol Turbidity Parameter over Beijing[J].Quarterly Journal of Applied Meteorology,1994,5(1):11-18. |
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| Authors: | Yao Peizhen Zhang Qiang |
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| Affiliation: | 1.(National Meteorological Center, Beijing 100081) |
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| Abstract: | Based on the data of daily direct solar radiation during clear days from 1958 to 1989 over Beijing, the atmospheric aerosol turbidity parameters β over this area are calculated. And by combining the results above with the data of coal consumption of the market, weather conditions and volcanic eruptions, the features of annual and interannual changes ofβ and their causes are estimated. The results show that the maximum values ofβ occur in spring and the minimum in the season between autumn and winter; the values ofβ from 1958 to 1997 changed slowly and maintained a range of values between 0.08 and 0.12; after 1978 the values increased rapidly. And generally, the values ofβ in the heating seasons are smaller than that in the other time. |
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| Keywords: | Beijing Turbidity parameter Climatic variation |
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