引用本文:邹强,宋福明,张晓华,丁黄达.苏州市区能见度变化特征既影响因素分析[J].环境监控与预警,2011,3(03):41-44
.Analysis on the Variation Characteristics and Effect Factors of Visibility in Suzhou[J].Environmental Monitoring and Forewarning,2011,3(03):41-44
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苏州市区能见度变化特征既影响因素分析
邹强,宋福明,张晓华,丁黄达
苏州市环境监测中心站,江苏 苏州 215004
摘要:
近一年的观测结果表明,苏州市区能见度年均值为 15.8km,一年之中,7月能见度水平最好,11月能见度水平最低,月均值为 10.5km。一日之中,早8时左右能见度最差,14时左右最好。导致苏州市区能见度水平下降的主要污染因子为PM2.5,相同PM2.5浓度下,能见度随着湿度的升高而下降。
关键词:  苏州市  能见度  PM2.5  黑碳
DOI:
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基金项目:
Analysis on the Variation Characteristics and Effect Factors of Visibility in Suzhou
Abstract:
Based on the study and monitoring of visibility in Suzhou recently, the results show that the annual average value of visibility is about 15.8km. Through a year, the maximum visibility occurs in July, and the minimum occurs in November,which was about 10.5km. In a day, the lowest visibility appeared at 8 a.m., and the highest visibility appeared at 2 p.m. The major causes of the decrease of visibility is PM2.5. With the same concentration of PM2.5,the higher relative humidity is,the lower visibility is.
Key words:  :Suzhou  visibility  PM2.5  blackcarbon