1991年-2000年长治市大气SO2的污染动态分析  

Analysis on the Dynamic Characteristics of the SO_2 Concentration in the Air from 1991 to 2000 in Changzhi,Shanxi

作　　者：张桂萍[1] 栗建华 尚菊红 

机构地区：[1]山西大学黄土高原研究所 [2]山西省长治市环境监测站,山西长治046000

出　　处：《山西大学学报（自然科学版）》2007年第1期120-124,共5页Journal of Shanxi University(Natural Science Edition)

基　　金：山西省留学基金项目(2006)

摘　　要：研究了长治市1991年-2000年大气主要污染物——SO2浓度的时空变化规律,结合相关分析探讨了SO2污染与社会和环境因子的关系.结果表明：①大气SO2浓度随时间推移总体呈逐年上升趋势,年日均值从1991年的0.039 mg/m^3上升到2000年的0.064 mg/m^3,平均增长了64.1%;方差分析结果表明10 a间SO2浓度除1993年与1999年、1993年与2000年间SO2差异显著外（P〈0.05）,其余年份间差异均不显著.②SO2浓度随季节变化表现为1季度最高,为0.102 mg/m^3,3季度最低,为0.023 mg/m^3,方差分析结果表明除一季度与其它三个季度SO2浓度差异显著外,其它三个季度间差异均不显著;③6个监测点SO2浓度年日均值由大到小依次为十字街〉马厂〉长钢〉清华〉轴承〉液压;聚类分析将6个监测点划分为重污染区和轻污染区两类;④SO2浓度与社会和环境因子的相关分析表明：SO2浓度与耗煤量、人口密度、废气排放量及工业总产值呈显著正相关（P〈0.05）,其中SO2浓度与耗煤量的相关系数最大.此外,对长治市的SO2污染治理工作提出了建议.By ANOVA,correlation analysis and clustering analysis,the temporal and spatial variation regularity and the dynamic characteristics of the concentration of SO2 pollutant in the air from 1991 to 2000 in Changzhi,Shanxi were studied. The results were as follows ：① The concentration of SO2 pollutant was rising from 0. 039 mg/m^3 to 0. 064 mg/m^3 with the development of time,and had increased by 64.1 ^ during 10 a. ANOVA revealed that there were no significant difference between the SO2 concentrations in the 10 a except between 1993 and 1999,and 1993 and 2000. ② Because of the increasing of burning coal in winter, the concentration of SO2 pollutant was changing with seasons and was the highest in the first season,0. 102 mg/m^3,and it was the lowest in the third season,0. 023 mg/m^3. ANOVA showed that the difference of the SO2 concentration was significant between the first season and three other seasons,but was insignificant between three other seasons. ③ The sequence of the annual average SO2 concentration in the air at 6 monitoring sites was Shizi Street （0. 064 mg/m^3）, Machang （0. 060 mg/m^3）, Changgang （0. 045 mg/m^3）, Qinghua （0. 043 mg/m^3）,Zhoucheng （0. 041 mg/m^3） and Yeya （0. 039 mg/m^3）. The cluster analyses showed that the 6 monitoring sites were divided into 2 groups. ④ The correlative analyses indicated that there was a clear linear regression correlation between the SO2 concentration and the amount of burning coal ,the population densities ,the industry production,and so on. Moreover,some strategies for controlling the output of the SO2 pollutant was discussed.

关 键 词：长治市 大气污染 SO2 变化趋势 

分 类 号：X512[环境科学与工程—环境工程]