兰州市空气质量变化趋势及改善途径分析  

Study on Air Quality Change Trend and Improvement Approach in Lanzhou City

作　　者：李利平[1] 周围[1] 李雪梅[1] 魏善明[1] 

机构地区：[1]西北师范大学地理与环境科学学院,甘肃兰州730070

出　　处：《安徽农业科学》2006年第13期3158-3159,3162,共3页Journal of Anhui Agricultural Sciences

摘　　要：根据兰州市1990～2002年空气中SO2、NOx、TSP等大气污染物浓度的变化情况，分析了空气质量随年、季节变化的趋势和原因，并结合当地的能源结构、气候特征、城市综合发展水平，探讨了改善兰州市空气质量变化趋势的途径，为防治和减轻兰州市的空气污染提供科学依据。According to concentration change status of air contamination such as SO2, NOX, TSP and dustiness etc during 1990 - 2002 in Lanzhou city. In the paper,the causes and trend of air quality change with different year and season were analyzed. Considered local energy sources constitutes, climate character, comprehensive development level of city environment, improvement approach of air quality change trend in Lanzhou city was diaussed. What offers scientific way for prevention and cure and alleviation air pollution of Lanzhou city was put forward.

关 键 词：空气质量 变化趋势 改善 兰州市 

分 类 号：X831[环境科学与工程—环境工程]