城市PM_(10)污染与气象因素的关系研究  

Correlation Analysis between PM_(10) Pollution and Meteorological Elements in Tongliao,Inner Mongolia

作　　者：高亚敏[1] 韩永增[2] 孙宏宇[1] 

机构地区：[1]通辽市气象局,内蒙古通辽028000 [2]通辽市林业局,内蒙古通辽028000

出　　处：《环境科学与管理》2016年第3期113-117,共5页Environmental Science and Management

摘　　要：分析通辽观测站2011年6月至2013年5月PM10质量浓度与气象要素的相关关系,结果表明：（1）利用二次多项式描述风速与PM10质量浓度的变化关系更合理,PM10质量浓度最小值对应的风速为2.8 m/s。PM10污染在风速大于3.5 m/s时出现频率最高,在风速小于1.5 m/s时出现频率最低。（2）风向为偏西风（WNW）和偏南风（SSE-SSW）时,PM10污染时数出现频率较高。（3）当温度低时PM10浓度随着气温升高而增大,表现为正相关;当温度上升到一定程度（0℃~5℃左右时）后,PM10浓度随着气温的升高而逐渐降低,表现为负相关。（4）PM10浓度与降水和相对湿度分别呈负相关关系。The exploration and correlation analysis were done using the atmospheric composition observation data and meteorological elements data in Tongliao,from June in 2011 to May in 2013 to illustrate the relationship between the PM10 mass concentration and the meteorological elements. The results show that（ 1） The relationship between PM10 mass concentration and wind speed can be described by a binomial model which is more reasonable. The PM10 mass concentration observation data shows a minimum records with wind speed of 2. 6 m / s.（ 2） Higher frequency of pollution hours of PM10 mass concentration ≥150ug / m3 occur when wind direction is westerly wind（ W-NW） and southerly wind（ SSE-SSW）.（ 3） First,PM10 mass concentration increases as the temperature rises; when the temperature rises to a certain level（ 0℃ - 5℃ or so） later,PM10 mass concentrations decreases gradually as temperatures rises.（ 4） There is a negative correlation between PM10 mass concentration and essential factor such as precipitation,air humidity.

关 键 词：通辽 PM10 气象因素 

分 类 号：X51[环境科学与工程—环境工程]