婺源县空气负离子分布规律初步分析

在婺源大鄣山卧龙谷景区、鸳鸯湖景区、月亮湾景区、城区和部分村庄选取7个能够代表当地生态环境特征的监测点,进行为期2 d的负离子浓度、温度、风向、风速、空气相对湿度和气压流动监测,并与南昌城区负离子浓度观测资料进行对比,初步分析了负离子分布规律,以及负离子与首要污染物(PM10)的关系.分析结果认为,负离子浓度与植被覆盖率、海拔高度呈正相关,与首要污染物浓度呈负相关;风景区的负离子浓度高于城区:植被状况与瀑布对负离子的空间分布影响最大.

Analysis of the Distribution of Atmospheric Anion in Wuyuan County

An Observation of air negative oxygen ion, temperature, wind speed and direction, humidity and barometric pressure were carried on separately at Wolong valley scene, Mandarin Duck lake scene, Moon bay scene, the town zone and partly village which were characteristic of ecological environment in Wuyuan. Through contrasting the anion data with Nanchang city,the distribution of atmospheric anion is figured out. In addition,the relationship between anion and the primary pollutant is analyzed. The result indicates that the concentration of the main pollutant assumes inverse correlation with the anion density,the vegetative cover and altitude behave conversely. The scenic spot density is higher than that of the city, and the vegetative cover and the waterfall have the biggest effect to the distribution of atmospheric anion.