摘要
根据伊春市五营国家森林公园中的空气负氧离子浓度的实测资料,利用空气离子单极系数及空气离子评价系数进行了评价和研究.结果表明,该森林公园中空气负离子含量达到国际旅游度假区一级标准,空气清洁度属于A级“最清洁”;在动态水周围的一定范围内随着与动态水的距离的逐渐增大,空气离子单极系数大致呈线性增加趋势;空气离子评价系数值大致呈线性减小趋势.而在这个范围之外,两个值都将趋于平缓;在分别以红松、冷杉和白桦三种树种为主体的纯林中,空气清洁度均在早晚时比较高,在中午时出现低谷.
By measuring the concentration of negative air ion in the Wuying national forest park of Yichun city,air quality was assessed and studied using ion polarity ratio and air ion assessment index(CI).The results show that air CI was A grade(National Standard) in the forest park and the air anions was the first grade standard in the international tourist holiday areas;when the distance from the dynamic water body was gradually increased in the certain space around the water body,ion polarity ratio was linear up,while air ion assessment index(CI) was linear down.Generally,out of the field,both of the number was almost unchangeable.In the pure forest of red pine,fir,birch,air ion assessment index(CI) was higher in the morning and evening,while lower at noon.
出处
《哈尔滨师范大学自然科学学报》
CAS
2007年第4期89-92,102,共5页
Natural Science Journal of Harbin Normal University
基金
黑龙江省伊春市政府重点资助项目
关键词
空气负离子
单极系数
空气离子评价系数
五营国家森林公园
Negative air ion
Ion polarity ratio
Air ion assessment index(CI)
The Wuying national forest park
