| 摘要: |
| 以南宁市石门森林公园和狮子山公园为研究对象，监测其空气负氧离子浓度和气温、相对湿度、PM1.0、PM2.5、PM10 等环境因子，研究森林公园空气负氧离子变化特征及影响因素。结果表明：不同区域负氧离子浓度为草坪 < 灌木林 < 乔木林；空气负氧离子浓度城郊森林公园显著高于城区森林公园；晴天两公园的负氧离子浓度均可达到第 5 级标准，浓度日变化曲线交替出现波峰波谷，晴天，狮子山公园峰值在 12:00 时和 16:00 时出现，石门森林公园峰值在 12:00 时和 15:00 时出现，雨天负氧离子浓度基本呈 U 型分布，两边高中间低；空气负氧离子浓度为雨天 > 晴天 > 阴天；此外，空气负氧离子浓度与气温、相对湿度呈显著正相关，与 PM1.0、PM2.5、PM10 均呈极显著负相关。 |
| 关键词: 森林公园 空气负氧离子 特征 气象因子 |
| DOI： |
| 投稿时间：2022-01-26修订日期：2022-04-18 |
| 基金项目:南宁师范大学博士科研启动资金项目（602021239143）；南宁师范大学大学生创新创业项目（0620063786）；广西优良用材林资源培育重点实验室自主课题（2020-A-04-02）；广西地表过程与智能模拟重点实验室联合开放或系统基金项目（NNNU-KLOP-K1902）； |
|
| Characteristics and Influencing Factors of Air Negative Oxygen Ions in Typical Forest Parks in Nanning City |
| CHEN QI KAI,LU XIAO JING,DENG JIA LI,LU BING MIN,TIAN HONG DENG,GAN GUO JUAN |
| (Nanning?Normal?University;Guangxi Zhuang Autonomous Region Forestry Research Institute) |
| Abstract: |
| Air negative oxygen ions have the effect of antibacterial and dust removal, promoting metabolism and improving human immunity, which is one of the indicators to measure the good and bad of urban green lung function. Taking Shimen Forest Park and Lion Mountain Park in Nanning City as research objects, and the air negative oxygen ion concentration and the meteorological environmental factors which include temperature, humidity, PM1.0, PM2.5, and PM10 and so on were monitored to research the change characteristics and influencing factors of air negative oxygen ions in forest park. The results showed that the negative oxygen ion concentration in different areas was lawn < shrubbery < arbor forest, and in the same city was suburban forest park significantly higher than urban forest park. The concentration of negative oxygen ion in two parks could reach the level 5 standard on sunny day. The diurnal curve of negative oxygen ion concentration in two parks alternated peaks and troughs on sunny day, the peaks of Lion Mountain Park appeared at 12:00 and 16:00, and the peaks of Shimen Forest Park appeared at 12:00 and 15:00. The diurnal curve of negative oxygen ion concentration was a U-shaped that the middle is low, and the sides are high on rainy day. The air negative oxygen ion concentration was rainy day > sunny day > cloudy day. In addition, the negative oxygen ion concentration of air was significantly positively correlated with air temperature and relative humidity, and was significantly negatively correlated with PM1.0, PM2.5 and PM10. The above results can provide data support for the construction layout, leisure and health care, vegetation collocation and forest planning of Nanning Forest Park. |
| Key words: forest park air negative oxygen ion characteristics meteorological factors |
