漠河针叶林空气负离子浓度日变化特征研究

单晟烨,齐超,张冬有

中国农学通报. 2015, 31(25): 13-18

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中国农学通报 ›› 2015, Vol. 31 ›› Issue (25) : 13-18. DOI: 10.11924/j.issn.1000-6850.casb15050146
林学 园艺 园林

漠河针叶林空气负离子浓度日变化特征研究

  • 单晟烨,齐超,张冬有
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Daily Variation of Negative Air Ions Concentration in the Coniferous Forest in Mohe County

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摘要

为探明大兴安岭针叶林空气负离子浓度日变化特征，选择2012年、2013年的夏、秋2季，于漠河北极村附近分别选取100m2的樟子松、落叶松林地，测量并分析2处样地的空气负离子浓度与季节、测量点位置和温湿度等环境因子在日变化上的相互关系。研究表明，针叶林空气负离子日平均浓度在中午12时达到峰值，为1155个/cm3，在凌晨2时达到谷值，为254个/cm3，夏季针叶林空气负离子平均浓度高于秋季。落叶松林地空气负离子浓度平均水平高于樟子松林地。空气负离子浓度在林地边缘密度略大于林地中心。通过相关分析，针叶林地空气负离子浓度与空气温度呈极显著正相关，与空气湿度呈显著负相关。空气负离子浓度不仅可以评价空气清洁水平，也是衡量环境质量的重要参数。

Abstract

Relationships between the negative air ions concentrations in the Pinus sylvestris var. mongolica and Larix gmelini and environmental factors, such as different seasons, locations, humidity or temperature, etc, in each day were analyzed, in order to investigate the daily variation of negative air ions concentrations in Mohe County. The samplings were measured in the sampling areas of 100 m2 in summer and autumn in 2012 and 2013, respectively. The results showed that the daily negative air ions concentration in coniferous forest was 1155 ions/cm3 at 12:00 AM which was the highest, and was 254 ions/cm3 at 2:00 AM which was the lowest. The coniferous forest negative air ions concentration in summer was higher than that in autumn. The average level of the negative air ions concentration in Larix gmelini was higher than that in Pinus sylvestris var. mongolica. The density of negative air ions concentration in the forest edge was slightly higher than that in the forest center. The correlation analysis showed that negative air ions concentration in coniferous forest was positively correlated with air temperature, but was negatively correlated with air humidity. Therefore, the negative air ions concentration can not only be an evaluated index of air cleaning level, but also an important parameter to measure the quality of the environment.

关键词

空气负离子； 日变化； 浓度； 樟子松； 兴安落叶松； 温湿度

Key words

negative air ions; daily variation; concentration; Pinus sylvestris var. mongolica; Larix gmelini; temperature and humidity

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单晟烨,齐超,张冬有. 漠河针叶林空气负离子浓度日变化特征研究. 中国农学通报. 2015, 31(25): 13-18 https://doi.org/10.11924/j.issn.1000-6850.casb15050146
Daily Variation of Negative Air Ions Concentration in the Coniferous Forest in Mohe County. Chinese Agricultural Science Bulletin. 2015, 31(25): 13-18 https://doi.org/10.11924/j.issn.1000-6850.casb15050146

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