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重庆缙云山4种典型林分的大气颗粒物浓度差异及不同大气条件影响研究

赵冰清 王云琦 赵晨曦 余蔚青 刘辉

赵冰清, 王云琦, 赵晨曦, 余蔚青, 刘辉. 重庆缙云山4种典型林分的大气颗粒物浓度差异及不同大气条件影响研究[J]. 北京林业大学学报, 2015, 37(8): 76-82. doi: 10.13332/j.1000-1522.20150008
引用本文: 赵冰清, 王云琦, 赵晨曦, 余蔚青, 刘辉. 重庆缙云山4种典型林分的大气颗粒物浓度差异及不同大气条件影响研究[J]. 北京林业大学学报, 2015, 37(8): 76-82. doi: 10.13332/j.1000-1522.20150008
ZHAO Bing-qing, WANG Yun-qi, ZHAO Chen-xi, YU Wei-qing, LIU Hui. Difference in the concentration of atmospheric particles of four kinds of typical forest stands and the influence of different atmospheric conditions in Jinyun Mountain, Chongqing of southwestern China[J]. Journal of Beijing Forestry University, 2015, 37(8): 76-82. doi: 10.13332/j.1000-1522.20150008
Citation: ZHAO Bing-qing, WANG Yun-qi, ZHAO Chen-xi, YU Wei-qing, LIU Hui. Difference in the concentration of atmospheric particles of four kinds of typical forest stands and the influence of different atmospheric conditions in Jinyun Mountain, Chongqing of southwestern China[J]. Journal of Beijing Forestry University, 2015, 37(8): 76-82. doi: 10.13332/j.1000-1522.20150008

重庆缙云山4种典型林分的大气颗粒物浓度差异及不同大气条件影响研究

doi: 10.13332/j.1000-1522.20150008
基金项目: 

林业公益性行业科研专项(20130430103)

详细信息
    作者简介:

    赵冰清。主要研究方向:生态环境监测与灾害控制、土壤生态、植物与大气环境。Email:sum_app@163.com 地址:100083 北京市清华东路35号北京林业大学水土保持学院。

    责任作者:

    王云琦,博士,副教授。主要研究方向:林业生态工程。Email:wangyunqi@bjfu.edu.cn 地址:同上。

Difference in the concentration of atmospheric particles of four kinds of typical forest stands and the influence of different atmospheric conditions in Jinyun Mountain, Chongqing of southwestern China

  • 摘要: 以重庆缙云山为例,对4种典型林分(毛竹林、阔叶林、针叶林、苦竹林)夏季和秋季PM2.5进行观测,并选取典型天气,对不同粒径颗粒物(TSP、PM10、PM2.5和PM1)进行检测,研究西南地区典型林分PM2.5的季节变化和日变化,选取典型天气类型,研究其大气颗粒物浓度变化的影响。结果表明:PM2.5质量浓度秋季高于夏季,不同林分夏季颗粒物浓度差异不显著,秋季苦竹林明显高于其他3种林分。PM2.5质量浓度日变化趋势为上午>中午>晚上,4种林分2个时段PM2.5下降规律在夏季有较大不同,秋季有较高的一致性。4种典型天气条件下,“雨后晴天”颗粒物浓度最低,尤其是细颗粒物。说明降雨对颗粒物的消减有一定的积极作用。“伏旱天”颗粒物浓度显著高于其他3种典型天气。不同天气条件对毛竹林细颗粒物、针叶林4种粒径颗粒物和苦竹林4种颗粒物浓度的影响差异均显著。“雨后晴天”和“连续晴天”对阔叶林4种粒径颗粒物影响差异均不显著。

     

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出版历程
  • 收稿日期:  2015-01-13
  • 修回日期:  2015-01-13
  • 刊出日期:  2015-08-31

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