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当前位置: 首页 > 文章 > 北京西山典型游憩林空气悬浮颗粒物季节变化规律 东北林业大学学报 2010,38 (10) 57-59
Position: Home > Articles > Seasonal Variations of Airborne Particulate Matter in Typical Recreation Forests in the West Mountain of Beijing Journal of Northeast Forestry University 2010,38 (10) 57-59

北京西山典型游憩林空气悬浮颗粒物季节变化规律

作  者：
郭二果;王成;郄光发;房城;孙志伟;周志海
单  位：
呼和浩特市环境科学研究所;北京林业大学;北京市百望山森林公园管理处;中国林业科学研究院林业研究所
关键词：
北京西山;游憩林;空气颗粒物;季节变化
摘  要：
以百望山森林公园为例,对北京西山3种典型游憩林一年四季空气颗粒物浓度进行了昼夜观测,结果表明:①北京西山游憩林空气颗粒物总浓度最低的季节是秋季,其他3个季节相差不大。②同一游憩林不同粒径大小的空气颗粒物浓度的季节变化具有明显差异,可吸入颗粒物和其他2种细颗粒物冬季最高,夏季次之;PM10浓度在秋季最低,PM2.5和PM1.0浓度在春季最低。③3种游憩林相比较,随着冬、春、夏、秋的季节更替,侧柏林空气颗粒物浓度较混交林和黄栌林高的趋势越来越明显。
译  名：
Seasonal Variations of Airborne Particulate Matter in Typical Recreation Forests in the West Mountain of Beijing
作  者：
Guo Erguo,Wang Cheng,Qie Guangfa(Research Institute of Forestry,Chinese Academy of Forestry,Beijing 100091,P.R.China);Fang Cheng,Sun Zhiwei(Beijing Forestry University);Zhou Zhihai(the Administration Department of Baiwang Mountain Forest Park)
关键词：
West Mountain of Beijing;Recreation forests;Airborne particulate matter;Seasonal variations
摘  要：
Concentrations of the airborne particulate matter(PM)in three kinds of typical recreation forests in the West Mountain of Beijing were monitored all day and night during all four seasons in Baiwang Mountain.Results showed that the total concentration of PM in the recreation forests in the West Mountain of Beijing was lowest in autumn,and it was not markedly different from those in the other three seasons.The seasonal variations in concentration of PM with different diameters had an obvious difference within the same forest.Concentrations of PM10(d≤10μm),PM2.5 and PM1.0 were highest in winter,followed by those in summer.PM10 concentration was lowest in autumn,and the concentrations of PM2.5 and PM1.0 were lowest in spring.PM concentration in the Platycladus orientalis forest was higher than that in the Cotinus coggygria forest and the Cotinus coggygria-Broussonetia papyrifera mixed forest,and the trend was more obvious with the alternation of seasons in the order of winter,spring,summer and autumn.

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