Ozone and ozone injury on plants in and around Beijing, China.
Ozone and ozone injury on plants in and around Beijing, China.
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DOI：
10.1016/j.envpol.2014.02.035
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发表时间：
2014-08
影响因子：
8.9
通讯作者：
Wuxing Wan;W. Manning;Xiaoke Wang;Hongxing Zhang;Xu Sun;Qianqian Zhang
中科院分区：
文献类型：
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作者：
Wuxing Wan;W. Manning;Xiaoke Wang;Hongxing Zhang;Xu Sun;Qianqian Zhang
2012 年夏季，首次使用被动采样器对北京及其周边地区的 10 个地点的臭氧 (O3) 水平进行了评估。北京周边地区的平均 O3 浓度高于市中心。浓度随站点位置的不同而变化，范围为 22.5 至 48.1 ppb，其中三个位置最高。 8 月 2 日至 9 日，在一个配备了实时 O3 分析仪的地点，每小时 O3 浓度连续 128 小时超过 40 ppb，并连续 17 小时超过 80 ppb。在 10 个研究地点中的 6 个地点和另外 2 个没有被动采样器的地点，发现 19 种本地和栽培树木、灌木和草本植物存在大面积叶面 O3 损伤。这是北京及周边地区首例O3叶害报告。我们的结果支持在北京及其周边地区开展广泛的 O3 监测和叶面 O3 损伤评估计划。
Ozone (O3) levels were assessed for the first time with passive samplers at 10 sites in and around Beijing in summer 2012. Average O3concentrations were higher at locations around Beijing than in the city center. Levels varied with site locations and ranged from 22.5 to 48.1 ppb and were highest at three locations. Hourly O3concentrations exceeded 40 ppb for 128 h and 80 ppb for 17 h from 2 to 9 in August at one site, where it had a real-time O3analyzer. Extensive foliar O3injury was found on 19 species of native and cultivated trees, shrubs, and herbs at 6 of the 10 study sites and the other 2 sites without passive sampler. This is the first report of O3foliar injury in and around Beijing. Our results warrant an extensive program of O3monitoring and foliar O3injury assessment in and around Beijing.