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• 研究报告 • 上一篇    下一篇

陕西省关中地区主要造林树种大气颗粒物滞纳特征

房瑶瑶,王兵,牛香**   

  1. (国家林业局森林生态环境重点实验室, 中国林业科学研究院森林生态环境与保护研究所, 北京 100091)
  • 出版日期:2015-06-10 发布日期:2015-06-10

Atmospheric particlescapturing capability of main afforestation tree species in Central Shaanxi Plain.

FANG Yao-yao, WANG Bing, NIU Xiang**   

  1. (Key Laboratory of Forest Ecology and Environment of State Forestry Administration, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China)
  • Online:2015-06-10 Published:2015-06-10

摘要: 应用气溶胶再发生器(QRJZFSQ-I),结合关中地区2010—2012年造林工程实际情况和降水数据,研究主要造林树种叶片对不同粒径颗粒物的饱和滞纳量,并量化造林工程的年颗粒物滞纳能力。结果表明,各树种对单位面积叶片的TSP、PM10、PM2.5和PM1.0的饱和滞纳量分别在4.02~36.46、1.22~27.70、0.11~3.71和0.04~0.83 μg·cm-2。其中针叶树种高于阔叶树种;针叶树种中,柏类的饱和滞纳量高于松类;阔叶树种中常绿阔叶树种高于落叶阔叶树种。关中地区2010—2012年造林工程每年能够滞纳TSP、PM10、PM2.5和PM1.0分别为455.99×104、368.70×104、70.09×104和18.59×104 kg·a-1。

关键词: 环境因子, 极端高温, 净CO2交换量, 亚热带人工针叶林, 小波分析

Abstract: By integrating afforestation project from 2010 to 2012 and precipitation data in Central Shaanxi Plain, the saturated amount of different sizes of atmospheric particles captured by the foliages of main afforestation tree species was investigated using an Aeolian Aerosol Recurrence Analyzer (QRJZFSQ-I). The results showed that the saturated amounts of TSP, PM10, PM2.5, and PM1.0 captured by per unit foliage area of main afforestation species were around 4.02-36.46, 1.22-27.70, 0.11-3.71, 0.04-0.83 μg·cm-2, respectively. In general, the saturated amount of different sizes of particles captured by coniferous species was higher than that by deciduous species. Specifically, the saturated amount of particles captured by cypress was higher than that by pine, while the evergreen broadleaved species captured a higher saturated amount of particles than deciduous broadleaved species. Based on the field data and precipitation data of 14 meteorological stations in Central Shanxi Plain, the saturated amounts of TSP, PM10, PM2.5, and PM1.0 captured by the afforestation project from 2010 to 2012 were 455.99×104, 368.70×104, 70.09×104 and 18.59×104 kg·a-1, respectively.

Key words: coniferous plantation, wavelet analysis., subtropical , environmental factor, extreme high temperature, net ecosystem exchange of carbon dioxide