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东南亚生物质燃烧对我国春季PM2.5质量浓度影响的数值模拟

张玉洽 杨迎春 李杰 王媛林 王自发

张玉洽, 杨迎春, 李杰, 王媛林, 王自发. 东南亚生物质燃烧对我国春季PM2.5质量浓度影响的数值模拟[J]. 环境科学研究, 2016, 29(7): 952-962.
引用本文: 张玉洽, 杨迎春, 李杰, 王媛林, 王自发. 东南亚生物质燃烧对我国春季PM2.5质量浓度影响的数值模拟[J]. 环境科学研究, 2016, 29(7): 952-962.
ZHANG Yuqia, YANG Yingchun, LI Jie, WANG Yuanlin, WANG Zifa. Modeling the Impacts of Biomass Burning in Southeast Asia on PM2.5 over China in Spring[J]. Research of Environmental Sciences, 2016, 29(7): 952-962.
Citation: ZHANG Yuqia, YANG Yingchun, LI Jie, WANG Yuanlin, WANG Zifa. Modeling the Impacts of Biomass Burning in Southeast Asia on PM2.5 over China in Spring[J]. Research of Environmental Sciences, 2016, 29(7): 952-962.

东南亚生物质燃烧对我国春季PM2.5质量浓度影响的数值模拟

基金项目: 国家环境保护公益性行业科研专项(20130916);国家科技支撑计划项目(2014BAC06B03); 国家自然科学基金面上项目(41275138)

Modeling the Impacts of Biomass Burning in Southeast Asia on PM2.5 over China in Spring

  • 摘要: 为研究东南亚生物质燃烧对我国的影响,利用NAQPMS(嵌套网格空气质量预报模式系统)模拟分析了2013年3月我国及东南亚污染物质量浓度分布,以及东南亚国家生物质燃烧对我国ρ(PM2.5)的贡献. 结果表明:NAQPMS模式可较好地再现ρ(PM2.5)的时空演变规律. 在我国西南部分地区,东南亚生物质燃烧贡献与当地人为源相当,并且在ρ(PM2.5)较高时尤为明显. 东南亚生物质燃烧对我国的影响主要有两个路径:第一个路径是缅甸向云南等地的输送,对云南ρ(PM2.5)的月均贡献达到20 μg/m3(贡献率为30%),是云南本地生物质燃烧贡献的2倍左右,日均贡献甚至可达到34 μg/m3(贡献率为43%),高于我国人为源贡献(28 μg/m3)和贡献率(36%);第二个路径是老挝和越南向云南与广西交界的输送, 对南宁ρ(PM2.5)的月均贡献为10 μg/m3,日均贡献高值区间为20~40 μg/m3. 我国人为源对东南亚的影响较小,对ρ(PM2.5)月均贡献率在10%以内,主要集中在越南和东南亚南部沿海城市. 东南亚人为源对我国的影响也较小,ρ(PM2.5)月均贡献在2 μg/m3以下. 研究显示,东南亚生物质燃烧对我国特别是西南地区产生的影响不可忽视.

     

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出版历程
  • 收稿日期:  2016-01-08
  • 修回日期:  2016-04-24
  • 刊出日期:  2016-07-25

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