亚洲季风强弱年蒙自市大气环境容量差异估算

杨清健; 赵天良; 郑小波; 史建武; 张朝能; 常嘉成; 张凯; 钟曜谦; 于超

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中国环境科学 ›› 2019, Vol. 39 ›› Issue (10) : 4054-4064.

大气污染与控制

亚洲季风强弱年蒙自市大气环境容量差异估算

杨清健¹, 赵天良¹, 郑小波², 史建武³, 张朝能³, 常嘉成¹, 张凯¹, 钟曜谦³, 于超¹

作者信息 +

Assessments of the differences of atmospheric environmental capacity between strong and weak Asian monsoon years in Mengzi

YANG Qing-jian¹, ZHAO Tian-liang¹, ZHENG Xiao-bo², SHI Jian-wu³, ZHANG Chao-neng³, CHANG Jia-cheng¹, ZHANG Kai¹, ZHONG Yao-qian³, YU Chao¹

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文章历史 +

摘要

利用区域空气质量模式WRF-Chem，对亚洲季风气候变化背景下云南省蒙自市大气环境容量进行模拟评估.根据标准化南亚夏季风指数分别选取2005年和2015年为强、弱季风年.对2015年四季（以1月、4月、7月和10月为代表月）和2005年夏季（7月为代表月）的主要大气污染物浓度进行模拟.结果表明蒙自市2015年全年CO、NO₂、SO₂、PM_2.5、PM₁₀的大气环境容量分别为120.31、1.127、1.875、1.267、1.688（×10⁴t/a），其中各污染物冬季大气环境容量最小，春季的最大（PM₁₀除外），且PM_2.5在冬季排放量已饱和.强季风年相对弱季风年夏季CO、NO₂、SO₂、PM_2.5、PM₁₀的大气环境容量分别提升4.81%、3.86%、12.6%、18.4%、8.7%，其中PM_2.5的容量提升最高.亚洲季风年际变化对云南高原空气质量及大气环境容量具有重要的调制作用.

Abstract

Atmospheric environmental capacity is an important index to support air quality management and the total quantity control of air pollutant emissions. The air quality model WRF-Chem was used to simulate and estimate the atmospheric environmental capacity under the background of Asian monsoon climate change in Mengzi over the Yunnan Plateau. 2005 and 2015 respectively was chosen as the strong and weak monsoon years according to the normalized South-Asian Monsoon Index. Concentrations of major atmospheric pollutants at all seasons (represented by January, April, July and October respectively) of 2015 and summer (represented by July) of 2005 were simulated, the atmospheric environmental capacities of CO, NO₂, SO₂, PM_2.5 and PM₁₀ in Mengzi were estimated with 120.31、1.127、1.875、1.267、1.688(×10⁴t/a), respectively. The atmospheric environmental capacity of major air pollutants in winter was the smallest; and in spring was the largest excepting PM₁₀, and the PM_2.5 emissions in winter reached saturation. Compared with the 2015 summer with weak monsoon, the atmospheric environmental capacities of CO, NO₂, SO₂, PM_2.5 and PM₁₀ increased respectively by 4.81%, 3.86%, 12.6%, 18.4% and 8.7% in 2005 summer with strong monsoon, and the PM_2.5 increased most. The interannual variation of the Asian monsoon plays an important role in regulating the air quality and atmospheric environmental capacity of the Yunnan plateau.

导出引用

杨清健, 赵天良, 郑小波, 史建武, 张朝能, 常嘉成, 张凯, 钟曜谦, 于超. 亚洲季风强弱年蒙自市大气环境容量差异估算[J]. 中国环境科学. 2019, 39(10): 4054-4064

YANG Qing-jian, ZHAO Tian-liang, ZHENG Xiao-bo, SHI Jian-wu, ZHANG Chao-neng, CHANG Jia-cheng, ZHANG Kai, ZHONG Yao-qian, YU Chao. Assessments of the differences of atmospheric environmental capacity between strong and weak Asian monsoon years in Mengzi[J]. China Environmental Science. 2019, 39(10): 4054-4064

中图分类号： X51

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