亚洲季风强弱年蒙自市大气环境容量差异估算

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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.

Key words： atmospheric environmental capacity WRF-Chem Yunnan plateau monsoon climate change

Received: 01 April 2019

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X51

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	Articles by authors
	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

Cite this article:

YANG Qing-jian,ZHAO Tian-liang,ZHENG Xiao-bo等. Assessments of the differences of atmospheric environmental capacity between strong and weak Asian monsoon years in Mengzi[J]. CHINA ENVIRONMENTAL SCIENCECE, 2019, 39(10): 4054-4064.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2019/V39/I10/4054

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