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PDF(332 KB)
PDF(332 KB)
我国京津冀和西北五省（自治区）大气环境容量研究
A Study of the Atmospheric Environmental Capacity of Jingjinji and of the Five Northwestern Provinces and Autonomous Regions in China
本研究以京津冀和西北五省（自治区）为例，研究处于不同经济发展阶段的区域大气环境容量。利用GEOS-Chem全球大气化学传输模式模拟计算大气污染源排放所带来的环境空气中污染物的浓度，以京津冀和西北五省（自治区）的网格平均地面PM2.5年均浓度达到环境空气质量标准（GB3095—2012）为约束条件，确定出京津冀和西北五省（自治区）SO2、NOx、一次PM2.5、VOCs和NH3五种大气污染物环境容量。结果表明，2013年京津冀和西北五省（自治区）SO2、NOx、一次PM2.5、VOCs和NH3五种大气污染物的排放量均超出大气环境容量。
This article discusses the regional atmospheric environmental capacity of areas in different stages of economic development, and presents the Beijing-Tianjin-Hebei (Jingjinji) region and the five northwestern provinces and autonomous regions in China as examples. The atmospheric environmental capacities for sulfur dioxide (SO2), nitrogen oxides (NOx), fine particulate matter (PM2.5), volatile organic compounds (VOCs), and ammonia (NH3) emissions were calculated for the various provinces with the constraint condition of the annual average ambient PM2.5 concentration standard (GB3095—2012), using a global chemical transport model from the Goddard Earth Observing System (GEOS-Chem). The results indicate that the total emissions of SO2, NOx, primary PM2.5, VOCs and NH3 emited from the Jingjinji and the five northwestern provinces and autonomous regions all exceed the environmental capacity.
PM2.5 / air quality / environmental capacity
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