基于2019~2021年中国民用航空飞机起降数据、国际民航组织（ICAO）飞机发动机排放因子数据库和EUROCONTROL的飞机数据基础数据库（BADA）等数据，自下而上编制了2019~2021年中国民航飞机在飞行全过程的高分辨率大气污染物和碳排放清单，在此基础上探究中国民航飞机大气污染物和碳排放在不同地理区域的空间分布特征，分析2019~2021年新型冠状病毒感染疫情对民航大气污染物和碳排放的影响.结果表明，2019年中国民航飞机的HC、CO、NOx和CO2排放量分别为0.74，6.38，33.98，7785.05万t，飞机起飞着陆（LTO）循环阶段的HC、CO、NOx和CO2排放量分别占总排放量的37.84%、55.02%、18.83%、18.31%，华东地区的航空碳排放量最高，约占全国排放总量的27.20%.2019~2021年我国国内民航飞机大气污染物排放总量总体呈下降趋势.其中，2020年航空碳排放量下降17.26%，2021年的航空碳排放量相比2019年下降10.38%.
Abstract
Based on the take-off and landing data of Chinese civil aviation aircrafts from 2019 to 2021, the aircraft engine emission factor database of International Civil Aviation Organization (ICAO), and Aircraft Data Base database (BADA) of EUROCONTROL, the high-resolution air pollutants and carbon emission inventories during the entire flight process of Chinese civil aviation aircrafts from 2019 to 2021 were developed from bottom to up. Next, their spatial distribution characteristics in different geographical regions in China were analyzed, where the emerging impacts of the novel coronavirus infection from 2019 to 2021 was further explored. According to the results, the total HC, CO, NOx, and CO2 emissions of China's civil aviation aircrafts in 2019 were 0.74, 6.38, 33.98, and 7785.05million tons, respectively. Also, during the take-off and landing (LTO) cycle stage, the HC, CO, NOx, and CO2 emissions made up 37.84%, 55.02%, 18.83%, and 18.31% of the total emissions, respectively. Specially, Eastern China region had the highest aviation carbon emissions, accounting for 27.20% of the whole country's emissions. Last, the total air pollution emissions decreased from 2019 to 2021, where the CO2 emissions in 2020 and 2021 were reduced by 17.26% and 10.38%, respectively.
关键词
CCD循环 /
LTO循环 /
排放清单 /
排放因子
Key words
CCD cycle /
discharge inventory /
emission factor /
LTO cycle
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基金
南京航空航天大学科研与实践创新计划项目（xcxjh20220731）
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