• 关键词：排放清单  民航飞机  飞机排放  LTO循环  长三角地区

• 基金项目：国家重点研发计划（No.2016YFC0201500）；国家自然科学基金（No.21777101）

• 王瑞宁
• 上海工程技术大学, 汽车工程学院, 上海 201620

• 黄成
• 上海市环境科学研究院, 国家环境保护城市大气复合污染成因与防治重点实验室, 上海 200233

• 任洪娟
• 上海工程技术大学, 汽车工程学院, 上海 201620

• 严茹莎
• 上海市环境科学研究院, 国家环境保护城市大气复合污染成因与防治重点实验室, 上海 200233

• 洪真
• 上海工程技术大学, 航空运输学院, 上海 201620

• 徐冲
• 上海工程技术大学, 汽车工程学院, 上海 201620

• 胡磬遥
• 上海市环境科学研究院, 国家环境保护城市大气复合污染成因与防治重点实验室, 上海 200233

• 安静宇
• 上海市环境科学研究院, 国家环境保护城市大气复合污染成因与防治重点实验室, 上海 200233

• 董柏岩
• 上海工程技术大学, 汽车工程学院, 上海 201620

• 李莉
• 上海市环境科学研究院, 国家环境保护城市大气复合污染成因与防治重点实验室, 上海 200233

• 摘要：通过调查收集长三角区域民航飞机构成、起落架次及发动机排放因子数据，以2017年为基准年，建立了长三角区域民航飞机起飞着陆（Land take-off，LTO）循环大气污染物排放清单.结果显示，2017年长三角区域民航飞机LTO循环NO_x、HC、CO、SO₂和PM年排放总量分别为16429.6、734.4、8234.3、1159.6和125.7 t.爬升阶段的NO_x、SO₂和PM排放贡献相对较高，分别达到47.2%、29.6%和36.2%，滑行阶段的HC和CO排放占比突出，分别达到95.4%和95.4%.从空间分布来看，长三角地区民航飞机LTO循环排放主要集中在上海浦东国际机场、上海虹桥机场、杭州萧山机场和南京禄口机场.从月分布来看，3—8月民航飞机LTO循环排放最为集中.从小时分布来看，上午7：00—9：00存在排放高峰，航班起落架次和边界层高度是决定LTO循环排放量的主要因素.为提升民航飞机大气污染物排放清单估算的准确度，建议在后续研究中加强对在用民航飞机大气污染物排放因子实测和实际活动水平的调查，以降低排放清单的不确定性.

• Abstract：The information of aircraft composition, land take-off (LTO)cycles, and engine emission factors of civil aviation in the Yangtze River Delta region were collected. Then an emission inventory of air pollutants from LTO cycles of civil aviation in the Yangtze River Delta region were developed for the year of 2017. The results showed that the emissions of NO_x, HC, CO, SO₂ and PM from the LTO cycle of civil aviation in the Yangtze River Delta region in 2017 were 16429.6、734.4、8234.3、1159.6 and 125.7 t, respectively. The emission contributions of NO_x, SO₂ and PM during climb stage were relatively higher, which accouted for 47.2%, 29.6% and 36.2%, respectively. The proportion of HC and CO emissions during idle stage was predominant, reaching 95.4% and 95.4%, respectively. LTO cycle emissions of civilian aircraft in the Yangtze River Delta region were mainly concentrated in Shanghai Pudong international airport, Shanghai Hongqiao airport, Hangzhou Xiaoshan airport, and Nanjing Lukou airport. For the monthly distribution, the emissions from the LTO cycles of civil aviation was mostly concentrated from March to August. For the hourly distribution, there was a peak of emission from 7:00 to 9:00 in the morning. The number of LTO cycles and boundary layer height are the main factors to determine the air pollutant emissions. To enhance the accuracy of air pollutant emission inventory of civil aviation, further studies on real-world emission measurement and local activity survey are needed in the future.

• Key words：emission inventory  civil aviation  aircraft emission  LTO cycle  the Yangtze River Delta Region

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