Preprints
https://doi.org/10.5194/essd-2022-154
https://doi.org/10.5194/essd-2022-154
 
13 Jun 2022
13 Jun 2022
Status: this preprint is currently under review for the journal ESSD.

Multi-year emission of carbonaceous aerosols from cooking, fireworks burning, sacrificial incenses, joss paper burning, and barbecue and the key driving forces in China

Yi Cheng1,2, Shaofei Kong1,2, Liquan Yao1,2, Huang Zheng1,2, Jian Wu1,2, Qin Yan1,2, Shurui Zheng1,2, Yao Hu1,2, Zhenzhen Niu1,2, Yingying Yan1, Zhenxing Shen3, Guofeng Shen4, Dantong Liu5, Shuxiao Wang6, and Shihua Qi2 Yi Cheng et al.
  • 1Department of Environment Science and Engineering, School of Environmental Studies, China University of Geoscience, Wuhan 430074
  • 2Department of Atmospheric Science, School of Environmental Studies, China University of Geoscience, Wuhan 430074
  • 3Department of Environmental Science and Engineering, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049
  • 4Laboratory for Earth Surface Process, College of Urban and Environmental Sciences, Peking University, Beijing 100871
  • 5Department of Atmospheric Science, School of Earth Science, Zhejiang University, Hangzhou 310027
  • 6State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084

Abstract. There has been controversy about the air pollutants emitted from sources closely related to people's daily life (such as cooking, fireworks burning, sacrificial incenses and joss paper burning, and barbecue, named as five missing sources, FMS) impacting the outdoor air quality to what extent. Till now, there is no emission estimation of air pollutants from FMS, as the missing of both activity dataset and emission factors. We attempted to combine the questionnaire data, various statistical data, and data of points of interest to obtain a relatively complete set of activity data. The emission factors (EFs) of carbonaceous aerosols were tested in our lab. Then, the emission inventories of carbonaceous aerosol with the high spatial-temporal resolution for FMS were established firstly, and the spatial-variation trend and driving forces were discussed. From 2000 to 2018, organic carbon (OC) increased from 4268 t to 4919 t. The OC emission from FMS was 1.48–2.18 ‰ of its total emission in China. The emissions of black carbon, element carbon (EC), and brown carbon absorption cross-section (ACSBrC) emissions from FMS were in the ranges of 22.6–43.9 t, 213–324 t, and 14.7–35.6 Gm2, respectively. Their emissions tended to concentrate in special periods and areas. The OC emission intensities in central urban areas were 3.85–50.5 times that of rural areas due to the high density of human activities. While the ACSBrC emissions in rural regions accounted for 63.0–79.5 % of the total emission result from uncontrolled fireworks burning. A mass of fireworks burning led to extremely higher ACSBrC and EC emissions on Chinese New Year’s eve, as 1444 and 262 times their corresponding yearly average values. Interestingly, significant (p<0.01) correlations between human incomes and pollutant emissions were found, but they were positive (r = 0.94) and negative (r = –0.94) for urban and rural regions, indicating the necessity of regulating human lifestyle and increasing income for urban and rural peoples, respectively.

This study provided the first-hand data for identifying the emissions, variation trends and impacting factors of FMS, which is helpful for modeling works on air quality, climate effect, and human health risks at specific periods or regions and for modifying their emission control policies. The data in this work could be found at https://doi.org/10.6084/m9.figshare.19999991.v1 (Cheng et al., 2022).

Yi Cheng et al.

Status: open (until 08 Aug 2022)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse

Yi Cheng et al.

Data sets

EULUC-China-2018/Mapping essential urban land use categories in China (EULUC-China): Preliminary results for 2018 Gong, P., Chen, B., Li, X. et al., https://doi.org/10.1016/j.scib.2019.12.007

40-Year(1978-2017) human settlement changes in China reflected by impervious surfaces from satellite remote sensing Gong, P., Li, X. C., Zhang, W. https://doi.org/10.1016/j.scib.2019.04.024

Unconstrained individual contries 2000-2020 (1 km resolution)/spatail distribution of population WorldPop and Center for International Earth Science Information Network https://doi.org/10.5258/SOTON/WP00670

Yi Cheng et al.

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Short summary
We present an emission inventory from 2000 to 2018 with a high spatial-temporal resolution for five missing sources that are related to people’s daily life. The emission factors of carbonaceous aerosol were tested in our laboratory, and activity data were obtained from the combination of multiple proxy data.