Articles | Volume 24, issue 11
https://doi.org/10.5194/acp-24-6593-2024
https://doi.org/10.5194/acp-24-6593-2024
Research article
 | 
06 Jun 2024
Research article |  | 06 Jun 2024

Long-term variability in black carbon emissions constrained by gap-filled absorption aerosol optical depth and associated premature mortality in China

Wenxin Zhao, Yu Zhao, Yu Zheng, Dong Chen, Jinyuan Xin, Kaitao Li, Huizheng Che, Zhengqiang Li, Mingrui Ma, and Yun Hang

Data sets

Multiyear gap-filled AAOD and posterior BC emissions for China in 2000-2020 Y. Zhao http://www.airqualitynju.com/En/Data/List/Datadownload

MERRA-2 tavgM_2d_aer_Nx: 2d, Monthly mean, Time-averaged, Single-Level, Assimilation, Aerosol Diagnostics V5.12.4 Global Modeling and Assimilation Office (GMAO) https://doi.org/10.5067/FH9A0MLJPC7N

OMI/Aura Multi-wavelength Aerosol Optical Depth and Single Scattering Albedo L3 1 day Best Pixel in 0.25 degree x 0.25 degree V3 Deborah Stein-Zweers and Pepijn Veefkind https://doi.org/10.5067/Aura/OMI/DATA3004

The Multi-resolution Emission Inventory for China (MEIC) Tsinghua University http://meicmodel.org.cn/?page_id=560

Remote sensing data of multi-period land use monitoring in China X. L. Xu et al. https://www.resdc.cn/DOI/DOI.aspx?DOIID=54

National DEM data at resolution of 1 km, 500 m and 250 m in China Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences https://www.resdc.cn/data.aspx?DATAID=123

AEROSOL OPTICAL DEPTH (V3)-SOLAR NASA Goddard Space Flight Center https://aeronet.gsfc.nasa.gov/new_web/download_all_v3_aod.html

Global Fire Emissions Database, Version 4.1 (GFEDv4) J. T. Randerson et al. https://www.geo.vu.nl/~gwerf/GFED/GFED4

The spatial distribution of population density in China WorldPop https://doi.org/10.5258/SOTON/WP00674

National total population of China National Bureau of Statistics https://data.stats.gov.cn/english/easyquery.htm?cn=C01

The national average population age structure and baseline mortality rate of all-cause diseases Global Health Data Exchange https://vizhub.healthdata.org/gbd-results

Emissions Database for Global Atmospheric Research (EDGAR) European Commission https://edgar.jrc.ec.europa.eu/dataset_ap61

Model code and software

CMAQv5.1 US EPA Office of Research and Development https://doi.org/10.5281/zenodo.1079909

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Short summary
We evaluate the long-term (2000–2020) variabilities of aerosol absorption optical depth, black carbon emissions, and associated health risks in China with an integrated framework that combines multiple observations and modeling techniques. We demonstrate the remarkable emission abatement resulting from the implementation of national pollution controls and show how human activities affected the emissions with a spatiotemporal heterogeneity, thus supporting differentiated policy-making by region.
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