Articles | Volume 20, issue 11
Atmos. Chem. Phys., 20, 6339–6356, 2020
https://doi.org/10.5194/acp-20-6339-2020

Special issue: Effect of Megacities on the Transport and Transformation of...

Atmos. Chem. Phys., 20, 6339–6356, 2020
https://doi.org/10.5194/acp-20-6339-2020

Research article 05 Jun 2020

Research article | 05 Jun 2020

Rapid reduction in black carbon emissions from China: evidence from 2009–2019 observations on Fukue Island, Japan

Yugo Kanaya et al.

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Cited articles

Atmospheric Composition Research Group: Observational data set for BC at Fukue, available at: https://ebcrpa.jamstec.go.jp/atmoscomp/obsdata/, last access: 25 May 2020. 
Bond, T. C., Streets, D. G., Yarber, K. F., Nelson, S. M., Woo, J.-H., and Klimont, Z.: A technology-based global inventory of black and organic carbon emissions from combustion, J. Geophys. Res., 109, D14203, https://doi.org/10.1029/2003JD003697, 2004. 
Bond, T. C., Bhardwaj, E., Dong, R., Jogani, R., Jung, S., Roden, C., Streets, D. G., and Trautmann, N. M.: Historical emissions of black and organic carbon aerosol from energy-related combustion,1850–2000: historical BC/OC emissions, Global Biogeochem. Cy., 21, GB002840, https://doi.org/10.1029/2006GB002840, 2007. 
Byun, D. and Schere, K. L.: Review of the governing equations, computational algorithms, and other components of the Model-3 Community Multiscale Air Quality (CMAQ) modeling system, Appl. Mech. Rev., 59, 51–77, https://doi.org/10.1115/1.2128636, 2006. 
Chen, L.-W. A., Chow, J. C., Watson, J. G., and Schichtel, B. A.: Consistency of long-term elemental carbon trends from thermal and optical measurements in the IMPROVE network, Atmos. Meas. Tech., 5, 2329–2338, https://doi.org/10.5194/amt-5-2329-2012, 2012. 
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Fundamental disagreements among bottom-up emission inventories exist about the sign of the black carbon emissions trend from China over the past decade. Our decadal observations on Fukue Island clearly indicate its rapid reduction, after correcting for interannual meteorological variability, which supports inventories reflecting governmental clean air actions after 2010. The reduction pace surpasses those of SSP1 scenarios for 2015–2030, suggesting highly successful emission control policies.
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