Junfeng Liu
Research Professor
College of Urban and Environmental Sciences,
Peking University, Beijing, 100871, China
Phone: (8610) 62757852
Email: jfliu@pku.edu.cn

Junfeng Liu is a research professor in College of Urban and Environmental Sciences at Peking University. Prior to coming to Peking University, he received his PhD in the Woodrow Wilson School (WWS) of public and international affairs at Princeton University in 2006. After that, he worked as a postdoctoral Research Scholar and then associate research scholar in the atmospheric and oceanic sciences (AOS) program at Princeton University as well as Geophysical Fluid Dynamics Laboratory (GFDL, NOAA). He is the member of Geographical Society of China and American Geophysical Union (AGU). He received the Newton Advanced Fellowship in 2018, the Excellent Young Scientist Foundation from NSFC in 2012 as well as the 12th National Youth Geographic Science and Technology Award in 2013. He works on science and policy of the atmosphere, particularly the physical and dynamical interactions among trans-boundary transport, multiphase reaction mechanism of smog, chemistry-climate interaction, health and ecosystem impact, and multilateral mitigation of short-lived and long-lived air pollutants. He has published 60+ papers, mostly in JGR, ACP and ES&T. He is an expert in developing interdisciplinary models to address regional and global air pollution problems.

Ph.D. 2006,  Princeton University, Public Administration - STEP program
M.S. 2000,  Peking University, Environmental Sciences
B.S. 1997,  Peking University, Chemistry

2011.6  - present   Peking University, Research Professor
2010.6  - 2011.5    Princeton University-AOS and GFDL, associate research scholar
2008.12 - 2010.5    Princeton University-AOS and GFDL, postdoc
2006.12 - 2008.11   Princeton University-WWS, postdoc

Atmospheric environment; Trans-boundary transport; Multiphase mechanism of smog; chemistry-climate interaction; Multilateral mitigation of short-lived and long-lived air pollutants; Multiscale air quality modelling; Energy policy and carbon mitigation;

52. Yi, K., Meng, J., Yang, H. Z., He, C. L., Liu, J. F.*, Guan, D. B., Liu, Z., Zhang, L., Zhu, X., Cheng, Y. L., Tao, S., (2019), "The cascade of global trade to large climate forcingover the Tibetan Plateau glaciers", Nature Communications  10:3281,  DOI: 10.1038/s41467-019-10876.

51. Hu, X. R., Sun, Y. N., Liu, J. F.*, Meng, J., Wang, X. J., Yang, H. Z., Xu, J. Y., Yi, K., Xiang, S. L., Li, Y., Yun, X., Ma, J. M., Tao, S.  (2019). "The impact of environmental protection tax on sectoral and spatial distribution of air pollution emissions in China." Environmental Research Letters 14(5).

50. Yang, H. Z., Liu, Y., Liu, J. F.*, Meng, J., Hu, X. R., Tao, S.(2019). "Improving the Imbalanced Global Supply Chain of Phosphorus Fertilizers". Earth's Future, DOI: 10.1029/2018EF001005.

49. Yang, H. Z., Tao, W., Liu, Y., Qiu, M. H., Liu, J. F.*, Jiang, K. J., Yi, K., Xiao, Y., Tao, S. (2019). "The contribution of the Beijing, Tianjin and Hebei region's iron and steel industry to local air pollution in winter." Environmental Pollution 245: 1095-1106. 

48. Xu, J. Y., Zhang, J. C., Liu, J. F.*, Yi, K., Xiang, S. L., Hu, X. R., Wang, Y. Q., Tao, S., Ban-Weiss, G. (2019). "Influence of cloud microphysical processes on black carbon wet removal, global distributions, and radiative forcing."  Atmospheric Chemistry and Physics 19(3): 1587-1603.

47. Hu, X. R., Sun, Y. N., Liu, J. F.*, Meng, J., Wang, X. J., Yang, H. Z., Xu, J. Y., Yi, K., Xiang, S. L., Li, Y., Yun, X., Ma, J. M., Tao, S.  (2019). "The impact of environmental protection tax on sectoral and spatial distribution of air pollution emissions in China." Environmental Research Letters 14(5).

46. Yang, H. Z., Liu, Y., Liu, J. F.*, Wang, Y. Q., Tao, S.(2018). "The roles of the metallurgy, nonmetal products and chemical industry sectors in air pollutant emissions in China." Environmental Research Letters 13(8).

45. Yang, H. Z., Liu, J. F.*, Jiang, K. J., Meng, J., Guan, D. B., Xu, Y., Tao, S., (2018). "Multi-objective analysis of the co-mitigation of CO2 and PM2.5 pollution by China's iron and steel industry." Journal of Cleaner Production 185: 331-341.

44. Meng, J., Mi, Z. F., Guan, D. B.*, Li, J. S., Tao, S., Li, Y., Feng, K. S., Liu, J. F.*, , Liu, Z., Wang, X. J.*, Zhang, Q., Davis, S. J.(2018). "The rise of South-South trade and its effect on global CO2 emissions." Nature Communications 9 (1) :1871

43. Meng, J., Liu, J. F.*, Yi, K., Yang, H. Z., Guan, D. B.*, Liu, Z., Zhang, J. C., Ou, J. M., Dorling, S., Mi, Z. F., Shen, H. Z., Zhong, Q. R., Tao, S. (2018). "Origin and Radiative Forcing of Black Carbon Aerosol: Production and Consumption Perspectives." Environmental Science & Technology 52(11): 6380-6389.

42. Yi, K.; Liu, J.F*; Ban-Weiss, G.; Zhang, J.; Tao, W.; Cheng, Y.; Tao, S., Response of the global surface ozone distribution to Northern Hemisphere sea surface temperature changes: implications for long-range transport. Atmospheric Chemistry and Physics 2017, 17, (14), 8771-8788.

41. Tao, W.; Liu, J.F*; Ban-Weiss, G. A.; Zhang, L.; Zhang, J.; Yi, K.; Tao, S., Potential impacts of urban land expansion on Asian airborne pollutant outflows. Journal of Geophysical Research-Atmospheres 2017, 122, (14), 7646-7663.
40. Li, Z.; Liu, J.F*; Mauzerall, D. L.; Li, X.; Fan, S.; Horowitz, L. W.; He, C.; Yi, K.; Tao, S., A potential large and persistent black carbon forcing over Northern Pacific inferred from satellite observations. Scientific Reports 2017, 7, 43429-43429.
39. Guo, Y.; Liu, J.F*; Mauzerall, D. L.; Li, X.; Horowitz, L. W.; Tao, W.; Tao, S., Long-Lived Species Enhance Summertime Attribution of North American Ozone to Upwind Sources. Environmental Science & Technology 2017, 51, (9), 5017-5025.
38. Fu, X.; Liu, J.F*; Ban-Weiss, G. A.; Zhang, J.; Huang, X.; Ouyang, B.; Popoola, O.; Tao, S., Effects of canyon geometry on the distribution of traffic-related air pollution in a large urban area: Implications of a multi-canyon air pollution dispersion model. Atmospheric Environment 2017, 165, 111-121.
37. Meng, J.; Liu, J. F.*; Xu, Y.; Guan, D. B.; Huang, Y.; Tao, S., Globalization and Pollution: Tele-connecting Local Primary PM2.5 Emissions to Global Consumption. Proceedings of the Royal Society A, 2016, DOI: 10.1098/rspa.2016.0380. 
36. Meng, J.; Liu, J. F.*; Guo, S.; Huang, Y.; Tao, S., The impact of domestic and foreign trade on energy-related PM emissions in Beijing, Applied Energy, 2016, 184, 853-862, DOI: 10.1016/j.apenergy.2015.09.082.
35. Xu, Y.*; Liu, J. F.*, Evaluating and Addressing the Leakage Problems of Black Carbon Mitigation in China`s Domestic Sector, Environmental Science & Technology, 2016, 50(11), 5434-5435. 
34. Meng, J.; Liu, J. F.*; Fan, S. M.; Kang, C.Y.; Yi, K.; Cheng, Y.L.; Shen, X.; Tao, S., Potential health benefits of controlling dust emissions in Beijing, Environmental Pollution, 2016, 213, 850-859.

33. Yun Li, Jing Meng, Junfeng Liu*, Yuan Xu, Dabo Guan, Wei Tao, Ye Huang, and Shu Tao, Interprovincial Reliance for Improving Air Quality in China: A Case Study on Black Carbon Aerosol. Environ. Sci. Technol., 2016, 50 (7), 4118–4126
32. Zhang, J., Liu, JF*, Tao, S., and Ban-Weiss, G. A.: Long-range transport of black carbon to the Pacific Ocean and its dependence on aging timescale, Atmos. Chem. Phys., 15, 11521-11535, doi:10.5194/acp-15-11521-2015, 2015.
31. Sadiq, M., W. Tao, JF Liu*, and S. Tao, Air Quality and Climate Responses to Anthropogenic Black Carbon Emission Changes from East Asia, North America and Europe, Atmospheric Environment, 120, 262-276, 2015.
30. Meng J., Liu JF*, Guo S., Li JS, Li Z.*, Tao S.: Trend and driving forces of Beijing’s black carbon emissions from sectoral perspectives. Journal of Cleaner Production doi:10.1016/j.jclepro.2015.05.027, 2015.
29. Meng J., Liu JF*, Xu Y., and Tao S.: Tracing Primary PM2.5 emissions via Chinese supply chains. Environmental Research Letter, 10, 054005, doi:10.1088/1748-9326/10/5/054005, 2015.
28. Tao, W., Liu, JF*, Ban-Weiss, G. A., Hauglustaine, D. A., Zhang, L., Zhang, Q., Cheng, Y., Yu, Y., and Tao, S.: Effects of urban land expansion on the regional meteorology and air quality of Eastern China, Atmos. Chem. Phys., 15, 8597-8614, doi:10.5194/acp-15-8597-2015, 2015.
27. Li XY, Liu JF*, Mauzerall DL, Emmons LK, Walters S, Horowitz LW, Tao S: Effects of Tans-Eurasian Transport of Air Pollutants on Surface Ozone Concentrations over Western China, Journal of Geophysical Research - Atmosphere, 119, 12,338–12,354, doi:10.1002/2014JD021936, 2014.
26. Shen, Z., Liu, J.*, Horowitz, L. W., Henze, D. K., Fan, S., Levy II, H., Mauzerall, D. L., Lin, J.-T., and Tao, S.: Analysis of transpacific transport of black carbon during HIPPO-3: implications for black carbon aging, Atmos. Chem. Phys., 14, 6315-6327, 2014
25. Liu YK, Liu JF*, Tao S: Interannual variability of summertime aerosol optical depth over East Asia during 2000-2011: a potential Influence from El Niño Southern Oscillation, Environmental Research Letter, 8, 044034 doi:10.1088/1748-9326/8/4/044034, 2013.
24. Fang YY, Mauzerall DL, Liu JF: "Impacts of 21st century climate change on global air pollution-related premature mortality",Climate Change, doi:10.1007/s10584-013-0847-8, 2013.
23. He, C., Liu, J.*, Carlton, A. G., Fan, S., Horowitz, L. W., Levy II, H., and Tao, S.: Evaluation of factors controlling global secondary organic aerosol production from cloud processes, Atmos. Chem. Phys., 13, 1913-1926, doi:10.5194/acp-13-1913-2013, 2013.
22. Mao J., Horowitz, L., Naik V., Fan, S., Liu, J., and Fiore, A.: Sensitivity of tropospheric oxidants to biomass burning emissions: implications for radiative forcing, Geophys. Res. Lett., doi:10.1002/grl.50210, 2013
21. Fan, S.-M., J. P. Schwarz, J. Liu, D. W. Fahey, P. Ginoux, L. W. Horowitz, H. Levy II, Y. Ming, and J. R. Spackman, Inferring ice formation processes from global-scale black carbon profiles observed in the remote atmosphere and model simulations, J. Geophys. Res., 117, D23205, doi:10.1029/2012JD018126, 2012.
20. Liu, J.*, L. W. Horowitz, S. Fan, A. G. Carlton, and H. Levy II (2012), Global in-cloud production of secondary organic aerosols: Implementation of a detailed chemical mechanism in the GFDL atmospheric model AM3, J. Geophys. Res., 117, D15303, doi:10.1029/2012JD017838.
19. Zhu, D.; Tao, S.; Wang, R.; Shen, H. Z.; Huang, Y.; Shen, G. F.; Wang, B.; Li, W.; Zhang, Y. Y.; Chen, H.; Chen, Y. C.; Liu, J. F.; Li, B. G.; Wang, X. L.; Liu, W. X. Temporal and spatial trends of residential energy consumption and air pollutant emissions in China. Appl. Energ. 2013, 106, 17-24.
18. Wang, R.; Tao, S.; Wang, W. T.; Liu, J. F.; Shen, H. Z.; Shen, G. F.; Wang, B.; Liu, X. P.; Li, W.; Huang, Y.; Zhang, Y. Y.; Lu, Y.; Chen, H.; Chen, Y. C.; Wang, C.; Zhu, D.; Wang, X. L.; Li, B. G.; Liu, W. X.; Ma, J. M. Black carbon emissions in China from 1949 to 2050. Environ. Sci. Technol. 2012, 46, 7595-7603.
17. Avnery, S, DL Mauzerall, J. Liu, LW Horowitz. “Global Crop Yield Reductions due to Surface Ozone Exposure: 2. Year 2030 Potential Crop Production Losses, Economic Damage, and Implications for World Hunger under Two Scenarios of O3 Pollution”, Atmospheric Environment 45, 2297-2309, 2011
16. Liu, J.*, S. Fan, LW Horowitz, H. Levy II, “Evaluation of Important Factors controlling long-range transport of black carbon to the Arctic”, Journal of Geophysical Research-Atmosphere 116, D04307, doi:10.1029/2010JD015145, 2011
15. Avnery, S, DL Mauzerall, J. Liu, LW Horowitz. Global Crop Yield Reductions due to Surface Ozone Exposure: 1. Year 2000 Crop Production Losses, Economic Damage, and Implications for World Hunger, Atmospheric Environment 45, 2284-2296, 2011
14. Liu, J.*, DL Mauzerall, LW Horowitz, P Ginoux, AM Fiore. Evaluating Inter-continental transport of fine aerosols: (1) Methodology, global aerosol distribution and optical depth, Atmospheric Environment, 43 (28), 4327-4338, 2009.
13. Liu, J.*, DL Mauzerall, LW Horowitz. Evaluating Inter-continental transport of fine aerosols: (2) Global Health Impacts, Atmospheric Environment, 43 (28), 4339-4347, 2009 (reported by Discovery Channel http://dsc.discovery.com/news/2009/08/14/air-pollution-overseas.html and CNN Radio News).
12. Saikawa, E., Naik, V., Horowitz, L.W., Liu, J., Mauzerall, D.L., “Present and potential future contributions of sulfate, black and organic carbon aerosols from China to global air quality, premature mortality and radiative forcing”, Atmospheric Environment , 43 (17), 2814-2822, 2009.
11. Liu, J.*, Mauzerall, D. L., Horowitz, L.W. “Source-Receptor Relationships between East Asian Sulfur Dioxide Emissions and Northern Hemisphere Sulfate Concentrations”, Atmospheric Chemistry and Physics, 8, 3721-3733, 2008
10. Liu, J.* and Mauzerall, D. L., “Evaluating the potential influence of inter-continental transport of sulfate aerosols on air quality”, Environmental Research Letters, 2, 045029, doi:10.1088/1748-9326/2/4/045029, 2007 (reported by Environmental Research Web http://environmentalresearchweb.org/cws/article/news/27770)
9. Liu, J.*, “Evaluating Inter-Continental Transport of Air Pollution and Its Impacts on Global Health: Implications for Regional and Global Cooperation to Mitigate Long-Range Trans-Boundary Transport of Air Pollution”, Ph.D. Dissertation, 2006
8. Liu, J.*, and Mauzerall, D. L., “Estimating the Average Time for Inter-continental Transport of Air Pollutants”, Geophysical Research Letters, 32, L11814, doi:10.1029/ 2005GL022619, 2005
7. Liu, J.*, Mauzerall, D. L., Horowitz, L.W., “Analysis of Seasonal and Inter-annual Variability in Transpacific Transport”, Journal of Geophysical Research-Atmosphere 110, D04302, doi:10.1029/2004JD005207, 2005
6. Liu, J., “Tree Tax May Help Ecosystem Recovery in Western China”, China Environment News, No. 3931, Dec 7, 2004 (In Chinese)
5. Mackie, D., Liu, J., Loh, Y.S., and Thomas, V., “No Evidence of Dioxin Cancer Threshold”, Environmental Health Perspectives, 111 (9), 1145-1147, 2003
4. Liu J., Li J., “A Comparison of Atmospheric Photo-Chemical Mechanisms (I) O3 and NOx”, Environmental Chemistry, Vol.20, No.4, 2001 (In Chinese)
3. Liu J., Li J., “A Comparison of Atmospheric Photo-Chemical Mechanisms (II) HOx and Photo-Chemical Products”, Environmental Chemistry, Vol.20, No.4, 2001 (In Chinese)
2. Liu J., Li J., Bai Y., “The Parameterization of Hydrogen Ion Concentration in Rainfall Water”, Research of Environmental Sciences, 13(1), 18-21, 2000 (In Chinese)
1. Liu J., Li J., Bai Y., “The Numerical Solvers for Atmospheric Chemistry Models”, Research of Environmental Sciences, 13(1), 39-44, 2000 (In Chinese)