Baldwin, M. P., and T. J. Dunkerton, 2001: Stratospheric harbingers of anomalous weather regimes. Science, 294, 581−584, https://doi.org/10.1126/science.1063315. |
Baldwin, M. P., and Coauthors, 2021: Sudden stratospheric warmings. Rev. Geophys., 59, e2020RG000708, https://doi.org/10.1029/2020RG000708. |
Bu, X., Z. L. Xie, J. Liu, L. Y. Wei, X. Q. Wang, M. W. Chen, and H. Ren, 2021: Global PM2.5-attributable health burden from 1990 to 2017: Estimates from the Global Burden of disease study 2017. Environ. Res., 197, 111123, https://doi.org/10.1016/j.envres.2021.111123. |
Butler, A. H., D. J. Seidel, S. C. Hardiman, N. Butchart, T. Birner, and A. Match, 2015: Defining sudden stratospheric warmings. Bull. Amer. Meteor. Soc., 96, 1913−1928, https://doi.org/10.1175/BAMS-D-13-00173.1. |
Cao, C., Y. H. Chen, J. Rao, S. M. Liu, S. Y. Li, M. H. Ma, and Y. B. Wang, 2019: Statistical characteristics of major sudden stratospheric warming events in CESM1-WACCM: A comparison with the JRA55 and NCEP/NCAR reanalyses. Atmosphere, 10, 519, https://doi.org/10.3390/atmos10090519. |
Chang, L. Y., Z. W. Wu, and J. M. Xu, 2020: Potential impacts of the Southern Hemisphere polar vortices on central-eastern China haze pollution during boreal early winter. Climate Dyn., 55, 771−787, https://doi.org/10.1007/s00382-020-05294-3. |
Charlton, A. J., and L. M. Polvani, 2007: A new look at stratospheric sudden warmings. Part I: Climatology and modeling benchmarks. J. Climate, 20, 449−469, https://doi.org/10.1175/JCLI3996.1. |
Chen, H. P., H. J. Wang, J. Q. Sun, Y. Y. Xu, and Z. C. Yin, 2019a: Anthropogenic fine particulate matter pollution will be exacerbated in eastern China due to 21st century GHG warming. Atmospheric Chemistry and Physics, 19, 233−243, https://doi.org/10.5194/acp-19-233-2019. |
Chen, T. M., Z. Q. Li, R. A. Kahn, C. F. Zhao, D. Rosenfeld, J. P. Guo, W. C. Han, and D. D. Chen, 2021: Potential impact of aerosols on convective clouds revealed by Himawari-8 observations over different terrain types in eastern China. Atmospheric Chemistry and Physics, 21, 6199−6220, https://doi.org/10.5194/acp-21-6199-2021. |
Chen, Y. Y., C. F. Zhao, and Y. Ming, 2019b: Potential impacts of Arctic warming on Northern Hemisphere mid-latitude aerosol optical depth. Climate Dyn., 53, 1637−1651, https://doi.org/10.1007/s00382-019-04706-3. |
Dang, R. J., and H. Liao, 2019: Severe winter haze days in the Beijing-Tianjin-Hebei region from 1985 to 2017 and the roles of anthropogenic emissions and meteorology. Atmospheric Chemistry and Physics, 19, 10 801−10 816, |
Ding, A. J., and Coauthors, 2019: Significant reduction of PM2.5 in eastern China due to regional-scale emission control: Evidence from SORPES in 2011-2018. Atmospheric Chemistry and Physics, 19, 11 791−11 801, |
Fan, H., C. F. Zhao, and Y. K. Yang, 2020: A comprehensive analysis of the spatio-temporal variation of urban air pollution in China during 2014−2018. Atmos. Environ., 220, 117066, https://doi.org/10.1016/j.atmosenv.2019.117066. |
Fan, H., Y. Wang, C. F. Zhao, Y. K. Yang, X. C. Yang, Y. Sun, and S. Y. Jiang, 2021a: The role of primary emission and transboundary transport in the air quality changes during and after the COVID-19 lockdown in China. Geophys. Res. Lett., 48, e2020GL091065, https://doi.org/10.1029/2020GL091065. |
Fan, H., C. F. Zhao, Y. K. Yang and X. C. Yang, 2021b: Spatio-temporal variations of the PM2.5/PM10 ratios and its application to air pollution type classification in China. Frontiers in Environmental Science, 9, 692440, https://doi.org/10.3389/fenvs.2021.692440. |
Feng, J., J. N. Quan, H. Liao, Y. J. Li, and X. J. Zhao, 2018: An air stagnation index to qualify extreme haze events in northern China. J. Atmos. Sci., 75, 3489−3505, https://doi.org/10.1175/JAS-D-17-0354.1. |
Garfinkel, C. I., S.-W. Son, K. Song, V. Aquila, and L. D. Oman, 2017: Stratospheric variability contributed to and sustained the recent hiatus in Eurasian winter warming. Geophys. Res. Lett., 44, 374−382, https://doi.org/10.1002/2016GL072035. |
Gong, H. N., L. Wang, W. Chen, R. G. Wu, W. Zhou, L. Liu, D. Nath, and X. Q. Lan, 2019: Diversity of the wintertime Arctic oscillation pattern among CMIP5 models: Role of the stratospheric polar vortex. J. Climate, 32, 5235−5250, https://doi.org/10.1175/JCLI-D-18-0603.1. |
Hersbach, H., and Coauthors, 2020: The ERA5 global reanalysis. Quart. J. Roy. Meteor. Soc., 146, 1999−2049, https://doi.org/10.1002/qj.3803. |
Hu, J. G., R. C. Ren, and H. M. Xu, 2014: Occurrence of winter stratospheric sudden warming events and the seasonal timing of spring stratospheric final warming. J. Atmos. Sci., 71, 2319−2334, https://doi.org/10.1175/JAS-D-13-0349.1. |
Huang, R. J., and Coauthors, 2015: High secondary aerosol contribution to particulate pollution during haze events in China. Nature, 514, 218−222, https://doi.org/10.1038/nature13774. |
Huang, W., Y. Y. Yu, Z. C. Yin, H. S. Chen, and M. Gao, 2021: Appreciable role of stratospheric polar vortex in the abnormal diffusion of air pollutant in North China in 2015/2016 winter and implications for prediction. Atmos. Environ., 259, 118549, https://doi.org/10.1016/j.atmosenv.2021.118549. |
Huang, X., Z. L. Wang, and A. J. Ding, 2018: Impact of aerosol-PBL interaction on haze pollution: Multiyear observational evidences in North China. Geophys. Res. Lett., 45, 8596−8603, https://doi.org/10.1029/2018GL079239. |
Huang, X., A. J. Ding, Z. L. Wang, K. Ding, J. Gao, F. H. Chai, and C. B. Fu, 2020: Amplified transboundary transport of haze by aerosol–boundary layer interaction in China. Nature Geoscience, 13, 428−434, https://doi.org/10.1038/s41561-020-0583-4. |
Karpechko, A. Y., A. Charlton-Perez, M. Balmaseda, N. Tyrrell, and F. Vitart, 2018: Predicting sudden stratospheric warming 2018 and its climate impacts with a multimodel ensemble. Geophys. Res. Lett., 45, 13 538−13 546, |
Kolstad, E. W., T. Breiteig, T., and A. A. Scaife, 2010: The association between stratospheric weak polar vortex events and cold air outbreaks in the Northern Hemisphere. Quart. J. Roy. Meteor. Soc., 136, 886−893, https://doi.org/10.1002/qj.620. |
Li, K., H. Liao, W. J. Cai, and Y. Yang, 2018: Attribution of anthropogenic influence on atmospheric patterns conducive to recent most severe haze over eastern China. Geophys. Res. Lett., 45, 2072−2081, https://doi.org/10.1002/2017GL076570. |
Li, Z. Q., and Coauthors, 2016: Aerosol and monsoon climate interactions over Asia. Rev. Geophys., 54, 866−929, https://doi.org/10.1002/2015RG000500. |
Li, Z. Q., and Coauthors, 2019: East Asian study of tropospheric aerosols and their impact on regional clouds, precipitation, and climate (EAST-AIRCPC). J. Geophys. Res. Atmos., 124, 13 026−13 054, |
Liu, S.-M., Y.-H. Chen, J. Rao, C. Cao, S.-Y. Li, M.-H. Ma, and Y.-B. Wang, 2019: Parallel comparison of major sudden stratospheric warming events in CESM1-WACCM and CESM2-WACCM. Atmosphere, 10, 679, https://doi.org/10.3390/atmos10110679. |
Liu, Y. Y., L. Wang, W. Zhou, and W. Chen, 2014: Three Eurasian teleconnection patterns: Spatial structures, temporal variability, and associated winter climate anomalies. Climate Dyn., 42, 2817−2839, https://doi.org/10.1007/s00382-014-2163-z. |
Lu, Q., J. Rao, D. Guo, M. Yu, and Y. Y. Yu, 2021a: Downward propagation of sudden stratospheric warming signals and the local environment in the Beijing-Tianjin-Hebei region: A comparative study of the 2018 and 2019 winter cases. Atmospheric Research, 254, 105514, https://doi.org/10.1016/j.atmosres.2021.105514. |
Lu, Q., J. Rao, Z. Q. Liang, D. Guo, J. J. Luo, S. M. Liu, C. Wang, and T. Wang, 2021b: The sudden stratospheric warming in January 2021. Environmental Research Letters, 16, 084029, https://doi.org/10.1088/1748-9326/ac12f4. |
Rao, J., and C. I. Garfinkel, 2021: CMIP5/6 models project little change in the statistical characteristics of sudden stratospheric warmings in the 21st century. Environmental Research Letters, 16, 034024, https://doi.org/10.1088/1748-9326/abd4fe. |
Rao, J., R. C. Ren, H. S. Chen, Y. Y. Yu, and Y. Zhou, 2018: The stratospheric sudden warming event in February 2018 and its prediction by a climate system model. J. Geophys. Res. Atmos., 123, 13 332−13 345, |
Rao, J., C. I. Garfinkel, H. S. Chen, and I. P. White, 2019a: The 2019 new year stratospheric sudden warming and its real-time predictions in multiple S2S models. J. Geophys. Res. Atmos., 124, 11 155−11 174, |
Rao, J., R. C. Ren, H. S. Chen, X. W. Liu, Y. Y. Yu, J. G. Hu, and Y. Zhou, 2019b: Predictability of stratospheric sudden warmings in the Beijing Climate Center forecast system with statistical error corrections. J. Geophys. Res. Atmos., 124, 8385−8400, https://doi.org/10.1029/2019JD030900. |
Rao, J., C. I. Garfinkel, and I. P. White, 2020: Predicting the downward and surface influence of the February 2018 and January 2019 sudden stratospheric warming events in subseasonal to seasonal (S2S) models. J. Geophys. Res. Atmos., 125, e2019JD031919, https://doi.org/10.1029/2019JD031919. |
Rao, J., S. M. Liu, and Y. H. Chen, 2021a: Northern Hemisphere sudden stratospheric warming and its downward impact in four Chinese CMIP6 models. Adv. Atmos. Sci., 38, 187−202, https://doi.org/10.1007/s00376-020-0250-0. |
Rao, J., C. I. Garfinkel, T. W. Wu, Y. X. Lu, Q. Lu, and Z. Q. Liang, 2021b: The January 2021 sudden stratospheric warming and its prediction in Subseasonal to Seasonal models. J. Geophys. Res. Atmos., 126, e2021JD035057, https://doi.org/10.1029/2021JD035057. |
Ren, R.-C., and M. Cai, 2007: Meridional and vertical out-of-phase relationships of temperature anomalies associated with the Northern Annular Mode variability. Geophys. Res. Lett., 34, L07704, https://doi.org/10.1029/2006GL028729. |
Sun, Y., C. F. Zhao, Y. F. Su, Z. S. Ma, J. M. Li, H. Letu, Y. K. Yang, and H. Fan, 2019: Distinct impacts of light and heavy precipitation on PM2.5 mass concentration in Beijing. Earth and Space Science, 6, 1915−1925, https://doi.org/10.1029/2019EA000717. |
Sun, Z. B., and Coauthors, 2018: Oscillation of surface PM2.5 concentration resulting from an alternation of easterly and southerly winds in Beijing: Mechanisms and implications. Journal of Meteorological Research, 32, 288−301, https://doi.org/10.1007/s13351-018-7064-3. |
Wang, H.-J., H.-P. Chen, and J.-P. Liu, 2015: Arctic sea ice decline intensified haze pollution in eastern China. Atmos. Ocean. Sci. Lett., 8, 1−9, https://doi.org/10.3878/AOSL20140081. |
Wang, H.-J., and H.-P. Chen, 2016: Understanding the recent trend of haze pollution in eastern China: Roles of climate change. Atmospheric Chemistry and Physics, 16, 4205−4211, https://doi.org/10.5194/acp-16-4205-2016. |
Wang, N., and Y.-C. Zhang, 2015: Connections between the Eurasian teleconnection and concurrent variation of upper-level jets over East Asia. Adv. Atmos. Sci., 32, 336−348, https://doi.org/10.1007/s00376-014-4088-1. |
Wei, K., Z. L. Cai, W. Chen, and L. Y. Xu, 2018: The effect of a well-resolved stratosphere on East Asian winter climate. Climate Dyn., 51, 4015−4028, https://doi.org/10.1007/s00382-016-3419-6. |
Wu, P., Y. H. Ding, and Y. J. Liu, 2017: Atmospheric circulation and dynamic mechanism for persistent haze events in the Beijing–Tianjin–Hebei region. Adv. Atmos. Sci., 34, 429−440, https://doi.org/10.1007/s00376-016-6158-z. |
Xia Y., Y. Y. Hu, Y. Huang, C. F. Zhao, F. Xie, and Y. K. Yang, 2021: Significant contribution of severe ozone loss to the Siberian-Arctic surface warming in spring 2020. Geophys. Res. Lett., 48, e2021GL092509, https://doi.org/10.1029/2021GL092509. |
Yang, X. C., Y. Wang, C. F. Zhao, H. Fan, Y. K. Yang, Y. L. Chi, L. X. Shen, and X. Yan, 2022: Health risk and disease burden attributable to long-term global fine-mode particles. Chemosphere, 287, 132435, https://doi.org/10.1016/j.chemosphere.2021.132435. |
Yang, Y., H. Liao, and S. J. Lou, 2016: Increase in winter haze over eastern China in recent decades: Roles of variations in meteorological parameters and anthropogenic emissions. J. Geophys. Res. Atmos., 121, 13 050−13 065, |
Ye, W.-F., Z.-Y. Ma, and X.-Z. Ha, 2018: Spatial-temporal patterns of PM2.5 concentrations for 338 Chinese cities. Science of The Total Environment, 631−632, 524−533, |
Yin, Z. C., and H. J. Wang, 2016: The relationship between the subtropical Western Pacific SST and haze over North-Central North China Plain. International Journal of Climatology, 36, 3479−3491, https://doi.org/10.1002/joc.4570. |
Yin, Z. C., Y. J. Zhang, H. J. Wang, and Y. Y. Li, 2021: Evident PM2.5 drops in the east of China due to the COVID-19 quarantine measures in February. Atmospheric Chemistry and Physics, 21, 1581−1592, https://doi.org/10.5194/acp-21-1581-2021. |
Yu, Y. Y., R. C. Ren, and M. Cai, 2015: Dynamic linkage between cold air outbreaks and intensity variations of the meridional mass circulation. J. Atmos. Sci., 72, 3214−3232, https://doi.org/10.1175/JAS-D-14-0390.1. |
Zhai, S. X., and Coauthors, 2019: Fine particulate matter (PM2.5) trends in China, 2013−2018: Separating contributions from anthropogenic emissions and meteorology. Atmospheric Chemistry and Physics, 19, 11 031−11 041, |
Zhang, Y. J., Z. C. Yin, and H. Wang, 2020: Roles of climate variability on the rapid increases of early winter haze pollution in North China after 2010. Atmospheric Chemistry and Physics, 20, 12 211−12 221, |
Zhao, C. F., Y. Wang, X. Q. Shi, D. Z. Zhang, C. Y. Wang, J. H. Jiang, Q. Zhang, and H. Fan, 2019: Estimating the contribution of local primary emissions to particulate pollution using high-density station observations. J. Geophys. Res. Atmos., 124, 1648−1661, https://doi.org/10.1029/2018JD028888. |