| null | Alexander M A， Bladé I， Newman M， et al， 2002.The atmospheric bridge： the influence of ENSO teleconnections on air-sea interaction over the global oceans［J］. Journal of Climate， 15（16）： 2205-2231.DOI： 10.1175/1520-0442（2002）015<2205： TABTIO>2.0.CO； 2 . |
| null | Anderson D L， Rueda A， Cagigal L， et al， 2019.Time-varying emulator for short and long-term analysis of coastal food hazard potential［J］. Journal of Geophysical Research： Oceans， 124（12）： 9209-9234.DOI： 10.1029/2019JC015312 . |
| null | |
| null | Capotondi A， Wittenberg A T， Newman M， et al， 2015.Understanding ENSO diversity［J］. Bulletin of the American Meteorological Society， 96（6）： 921-938.DOI： 10.1175/BAMS-D-13-00117.1 . |
| null | Celestino A E M， Cruz D A M， Sánchez E M O， et al， 2018.Groundwater quality assessment： an improved approach to K-means clustering， principal component analysis and spatial analysis： a case study［J］. Water， 10（4）： 437.DOI： 10.3390/w10040437 . |
| null | Chen M C， Li T， 2021.ENSO evolution asymmetry： EP versus CP El Ni?o［J］. Climate Dynamics， 56： 3569-3579.DOI： 10.1007/s00382-021-05654-7 . |
| null | Chen M C， Li T， Shen X Y， et al， 2016.Relative roles of dynamic and thermodynamic processes in causing evolution asymmetry between El Ni?o and La Ni?a［J］. Journal of Climate， 29（6）： 2201-2220.DOI： 10.1175/JCLI-D-15-0547.1 . |
| null | Chen N， Fang X H， 2023.A simple multiscale intermediate coupled stochastic model for El Ni?o diversity and complexity［J］. Journal of Advances in Modeling Earth Systems， 15（4）： e2022MS003469.DOI： 10.48550/arXiv.2206.06649 . |
| null | Chen N， Fang X H， Yu J Y， 2022.A multiscale model for El Ni?o complexity［J］. npj Climate and Atmospheric Science， 5（1）： 16.DOI： 10.1038/s41612-022-00241-x . |
| null | Chen S J， Zhu Z W， Ge Z A， et al， 2019.The diversity of La Ni?a decay and the corresponding spring and summer precipitation anomalies over eastern China［J］. International Journal of Climatology， 39（7）： 3396-3411.DOI： 10.1002/joc.6100 . |
| null | Chen W， Park J K， Dong B， et al， 2012.The relationship between El Ni?o and the western North Pacific summer climate in a coupled GCM： role of the transition of El Ni?o decaying phases［J］. Journal of Geophysical Research： Atmospheres， 117： D12111.DOI： 10.1029/2011JD017385 . |
| null | Fang X H， Chen N， 2023.Quantifying the predictability of ENSO complexity using a statistically accurate multiscale stochastic model and information theory［J］. Journal of Climate， 36（8）： 2681-2702.DOI： 10.1175/JCLI-D-22-0151.1 . |
| null | Fang X H， Mu M， 2018.A three-region conceptual model for central Pacific El Ni?o including zonal advective feedback［J］. Journal of Climate， 31： 4965-4979.DOI： 10.1175/JCLI-D-17-0633.1 . |
| null | Hersbach H， Bell B， Berrisford P， et al， 2020.The ERA5 global reanalysis［J］. Quarterly Journal of the Royal Meteorological Society， 146： 1999-2049.DOI： 10.1002/qj.3803 . |
| null | Hu S J， Li S H， Zhang Y， et al， 2021.Observed strong subsurface marine heatwaves in the tropical western Pacific Ocean［J］. Environmental Research Letters， 16（10）： 104024.DOI： 1088/1748-9326/ac26f2 . |
| null | Huang H J， Zhu Z， Li J， 2024.Disentangling the unprecedented Yangtze River Basin extreme high temperatures in summer 2022： combined impacts of the re-intensified La Ni?a and strong positive NAO［J］. Journal of Climate， 37（3）： 927-942.DOI： 10.1175/JCLI-D-23-0466.1 . |
| null | Jiang W P， Huang G， Huang P， et al， 2019.Northwest Pacific anticyclonic anomalies during post-El Ni?o summers determined by the pace of El Ni?o decay［J］. Journal of Climate， 32（12）： 3487-3503.DOI： 10.1175/JCLI-D-18-0793.1 . |
| null | Johnson N C， 2013.How many ENSO flavors can we distinguish？［J］. Journal of Climate， 26（13）： 4816-4827.DOI： 10.1175/JCLI-D-12-00649.1 . |
| null | Kao H Y， Yu J Y， 2009.Contrasting Eastern-Pacific and Central-Pacific types of ENSO［J］. Journal of Climate， 22（3）： 615-632.DOI： 10.1175/2008JCLI2309.1 . |
| null | Kelly P M， Jones P D， 1996.Removal of the El Ni?o-Southern Oscillation signal from the gridded surface air temperature data set［J］. Journal of Geophysical Research： Atmospheres， 101（D14）： 19013-19022.DOI： 10.1029/96JD01173 . |
| null | Kug J S， Ham Y G， 2011.Are there two types of La Ni?a？［J］. Geophysical Research Letters， 38： L16704.DOI： 10.1029/2011GL048237 . |
| null | Lee S K， DiNezio P N， Chung E S， et al， 2014.Spring persistence， transition and resurgence of El Ni?o［J］. Geophysical Research Letters， 41： 8578-8585.DOI： 10.1002/2014GL062484 . |
| null | Li X， Li C Y， Ling J， et al， 2015.The relationship between contiguous El Ni?o and La Ni?a revealed by self-organizing maps［J］. Journal of Climate， 28（20）： 8118-8134.DOI： 10.1175/JCLI-D-15-0123.1 . |
| null | Luther D S， Harrison D E， Knox R A， 1983.Zonal winds in the central equatorial Pacific and El Ni?o［J］. Science， 222（4621）： 327-330.DOI： 10.1126/science.222.4621.327 . |
| null | McPhaden M J， Bahr F， Du Penhoat Y， et al， 1992.The response of the western equatorial Pacific Ocean to westerly wind bursts during November 1989 to January 1990［J］. Journal of Geophysical Research： Oceans， 97（C9）： 14289-14303.DOI： 10.1029/92JC01197 . |
| null | McPhaden M J， Zebiak S E， Glantz M H， 2006.ENSO as an intriguing concept in Earth science［J］. Science， 314（5806）： 1740-1745.DOI： 10.1126/science.1132588 . |
| null | |
| null | Rayner N A， Parker D E， Horton E B， et al， 2003.Global analyses of sea surface temperature， sea ice， and night marine air temperature since the late nineteenth century［J］. Journal of Geophysical Research： Atmospheres， 108： 4407.DOI： 10.1029/2002JD002670 . |
| null | Ren H L， Jin F F， 2011.Ni?o indices for two types of ENSO［J］. Geophysical Research Letters， 38： L04704.DOI： 10.1029/2010GL046031 . |
| null | Rousseeuw P， 1987.Silhouettes： a graphical aid to the interpretation and validation of cluster analysis［J］. Journal of Computational and Applied Mathematics， 20： 53-65.DOI： 10.1016/0377-0427（87）90125-7 . |
| null | Takahashi K， Montecinos A， Goubanova K， et al， 2011.ENSO regimes： reinterpreting the Canonical and Modoki El Ni?o［J］. Geophysical Research Letters， 38： L10704.DOI： 10.1029/2011gl047364 . |
| null | Tang S K， Qiao S B， Wang B， et al， 2023.Linkages of unprecedented 2022 Yangtze River Valley heatwaves to Pakistan flood and triple-dip La Ni?a［J］. npj Climate and Atmospheric Science， 6： 44.DOI： 10.1038/s41612-023-00386-3 . |
| null | Timmermann A， An S I， Kug J S， et al， 2018.El Ni?o-Southern oscillation complexity［J］. Nature， 559： 535-545.DOI： 10.1038/s41586-018-0252-6 . |
| null | Wallace J M， Rasmusson E M， Mitchell T P， et al， 1998.On the structure and evolution of ENSO-related climate variability in the tropical Pacific： lessons from TOGA［J］. Journal of Geophysical Research： Atmospheres， 1031（C7）： 14241-14260.DOI： 10. 1029/97JC02905 . |
| null | Wang B， Luo X， Sun W Y， et al， 2020.El Ni?o diversity across boreal spring predictability barrier［J］. Geophysical Research Letters， 47： e2020GL087354.DOI： 10.1029/2020GL087354 . |
| null | Wang B， Luo X， Yang Y M， et al， 2019.Historical change of El Ni?o properties sheds light on future changes of extreme El Ni?o［J］. Proceedings of the National Academy of Sciences， 116（45）： 22512-22517.DOI： 10.1073/pnas.1911130116 . |
| null | |
| null | Wyrtki K， 1985.Water displacements in the Pacific and the genesis of El Ni?o cycles［J］. Journal of Geophysical Research： Oceans， 90（C4）： 7129-7132.DOI： 10.1029/JC090iC04p07129 . |
| null | Xu Q， Ding C， Liu J P， et al， 2015.PCA-guided search for K-means［J］. Pattern Recognition Letters， 54： 50-55.DOI： 10.1016/j.patrec.2014.11.017 . |
| null | Yang X K， Huang P， 2022.The diversity of ENSO evolution during the typical decaying periods determined by an ENSO developing mode［J］. Journal of Climate， 35（12）： 3877-3889.DOI： 10. 1175/JCLI-D-21-0892.1 . |
| null | Zuo H， Balmaseda M A， Tietsche S， et al， 2019.The ECMWF operational ensemble reanalysis-analysis system for ocean and sea-ice： a description of the system and assessment［J］. Ocean Science， 15（3）： 779-808.DOI： 10.5194/os-2018-154 . |
| null | |
| null | Xu F， Li X H， et al， 2017.Intensities and time-frequency variability of ENSO in the last 65 years［J］. Journal of Tropical Meteorology， 33（5）： 683-694.DOI： 10.16032/j.issn.1004-4965.2017.05.012 . |
| null | |
| null | Wang L， Li X H， et al， 2022.Spatiotemporal change characteristics of extreme precipitation in southwestern China and its relationship with intense ENSO events［J］. Plateau Meteorology， 41（3）： 604-616.DOI： 10.7522/j.issn.1000-0534.2022.00004 . |
| null | |
| null | Li Y， Feng J， 2022.Characteries of boreal autumn Hadley Circulation over the Asian domain and its relationship with tropical SST［J］. Plateau Meteorology， 41（6）： 1399-1409.DOI： 10.7522/j.issn.1000-0534.2021.00093 . |
| null | |
| null | Li Z H， Wang M S， et al， 2017.Review of research on the influence of climate anomaly caused by El Ni?o and La Ni?a in Guangdong Province［J］. Guangdong Meteorology， 39（4）： 6-9.DOI： 10.3969/j.issn.1007-6190.2017.04.002 . |
| null | |
| null | Li S L， Zhang C， 2020.A comparison of intraseasonal rainfall features over the middle and lower reaches of Yangtze River during summers of 1991， 1998 and 2016［J］. Journal of Tropical Meteorology， 36（1）： 13-24.DOI： 10.16032/j.issn.1004-4965.2020.002 . |
| null | |
| null | Li C Y， Tan Y K， et al， 2013.Tropical Pacific-Indian Ocean thermocline temperature associated anomaly mode and its evolvement［J］. Chinese Journal of Geophysics， 56（10）： 3270-3284.DOI： 10.6038/cjg20131005 . |
| null | |
| null | Zhang R N， Sun C H， et al， 2016.Recent research advances on the interannual-interdecadal variations of drought/flood in South China and associated causes［J］. Journal of Applied Meteorological Science， 27（5）： 577-591.DOI： 10.11898/1001-7313.20160507 . |
| null | |
| null | Li Y Q， 2024.Progress of the evolutionary characteristics of autumn rain in western China and its anomalous mechanism for the past 20 years［J］. Plateau Meteorology， 43（1）： 1-15.DOI： 10.7522/j.issn.1000-0534.2023.00028 . |
| null | |
| null | Li L P， Wang Y Q， 2019.Contrast of characteristics of SST anomaly and the summer rainfall in East China in the following years of two strong El Ni?o events［J］. Transactions of Atmospheric Sciences， 42（5）： 715-724.DOI： 10.13878/j.cnki.dqkxxb.20170901002 . |
| null | |
| null | Zhu B， Lai H H， et al， 2023.A statistical test of station thunderstorm days based on lightning location system and its evolution characteristics［J］. Plateau Meteorology， 42（6）： 1604-1614.DOI： 10.7522/j.issn.1000-0534.2023.00013 . |
| null | |
| null | Yuan Y， Sun C H， et al， 2012.Review of progress of ENSO studies in the past three decades［J］. Advances in Meteorological Science and Technology， 2（3）： 17-24.DOI： 10.3969/j.issn.2095-1973.2012.03.002 . |
| null | |
| null | Zhao J B， 2012.Effect of ENSO events on climate and climatic disasters in the Hexi Corridor， Gansu Province［J］. Arid Zone Research， 29（6）： 949-955.DOI： 10.13866/j.azr.2012.06.025 . |
| null | |
| null | Zou Li， Wang C L， et al， 2006.Impacts of The East Asian summer monsoon anomaly during the ENSO event period on the summer precipitation in the lower-middle reaches of the Yangtze River and Huaihe River Valley［J］. Journal of Tropical Meteorology， 4： 360-366.DOI： 10.16032/j.issn.1004-4965.2006.04.007 . |
