![]() ![]() ![]() J Clim 33(12):5293–5304įield CB et al (2014) Impacts, adaptation, and vulnerability. Nat Clim Change 6(5):508–513ĭong S, Sun Y, Li C (2020) Detection of human influence on precipitation extremes in Asia. ĭonat MG, Lowry AL, Alexander LV, O’Gorman PA, Maher N (2017) More extreme precipitation in the world’s dry and wet regions. J Clim 26:2756–2783ĭing Y, Liu Y, Hu ZZ (2021) The record-breaking Meiyu in 2020 and associated atmospheric circulation and tropical SST anomalies. Clim Dyn 45(7–8):2033–2046Ĭhristidis N, Stott PA, Scaife AA, Arribas A, Jones GS, Copsey D, Knight JR, Tennant WJ (2013) A new HadGEM3-A-based system for attribution of weather and climate-related extreme events. Clim Res 57(2):143–155Ĭhen W, Lee JY, Lu R, Dong B, Ha KJ (2014) Intensified impact of tropical Atlantic SST on the western North Pacific summer climate under a weakened Atlantic thermohaline circulation. Cambridge University Press, Cambridge, pp 867–952Ĭhen H, Sun J (2017) Contribution of human influence to increased daily precipitation extremes over China. In: Stocker TF et al (eds) Climate change 2013: the physical science basis. Climate change 2013: the physical science basis. Chin Sci Bull 62(9):928–937 ( (in Chinese))īindoff NL et al (2013) Detection and attribution of climate change: from global to regional. īi BG, Zhang X, Dai K (2017) Characteristics of 2016 severe convective weather and extreme rainfalls under the background of super El Niño. Īshok K, Behera SK, Rao SA, Weng H, Yamagata T (2007) El Niño Modoki and its possible teleconnection. The higher occurrence likelihood of circulation patterns conducive to precipitation in all forcing experiment than that in natural forcing proves that the extreme precipitation in the YRV in 2020 is attributable to human-induced climate change.Īllen M, Stott P (2003) Estimating signal amplitudes in optimal fingerprinting, Part I. Such SST warming drives the frequency change of synoptic-scale circulation patterns through air sea interaction. ![]() Quantitatively, the changes of TIO and TAO SST caused by anthropogenic forcing are 0.12 ☌/10a and 0.08 ☌/10a, respectively. Human influence is the primary cause for the observed SST rise in TIO and TAO since 1961, to which anthropogenic greenhouse gas emissions contribute the most. The SST warming in tropical Indian Ocean (TIO) and tropical Atlantic Ocean (TAO) lead to the anomalous anticyclone in the Northwest Pacific, which further aggravate the occurrence of extreme precipitation in the YRV. Both the amount and frequency of extreme rainfall during the Meiyu period in 2020 broke the historical record since 1961. The results indicate that the increase in extreme precipitation over the YRV has accounted for 69% of the increase in total precipitation since 1961. The impact of climate change on this event is examined from the perspectives of key physical processes including synoptic-scale circulation pattern and tropical sea surface temperature (SST) forcing based on self‐organizing map approach and the regularized optimal fingerprinting method. Record-breaking extreme precipitation occurred over the Yangtze River Valley (YRV) in June–July 2020. ![]()
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