Variability in temperature extremes across the Tibetan Plateau and its non-uniform responses to different ENSO types

Zhiwei Yong (), Zegen Wang (), Junnan Xiong (), Chongchong Ye (), Huaizhang Sun () and Shaojie Wu ()
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Zhiwei Yong: Southwest Petroleum University
Zegen Wang: Southwest Petroleum University
Junnan Xiong: Southwest Petroleum University
Chongchong Ye: Beijing Normal University
Huaizhang Sun: Sun Yat-sen University
Shaojie Wu: Institute of Aerospace Information Applications, Co., Ltd.

Climatic Change, 2023, vol. 176, issue 7, No 12, 19 pages

Abstract: Abstract Variability of extreme temperatures has an important influence on sensitive ecosystem and human activities on the Tibetan Plateau (TP). Nevertheless, the uncertainties of different El Niño-Southern Oscillation (ENSO) effects on extreme temperatures over the TP are poorly understood. Thus, this study focuses on variations in temperature extremes across the TP during 1980–2020 based on the daily maximum temperature and minimum temperature. We quantitatively examine the effects of different ENSO phases and related large-scale atmospheric circulation anomalies on the changes in temperature extremes according to different ENSO phases. The results show that the number of extreme cold events decreased significantly on the TP, while the number of extreme warm events increased significantly from 1980 to 2020. Moreover, our results suggest that the response of temperature extremes differs between the Eastern Pacific (EP) and Central Pacific (CP) ENSO. In particular, EP El Niño episodes result in more extreme cold events (r = 0.36, P

Keywords: Temperature extremes; Eastern Pacific ENSO; Central Pacific ENSO; Atmospheric circulation anomalies; Tibetan Plateau (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10584-023-03566-5

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