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102. Unveiling teleconnection drivers for heatwave prediction in South Korea using explainable artificial intelligence

102. Unveiling teleconnection drivers for heatwave prediction in South Korea using explainable artificial intelligence

저자

Yeonsu Lee, Dongjin Cho, Jungho Im, Cheolhee Yoo, Joonlee Lee, Yoo-Geun Ham & Myong-In Lee

저널 정보

npj Climate and Atmospheric Science

출간연도

August 2024

Unveiling teleconnection drivers for heatwave prediction in South Korea using explainable artificial intelligence
Yeonsu Lee, Dongjin Cho, Jungho Im, Cheolhee Yoo, Joonlee Lee, Yoo-Geun Ham & Myong-In Lee 

Abstract:
Increasing heatwave intensity and mortality demand timely and accurate heatwave prediction. The present study focused on teleconnection, the influence of distant land and ocean variability on local weather events, to drive long-term heatwave predictions. The complexity of teleconnection poses challenges for physical-based prediction models. In this study, we employed a machine learning model and explainable artificial intelligence to identify the teleconnection drivers for heatwaves in South Korea. Drivers were selected based on their statistical significance with annual heatwave frequency ( | R | > 0.3, p < 0.05). Our analysis revealed that two snow depth (SD) variabilities—a decrease in the Gobi Desert and increase in the Tianshan Mountains—are the most important and predictive teleconnection drivers. These drivers exhibit a high correlation with summer climate conditions conducive to heatwaves. Our study lays the groundwork for further research into understanding land–atmosphere interactions over these two SD regions and their significant impact on heatwave patterns in South Korea.

PDF: P2024_7
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