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Sharp rises in large-scale, long-duration precipitation extremes with higher temperatures over Japan

Earth Sciences

Sharp rises in large-scale, long-duration precipitation extremes with higher temperatures over Japan

D. Hatsuzuka, T. Sato, et al.

Discover how extreme precipitation and temperature in Japan are interlinked through synoptic patterns in groundbreaking research by Daisuke Hatsuzuka, Tomonori Sato, and Yoshihito Higuchi. This study reveals alarming findings about persistent precipitation events and their increased intensity with rising temperatures, shedding light on the heightened risk of floods and landslides.

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Playback language: English
Abstract
This study investigates the relationship between extreme precipitation and temperature in Japan, focusing on the impact of synoptic patterns. Using long-term historical records and an event-based analysis, the researchers find that persistent precipitation events (lasting over 10 hours), often associated with atmospheric river-like circulations, exhibit a sharper increase in peak intensity with rising temperatures than shorter-duration events. Long-duration accumulated precipitation extremes increase at a rate significantly above the Clausius-Clapeyron rate at higher temperatures, highlighting increased flood and landslide risks in mid-latitude coastal regions.
Publisher
npj Climate and Atmospheric Science
Published On
May 14, 2021
Authors
Daisuke Hatsuzuka, Tomonori Sato, Yoshihito Higuchi
Tags
extreme precipitation
temperature
Japan
synoptic patterns
climate change
flood risk
landslide risk

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