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

Abstract The intensity of extreme precipitation has been projected to increase with increasing air temperature according to the thermodynamic Clausius–Clapeyron (C-C) relation. Over the last decade, observational studies have succeeded in demonstrating the scaling relationship between extreme precip...

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Autores principales:	Daisuke Hatsuzuka, Tomonori Sato, Yoshihito Higuchi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Environmental sciences GE1-350 Meteorology. Climatology QC851-999
Acceso en línea:	https://doaj.org/article/396a45ccd04e4e0899a897376e508873
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spelling	oai:doaj.org-article:396a45ccd04e4e0899a897376e5088732021-12-02T16:50:20ZSharp rises in large-scale, long-duration precipitation extremes with higher temperatures over Japan10.1038/s41612-021-00184-92397-3722https://doaj.org/article/396a45ccd04e4e0899a897376e5088732021-05-01T00:00:00Zhttps://doi.org/10.1038/s41612-021-00184-9https://doaj.org/toc/2397-3722Abstract The intensity of extreme precipitation has been projected to increase with increasing air temperature according to the thermodynamic Clausius–Clapeyron (C-C) relation. Over the last decade, observational studies have succeeded in demonstrating the scaling relationship between extreme precipitation and temperature to understand the projected changes. In mid-latitude coastal regions, intense precipitation is strongly influenced by synoptic patterns and a particular characteristic is the long-lasting heavy precipitation driven by abundant moisture transport. However, the effect of synoptic patterns on the scaling relationship remains unclear. Here we conduct an event-based analysis using long-term historical records in Japan, to distinguish extreme precipitation arising from different synoptic patterns. We find that event peak intensity increases more sharply in persistent precipitation events, which lasted more than 10 h, sustained by atmospheric river-like circulation patterns. The long duration-accumulated precipitation extremes also increase with temperature at a rate considerably above the C-C rate at higher temperatures. Our result suggests that long-lasting precipitation events respond more to warming compared with short-duration events. This greatly increases the risks of future floods and landslides in the mid-latitude coastal regions.Daisuke HatsuzukaTomonori SatoYoshihito HiguchiNature PortfolioarticleEnvironmental sciencesGE1-350Meteorology. ClimatologyQC851-999ENnpj Climate and Atmospheric Science, Vol 4, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Environmental sciences GE1-350 Meteorology. Climatology QC851-999
spellingShingle	Environmental sciences GE1-350 Meteorology. Climatology QC851-999 Daisuke Hatsuzuka Tomonori Sato Yoshihito Higuchi Sharp rises in large-scale, long-duration precipitation extremes with higher temperatures over Japan
description	Abstract The intensity of extreme precipitation has been projected to increase with increasing air temperature according to the thermodynamic Clausius–Clapeyron (C-C) relation. Over the last decade, observational studies have succeeded in demonstrating the scaling relationship between extreme precipitation and temperature to understand the projected changes. In mid-latitude coastal regions, intense precipitation is strongly influenced by synoptic patterns and a particular characteristic is the long-lasting heavy precipitation driven by abundant moisture transport. However, the effect of synoptic patterns on the scaling relationship remains unclear. Here we conduct an event-based analysis using long-term historical records in Japan, to distinguish extreme precipitation arising from different synoptic patterns. We find that event peak intensity increases more sharply in persistent precipitation events, which lasted more than 10 h, sustained by atmospheric river-like circulation patterns. The long duration-accumulated precipitation extremes also increase with temperature at a rate considerably above the C-C rate at higher temperatures. Our result suggests that long-lasting precipitation events respond more to warming compared with short-duration events. This greatly increases the risks of future floods and landslides in the mid-latitude coastal regions.
format	article
author	Daisuke Hatsuzuka Tomonori Sato Yoshihito Higuchi
author_facet	Daisuke Hatsuzuka Tomonori Sato Yoshihito Higuchi
author_sort	Daisuke Hatsuzuka
title	Sharp rises in large-scale, long-duration precipitation extremes with higher temperatures over Japan
title_short	Sharp rises in large-scale, long-duration precipitation extremes with higher temperatures over Japan
title_full	Sharp rises in large-scale, long-duration precipitation extremes with higher temperatures over Japan
title_fullStr	Sharp rises in large-scale, long-duration precipitation extremes with higher temperatures over Japan
title_full_unstemmed	Sharp rises in large-scale, long-duration precipitation extremes with higher temperatures over Japan
title_sort	sharp rises in large-scale, long-duration precipitation extremes with higher temperatures over japan
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/396a45ccd04e4e0899a897376e508873
work_keys_str_mv	AT daisukehatsuzuka sharprisesinlargescalelongdurationprecipitationextremeswithhighertemperaturesoverjapan AT tomonorisato sharprisesinlargescalelongdurationprecipitationextremeswithhighertemperaturesoverjapan AT yoshihitohiguchi sharprisesinlargescalelongdurationprecipitationextremeswithhighertemperaturesoverjapan
_version_	1718383030680158208

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

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