Storm type effects on super Clausius-Clapeyron scaling of intense rainstorm properties with air temperature
dc.contributor.author
Molnar, Peter
dc.contributor.author
Fatichi, Simone
dc.contributor.author
Gaál, Ladislav
dc.contributor.author
Szolgay, Jan
dc.contributor.author
Burlando, Paolo
dc.date.accessioned
2021-07-30T11:27:12Z
dc.date.available
2017-06-11T17:15:32Z
dc.date.available
2019-06-11T14:53:20Z
dc.date.available
2021-07-30T11:27:12Z
dc.date.issued
2015-04-16
dc.identifier.issn
1027-5606
dc.identifier.issn
1607-7938
dc.identifier.other
10.5194/hess-19-1753-2015
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/100493
dc.identifier.doi
10.3929/ethz-b-000100493
dc.description.abstract
Extreme precipitation is thought to increase with warming at rates similar to or greater than the water vapour holding capacity of the air at ~ 7% °C−1, the so-called Clausius–Clapeyron (CC) rate. We present an empirical study of the variability in the rates of increase in precipitation intensity with air temperature using 30 years of 10 min and 1 h data from 59 stations in Switzerland. The analysis is conducted on storm events rather than fixed interval data, and divided into storm type subsets based on the presence of lightning which is expected to indicate convection. The average rates of increase in extremes (95th percentile) of mean event intensity computed from 10 min data are 6.5% °C−1 (no-lightning events), 8.9% °C−1 (lightning events) and 10.7% °C−1 (all events combined). For peak 10 min intensities during an event the rates are 6.9% °C−1 (no-lightning events), 9.3% °C−1 (lightning events) and 13.0% °C−1 (all events combined). Mixing of the two storm types exaggerates the relations to air temperature. Doubled CC rates reported by other studies are an exception in our data set, even in convective rain. The large spatial variability in scaling rates across Switzerland suggests that both local (orographic) and regional effects limit moisture supply and availability in Alpine environments, especially in mountain valleys. The estimated number of convective events has increased across Switzerland in the last 30 years, with 30% of the stations showing statistically significant changes. The changes in intense convective storms with higher temperatures may be relevant for hydrological risk connected with those events in the future.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Copernicus
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/3.0/
dc.title
Storm type effects on super Clausius-Clapeyron scaling of intense rainstorm properties with air temperature
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 3.0 Unported
ethz.journal.title
Hydrology and Earth System Sciences
ethz.journal.volume
19
en_US
ethz.journal.issue
4
en_US
ethz.journal.abbreviated
Hydrol. Earth Syst. Sci.
ethz.pages.start
1753
en_US
ethz.pages.end
1766
en_US
ethz.size
24 p.
en_US
ethz.version.deposit
publishedVersion
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ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Göttingen
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02608 - Institut für Umweltingenieurwiss. / Institute of Environmental Engineering::03473 - Burlando, Paolo / Burlando, Paolo
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02115 - Dep. Bau, Umwelt und Geomatik / Dep. of Civil, Env. and Geomatic Eng.::02608 - Institut für Umweltingenieurwiss. / Institute of Environmental Engineering::03473 - Burlando, Paolo / Burlando, Paolo
ethz.relation.isNewVersionOf
10.3929/ethz-b-000097258
ethz.date.deposited
2017-06-11T17:16:30Z
ethz.source
ECIT
ethz.identifier.importid
imp593653237e4d888507
ethz.ecitpid
pub:157698
ethz.eth
yes
en_US
ethz.availability
Open access
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ethz.rosetta.installDate
2017-07-13T15:10:12Z
ethz.rosetta.lastUpdated
2023-02-06T22:17:58Z
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true
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