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dc.contributor.author
Davin, Edouard Léopold
dc.contributor.author
Maisonnave, Eric
dc.contributor.author
Seneviratne, Sonia I.
dc.date.accessioned
2018-04-06T12:25:00Z
dc.date.available
2017-06-12T08:45:51Z
dc.date.available
2018-04-06T12:25:00Z
dc.date.issued
2016-07
dc.identifier.issn
1748-9326
dc.identifier.issn
1748-9318
dc.identifier.other
10.1088/1748-9326/11/7/074027
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/118163
dc.identifier.doi
10.3929/ethz-b-000118163
dc.description.abstract
The representation of land surface processes and fluxes in climate models critically affects the simulation of near-surface climate over land. Here we present an evaluation of COSMO-CLM2, a model which couples the COSMO-CLM Regional Climate Model to the Community Land Model (CLM4.0). CLM4.0 provides a more detailed representation of land processes compared to the native land surface scheme in COSMO-CLM. We perform historical reanalysis-driven simulations over Europe with COSMO-CLM2 following the EURO-CORDEX intercomparison protocol. We then evaluate simulations performed with COSMO-CLM2, the standard COSMO-CLM and other EURO-CORDEX RCMs against various observational datasets of temperature, precipitation and surface fluxes. Overall, the results indicate that COSMO-CLM2 outperforms both the standard COSMO-CLM and the other EURO-CORDEX models in simulating sensible, latent and surface radiative fluxes as well as 2-meter temperature across different seasons and regions. The performance improvement is particularly strong for turbulent fluxes and for daily maximum temperatures and more modest for daily minimum temperature, suggesting that land surface processes affect daytime even more than nighttime conditions. COSMO-CLM2 also alleviates a long-standing issue of overestimation of interannual summer temperature variability present in most EURO-CORDEX RCMs. Finally, we show that several factors contribute to these improvements, including the representation of evapotranspiration, radiative fluxes and ground heat flux. Overall, these results demonstrate that land processes represent a key area of development to tackle current deficiencies in RCMs.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
IOP Publishing
dc.rights.uri
http://creativecommons.org/licenses/by/3.0/
dc.subject
Regional climate model
en_US
dc.subject
Land surface model
en_US
dc.subject
EURO-CORDEX
en_US
dc.subject
Land processes
en_US
dc.subject
COSMO-CLM 2
en_US
dc.title
Is land surface processes representation a possible weak link in current Regional Climate Models?
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 3.0 Unported
dc.date.published
2016-07-20
ethz.journal.title
Environmental Research Letters
ethz.journal.volume
11
en_US
ethz.journal.issue
7
en_US
ethz.journal.abbreviated
Environ. Res. Lett.
ethz.pages.start
074027
en_US
ethz.size
9 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.identifier.nebis
005253059
ethz.publication.place
Bristol
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02717 - Institut für Atmosphäre und Klima / Inst. Atmospheric and Climate Science::03778 - Seneviratne, Sonia / Seneviratne, Sonia
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02717 - Institut für Atmosphäre und Klima / Inst. Atmospheric and Climate Science::03778 - Seneviratne, Sonia / Seneviratne, Sonia
ethz.date.deposited
2017-06-12T08:49:16Z
ethz.source
ECIT
ethz.identifier.importid
imp593654879b99a24989
ethz.ecitpid
pub:180108
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-14T20:18:12Z
ethz.rosetta.lastUpdated
2024-02-02T04:22:03Z
ethz.rosetta.versionExported
true
ethz.COinS
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