Land-atmosphere coupling in EURO-CORDEX evaluation experiments

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Title:Main Title: Land-atmosphere coupling in EURO-CORDEX evaluation experiments
Description:Abstract: Interactions between the land surface and the atmosphere play a fundamental role in theweather and climate system. Here we present a comparison of summertime land-atmosphere coupling strength found in a subset of the ERA-Interim-driven European domain Coordinated Regional ClimateDownscaling Experiment (EURO-CORDEX) model ensemble (1989–2008). Most of the regional climate models (RCMs) reproduce the overall soilmoisture interannual variability, spatial patterns, and annual cycles of surface exchange fluxes for the different European climate zones suggested by the observational Global Land Evaporation Amsterdam Model (GLEAM) and FLUXNET data sets. However, some RCMs differ substantially from FLUXNET observations for some regions. The coupling strength is quantified by the correlation between the surface sensible and the latent heat flux, and by the correlation between the latent heat flux and 2m temperature. The first correlation is compared to its estimate from the few available long-term European high-quality FLUXNET observations, and the latter to results from gridded GLEAM data. The RCM simulations agree with both observational datasets in the large-scale pattern characterized by strong coupling in southern Europe andweak coupling in northern Europe.However, in the transition zone fromstrong toweak coupling covering large parts of central Europe many of the RCMs tend to overestimate the coupling strength in comparison to both FLUXNET and GLEAM. The RCM ensemble spread is caused primarily by the different land surface models applied, and by themodel-specific weather conditions resulting fromdifferent atmospheric parameterizations.
Identifier:10.1002/2016JD025476 (DOI)
Citation Advice:Knist, S., et al. (2016), Land-atmosphere coupling in EURO-CORDEX evaluation experiments, J. Geophys. Res. Atmos., 122, doi:10.1002/2016JD025476
Responsible Party
Creators:Sebastian Knist (Author), Klaus Goergen (Author), Erasmo Buonomo (Author), Ole Bøssing Christensen (Author), Augustin Colette (Author), Rita M. Cardoso (Author), Rowan Fealy (Author), Jesus Fernandez (Author), Markel García-Díez (Author), Daniela Jacob (Author), Stergios Kartsios (Author), Eleni Katragkou (Author), Klaus Keuler (Author), Stephanie Mayer (Author), Erik van Meijgaard (Author), Grigory Nikulin (Author), Pedro M.M. Soares (Author), Stefan Sobolowski (Author), Gabriella Szepszo (Author), Claas Teichmann (Author), Robert Vautard (Author), Kirsten Warrach-Sagi (Author), Volker Wulfmeyer (Author), Clemens Simmer (Author)
Publisher:Jülich Supercomputing Centre, Research Centre Jülich, Jülich, Germany
Publication Year:2018
Topic
TR32 Topic:Atmosphere
Related Subproject:C4
Subject:Keyword: Atmosphere–Land Interaction
File Details
Filename:Knist_et_al_2017_JGR_Atmospheres.pdf
Data Type:Text - Article
File Size:6.6 MB
Date:Accepted: 03.12.2016
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
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Download Permission:Free
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Licence:[TR32DB] Data policy agreement
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Publication Status:Published
Review Status:Not peer reviewed
Publication Type:Article
Article Type:Journal
Source:J. Geophys. Res. Atmos., 122, doi:10.1002/2016JD025476
Number of Pages:25 (79 - 103)
Metadata Details
Metadata Creator:Sebastian Knist
Metadata Created:08.03.2018
Metadata Last Updated:08.03.2018
Subproject:C4
Funding Phase:3
Metadata Language:English
Metadata Version:V50
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