Water cycle processes and land-atmosphere interactions in multi-scale regional climate change simulations with the WRF atmospheric model over Europe in the context of the WCRP Euro-CORDEX initiative, Report 4

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Titles:Main Title: Water cycle processes and land-atmosphere interactions in multi-scale regional climate change simulations with the WRF atmospheric model over Europe in the context of the WCRP Euro-CORDEX initiative, Report 4
Subtitle: Added value in convection-permitting WRF climate simulations for central Europe
Description:Abstract: High-resolution regional climate models with a more detailed representation of heterogeneous land surface properties, as well as an explicit treatment of deep convection can lead to an improved simulation of the climate system at the local scale. Added value is found especially at the sub-daily scale in the reproduction of intensity, diurnal cycle and spatial extent of precipitation. In this study, results from 10 years of convection-permitting WRF hindcast simulations at 3 km spatial resolution for a central European model domain are analyzed. The 3 km-resolved domain is nested into the pan-European Coordinated Regional Downscaling Experiment (CORDEX) EUR-11 (12 km) model grid, driven by ERA-Interim reanalysis data. The simulated time spans (1992-1995, 2002-2003, 2010-2013) cover much of the variability of central European weather conditions. Results from both resolutions are compared with each other and evaluated against high-resolution reanalysis data and gridded observations. Hourly precipitation data over three regions with a very moderate, low mountain and high mountain topography are compared. For different seasons precipitation exhibits clear differences between the simulations. Statistics of the 3 km simulations show an added value in the reproduction of extremes. Largest differences occur during the summer months, when convective precipitation is dominant.
Citation Advice:Knist, K., 2014.Water cycle processes and land-atmosphere interactions in multi-scale regional climate change simulations with the WRF atmospheric model over Europe in the context of the WCRP Euro-CORDEX initiative. 4th PhD Report, Meteorological Institute, University of Bonn, Germany, Bonn, Germany.
Responsible Party
Creator:Sebastian Knist (Author)
Publisher:CRC/TR32 Database (TR32DB)
Publication Year:2015
Topic
TR32 Topic:Atmosphere
Related Subproject:C4
Subject:Keyword: PhD Report
File Details
Filename:Report4_Knist_2015.pdf
Data Type:Text - Text
File Size:1.5 MB
Date:Available: 21.06.2015
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
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Download Permission:Only Project Members
General Access and Use Conditions:For internal use only.
Access Limitations:For internal use only.
Licence:[TR32DB] Data policy agreement
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Specific Information - Report
Report Date:21st of June, 2015
Report Type:PhD Report
Report City:Bonn, Germany
Report Institution:Meteorological Institute, University of Bonn, Germany
Metadata Details
Metadata Creator:Sebastian Knist
Metadata Created:12.08.2015
Metadata Last Updated:12.08.2015
Subproject:C4
Funding Phase:3
Metadata Language:English
Metadata Version:V50
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