TR32-Database: Database of Transregio 32

[1176] - 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 3

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Citation
Knist, S., 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, Report 3. PhD Report, Meteorological Institute, University of Bonn, Germany, Bonn, Germany. Accessed from http://www.tr32db.uni-koeln.de/data.php?dataID=1176 at 2017-08-21.
Identification
Title(s):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 3
Subtitle: Land atmosphere coupling in Euro-CORDEX validation runs
Description(s):Abstract: Interactions between the land surface and the atmosphere play a fundamental role in the weather and climate system since it highly influences the energy and water cycle. This study investigates summertime land-atmosphere coupling strength in a 15 member subset of the ERA-Interim driven Euro-CORDEX hindcast ensemble (1989-2008) including a validation of the coupling related variables soil moisture and surface energy fluxes of latent (LE) and sensible heat (H). Both for soil moisture and surface fluxes most of the regional climate models (RCM) are able to reproduce reasonable values for the different European climate zones. But also differences for some regions and models are identified, also compared to the FLUXNET surface flux measurements as observational reference. For quantifying coupling strength the H-LE-correlation method has been confirmed as useful and valid for the comparison of different RCMs. One main advantage is the application to standard RCM output variables (H, LE) as well as observations, although long time series of high quality flux measurement data is needed, which is sparse for many regions. For the JJA summer seasons of the 20 years hindcast time period the Euro-CORDEX simulations agree in the large scale patterns, with strong coupling in Southern Europe and weak coupling in Northern Europe, also in agreement with the FLUXNET observations. But also diversity is seen in the ensemble regarding large parts of Central Europe and the model’s coupling strength in general. Compared to the FLUXNET measurements more models tend to overestimate than underestimate coupling strength. Higher model resolution leads to more small scale heterogeneity but not necessarily to a change in the large scale patterns. Diversity in the ensemble can be both explained by the different characteristics of the individual land surface model (LSM) as well as different climate conditions in the models.
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. 3rd PhD Report, Meteorological Institute, University of Bonn, Germany, Bonn, Germany.
Responsible Party
Creator(s):Author: Sebastian Knist
Publisher:CRC/TR32 Database (TR32DB)
Topic
TR32 Topic:Atmosphere
Related Sub-project(s):C4
Subject(s):CRC/TR32 Keywords: PhD Report
File Details
File Name:Report3_Knist_2014.pdf
Data Type:Text
File Size:3930 kB (3.838 MB)
Date(s):Available: 2014-12-20
Mime Type:application/pdf
Data Format:PDF
Language:English
Status:Completed
Constraints
Download Permission:OnlyTR32
General Access and Use Conditions:For internal use only.
Access Limitations:For internal use only.
Licence:TR32DB Data policy agreement
Geographic
North:-no map data
East:-
South:-
West:-
Measurement Region:None
Measurement Location:--None--
Specific Informations - Report
Report Date:20th of December, 2014
Report Type:PhD Report
Report City:Bonn, Germany
Report Institution:Meteorological Institute, University of Bonn, Germany
Metadata Details
Metadata Creator:Sebastian Knist
Metadata Created:2015-08-12
Metadata Last Updated:2015-08-12
Subproject:C4
Funding Phase:2
Metadata Language:English
Metadata Version:V40
Dataset Metrics
Page Visits:121
Metadata Downloads:0
Dataset Downloads:0
Dataset Activity
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