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Title: Challenges to link climate change data provision and user needs - perspective from the COST-action VALUE
Authors: Rössler, Ole 
Fischer, Anton M. 
Huebener, Heike 
Maraun, Douglas 
Benestad, Rasmus E. 
Christodoulides, Paul 
Soares, Pedro M.M. 
Cardoso, Rita M. 
Pagé, Christian David 
Kanamaru, Hideki 
Kreienkamp, Frank 
Vlachogiannis, Diamando 
Major Field of Science: Engineering and Technology
Field Category: Electrical Engineering - Electronic Engineering - Information Engineering
Keywords: Climate change;Climate services;Downscaling;User needs;VALUE
Issue Date: 9-Jul-2019
Source: International Journal of Climatology, 2019, vol. 39, no. 9, pp. 3704-3716
Volume: 39
Issue: 9
Start page: 3704
End page: 3716
Journal: International Journal of Climatology 
Abstract: The application of climate change impact assessment (CCIA) studies in general and especially the linkages between different actor groups typically involved is often not trivial and subject to many limitations and uncertainties. Disciplinary issues like competing downscaling approaches, imperfect climate and impact model data and uncertainty propagation as well as the selection of appropriate data sets are only one part of the story. Interdisciplinary and transdisciplinary challenges add to these, as climate data and impact model data provision and their usage require at least a minimum of common work and shared understanding among actors. Here, we provide the VALUE perspective on current disciplinary challenges and limitations at the downscaling interface and elaborate transdisciplinary issues that hamper a proper working downscaling interface. The perspective is partly based on a survey on user needs of downscaled data that was distributed among 62 participants across Europe involving 22 sectors. Partly, it is based on the exchanges and experiences gained during the lifetime of VALUE that brought together different actor groups of different disciplines: climate modellers, impact modellers, statisticians and stakeholders. We outline a sketch that summarizes the linkages between the main identified actor groups: climate model data providers, impact modellers and societal users. We summarize review and structure current actors groups, needs and issues. We argue that this structuring enables involved actors to tackle these issues in a more organized and hence effective way. A key solution to several difficulties at the downscaling interface is to our understanding the development of guidelines based on benchmark tests like the VALUE framework. In addition, fostering communication between actor groups - and financing this communication - is essential to obtain the best possible CCIA as a prerequisite for robust adaptation.
ISSN: 0899-8418
DOI: 10.1002/joc.5060
Rights: © Royal Meteorological Society
Type: Article
Affiliation : Universitat Bern 
Federal Office of Meteorology and Climatology MeteoSwiss 
Hessian Agency for Nature Conservation 
University of Graz 
The Norwegian Meteorological Institute 
Cyprus University of Technology 
Faculdade de Ciencias 
Centre National de la Recherche Scientifique 
Food and Agriculture Organization of the United Nations 
Universidade de Lisboa 
National Centre for Scientific Research Demokritos 
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