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The ACCENT-Protocol: A framework for benchmarking and model

Grewe, Volker and Moussiopoulos, N. and Builtjes, P. and Borrego, C. and Isaksen, I.S.A. and Volz-Thomas, A. (2012) The ACCENT-Protocol: A framework for benchmarking and model. Geoscientific Model Development, 5, pp. 611-618. DOI: 10.5194/gmd-5-611-2012.

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We summarise results from a workshop on "Model Benchmarking and Quality Assurance" of the EU-Network of Excellence ACCENT, including results from other activities (e.g. COST Action 732) and publications. A formalised evaluation protocol is presented, i.e. a generic formalism describing the procedure of how to perform a model evaluation. This includes eight steps and examples from global model applications which are given for illustration. The first and important step is concerning the purpose of the model application, i.e. the addressed underlying scientific or political question. We give examples to demonstrate that there is no model evaluation per se, i.e. without a focused purpose. Model evaluation is testing, whether a model is fit for its purpose. The following steps are deduced from the purpose and include model requirements, input data, key processes and quantities, benchmark data, quality indicators, sensitivities, as well as benchmarking and grading. We define "benchmarking" as the process of comparing the model output against either observational data or high fidelity model data, i.e. benchmark data. Special focus is given to the uncertainties, e.g. in observational data, which have the potential to lead to wrong conclusions in the model evaluation if not considered carefully.

Document Type:Article
Title:The ACCENT-Protocol: A framework for benchmarking and model
AuthorsInstitution or Email of Authors
Grewe, VolkerVolker.Grewe@dlr.de
Moussiopoulos, N.Aristotle Univ. Thessaloniki, Thessaloniki, GR
Builtjes, P.TNO Environment and Geosciences, Utrecht, NL
Borrego, C.Univ. of Aveiro, P
Isaksen, I.S.A.CICERO, Oslo, N
Volz-Thomas, A.FZ Jülich
Date:11 May 2012
Journal or Publication Title:Geoscientific Model Development
Refereed publication:Yes
In Open Access:Yes
In ISI Web of Science:Yes
Page Range:pp. 611-618
Keywords:Evaluation, benchmark tests, ACCENT
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport, Space, Aeronautics
HGF - Program Themes:Transport System, Earth Observation, ATM and Operation
DLR - Research area:Transport, Raumfahrt, Aeronautics
DLR - Program:V VS - Verkehrssystem, R EO - Erdbeobachtung, L AO - Air Traffic Management and Operation
DLR - Research theme (Project):V - Projekt Verkehrsentwicklung und Umwelt, R - Vorhaben Atmosphären- und Klimaforschung, L - Climate, Weather and Environment
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Atmospheric Dynamics
Deposited By: Dr.rer.nat. Volker Grewe
Deposited On:22 May 2012 11:25
Last Modified:12 Dec 2013 21:39

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