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Jordi Vilà-Guerau de Arellano

The current understanding of the influence of atmospheric turbulence on chemical reactions is briefly reviewed. The fundamentals of this influence and the consequences for the transport and mixing of the reactants are discussed. A classification of the turbulent reacting flows is proposed in terms of the values of dimensionless numbers. These numbers depend on the characteristic timescale of the dynamics and the chemistry.

The main findings obtained by modeling studies of various atmospheric boundary layer flows and chemical mechanisms, in particular the ones done by means of the large eddy simulation technique, are summarized. Based on the conclusions of these studies, the need to carry out intensive and comprehensive atmospheric field campaigns and laboratory experiments to corroborate the numerical results is discussed. Specific open questions are posed to improve, by combining observational experiments and modeling, our knowledge of the role played by physical processes on the transformations of reactive species in the atmospheric boundary layer.

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Gert-Jan Steeneveld and Jordi Vilà-Guerau de Arellano


Numerical weather prediction models have become widespread tools that are accessible to a variety of communities, ranging from academia and the national meteorological services to commercial weather providers, wind and solar energy industries, and air quality modelers. Mesoscale meteorological models that are used to refine relatively coarse global weather forecasts to finer atmospheric scales have become mainstream. The wide use of mesoscale meteorological models also generates new requirements in undergraduate education concerning the knowledge and application of these models. In this paper, we present teaching strategies, course outcomes, student activities, impacts, and reflections on the possible future direction of the graduate-level atmospheric modeling course using the Weather Research and Forecasting (WRF) Model at Wageningen University, the Netherlands. This information is based on 15 years of experience in teaching the course and the continuous implementation of new educational techniques to adapt to students’ needs and improve their chances in their academic careers and the atmospheric sciences job market.

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Pedro A. Jimenez, Jordi Vila-Guerau de Arellano, Jorge Navarro, and J. Fidel Gonzalez-Rouco
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