Explore the words cloud of the COAT project. It provides you a very rough idea of what is the project "COAT" about.
The following table provides information about the project.
Coordinator |
TECHNISCHE UNIVERSITEIT DELFT
Organization address contact info |
Coordinator Country | Netherlands [NL] |
Total cost | 1˙659˙580 € |
EC max contribution | 1˙659˙580 € (100%) |
Programme |
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC)) |
Code Call | ERC-2014-CoG |
Funding Scheme | ERC-COG |
Starting year | 2016 |
Duration (year-month-day) | from 2016-01-01 to 2020-12-31 |
Take a look of project's partnership.
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1 | TECHNISCHE UNIVERSITEIT DELFT | NL (DELFT) | coordinator | 1˙659˙580.00 |
This project aims to predict the cessation of continuous turbulence in the evening boundary layer. The interaction between the lower atmosphere and the surface is studied in detail, as this plays a crucial role in the dynamics. Present generation forecasting models are incapable to predict whether or not turbulence will survive or collapse under cold conditions. In nature, both situations frequently occur and lead to completely different temperature signatures. As such, significant forecast errors are made, particularly in arctic regions and winter conditions. Therefore, prediction of turbulence collapse is highly relevant for weather and climate prediction. Key innovation lies in our hypothesis. The collapse of turbulence is explained from a maximum sustainable heat flux hypothesis which foresees in an enforcing positive feedback between the atmosphere and the underlying surface. A comprehensive theory for the transition between the main two nocturnal regimes would be ground-breaking in meteorological literature. We propose an integrated approach, which combines in-depth theoretical work, simulation with models of various hierarchy (DNS, LES, RANS), and observational analysis. Such comprehensive methodology is new with respect to the problem at hand. An innovative element is the usage of Direct Numerical Simulation in combination with dynamical surface interactions. This advanced technique fully resolves turbulent motions up to their smallest scale without the need to rely on subgrid closure assumptions. From a 10-year dataset (200m mast at Cabauw, Netherlands) nights are classified according to their turbulence characteristics. Multi-night composites are used as benchmark-cases to guide realistic numerical modelling. In the validation phase, generality of the results with respect to both climate and surface characteristics is assessed by comparison with the FLUXNET data-consortium, which operates on a long-term basis over 240 sites across the globe.
year | authors and title | journal | last update |
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2018 |
J. Antoon van Hooft, Stéphane Popinet, Bas J. H. van de Wiel Adaptive Cartesian meshes for atmospheric single-column models: a study using Basilisk 18-02-16 published pages: 4727-4738, ISSN: 1991-9603, DOI: 10.5194/gmd-11-4727-2018 |
Geoscientific Model Development 11/12 | 2019-06-07 |
2018 |
J. Antoon van Hooft, Stéphane Popinet, Chiel C. van Heerwaarden, Steven J. A. van der Linden, Stephan R. de Roode, Bas J. H. van de Wiel Towards Adaptive Grids for Atmospheric Boundary-Layer Simulations published pages: 421-443, ISSN: 0006-8314, DOI: 10.1007/s10546-018-0335-9 |
Boundary-Layer Meteorology 167/3 | 2019-06-07 |
2018 |
P. Baas, B. J. H. van de Wiel, S. J. A. van der Linden, F. C. Bosveld From Near-Neutral to Strongly Stratified: Adequately Modelling the Clear-Sky Nocturnal Boundary Layer at Cabauw published pages: 217-238, ISSN: 0006-8314, DOI: 10.1007/s10546-017-0304-8 |
Boundary-Layer Meteorology 166/2 | 2019-06-07 |
2017 |
Etienne Vignon, Frédéric Hourdin, Christophe Genthon, Hubert Gallée, Eric Bazile, Marie-Pierre Lefebvre, Jean-Baptiste Madeleine, Bas J. H. Van de Wiel Antarctic boundary layer parametrization in a general circulation model: 1-D simulations facing summer observations at Dome C published pages: 6818-6843, ISSN: 2169-897X, DOI: 10.1002/2017JD026802 |
Journal of Geophysical Research: Atmospheres 122/13 | 2019-06-06 |
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