Search Results - "van Stratum, Bart"
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MicroHH 1.0: a computational fluid dynamics code for direct numerical simulation and large-eddy simulation of atmospheric boundary layer flows
Published in Geoscientific Model Development (28-08-2017)“…This paper describes MicroHH 1.0, a new and open-source (www.microhh.org) computational fluid dynamics code for the simulation of turbulent flows in the…”
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Intercomparison of Large-Eddy Simulations of the Antarctic Boundary Layer for Very Stable Stratification
Published in Boundary-layer meteorology (01-09-2020)“…In polar regions, where the boundary layer is often stably stratified, atmospheric models produce large biases depending on the boundary-layer parametrizations…”
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Advancing understanding of land–atmosphere interactions by breaking discipline and scale barriers
Published in Annals of the New York Academy of Sciences (01-04-2023)“…Vegetation and atmosphere processes are coupled through a myriad of interactions linking plant transpiration, carbon dioxide assimilation, turbulent transport…”
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The impact of coupled 3D shortwave radiative transfer on surface radiation and cumulus clouds over land
Published in Atmospheric chemistry and physics (23-09-2024)“…Radiative transfer is a 3D process, but most atmospheric models consider radiation only in the vertical direction for computational efficiency. This results in…”
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The influence of misrepresenting the nocturnal boundary layer on idealized daytime convection in large‐eddy simulation
Published in Journal of advances in modeling earth systems (01-06-2015)“…The influence of poorly resolving mixing processes in the nocturnal boundary layer (NBL) on the development of the convective boundary layer the following day…”
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The Time Scale of Shallow Convective Self‐Aggregation in Large‐Eddy Simulations Is Sensitive to Numerics
Published in Journal of advances in modeling earth systems (01-01-2023)“…Numerical simulations of the tropical mesoscales often exhibit a self‐reinforcing feedback between cumulus convection and shallow circulations, which leads to…”
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An Efficient Parameterization for Surface Shortwave 3D Radiative Effects in Large‐Eddy Simulations of Shallow Cumulus Clouds
Published in Journal of advances in modeling earth systems (01-01-2023)“…Most atmospheric models consider radiative transfer only in the vertical direction (1D), as 3D radiative transfer calculations are too costly. Thereby,…”
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Evaluating NOx stack plume emissions using a high-resolution atmospheric chemistry model and satellite-derived NO2 columns
Published in Atmospheric chemistry and physics (22-07-2024)“…This paper presents large-eddy simulations with atmospheric chemistry of four large point sources world-wide, focusing on the evaluation of NOx (NO + NO2)…”
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Technical note: Interpretation of field observations of point-source methane plume using observation-driven large-eddy simulations
Published in Atmospheric chemistry and physics (19-05-2022)“…This study demonstrates the ability of large-eddy simulation (LES) forced by a large-scale model to reproduce plume dispersion in an actual field campaign. Our…”
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Analyzing nitrogen dioxide to nitrogen oxide scaling factors for data-driven satellite-based emission estimation methods: A case study of Matimba/Medupi power stations in South Africa
Published in Atmospheric pollution research (01-07-2024)“…In this paper, we propose improved nitrogen dioxide (NO2) to nitrogen oxide (NOx) scaling factors for several data-driven methods that are used for the…”
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Reconciling Observations of Solar Irradiance Variability With Cloud Size Distributions
Published in Journal of geophysical research. Atmospheres (16-03-2023)“…Clouds cast shadows on the surface and locally enhance solar irradiance by absorbing and scattering sunlight, resulting in fast and large solar irradiance…”
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A One‐Year‐Long Evaluation of a Wind‐Farm Parameterization in HARMONIE‐AROME
Published in Journal of advances in modeling earth systems (01-07-2022)“…The need to mitigate climate change will boost the demand for renewable energy and lead to more wind turbines both on‐ and offshore. In the near future, the…”
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Assessing the representativity of NH3 measurements influenced by boundary-layer dynamics and the turbulent dispersion of a nearby emission source
Published in Atmospheric chemistry and physics (27-06-2022)“…This study presents a fine-scale simulation approach to assess the representativity of ammonia (NH3) measurements in the proximity of an emission source. Close…”
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Reconciling observations of solar irradiance variability with cloud size distributions
Published 10-01-2023“…Clouds cast shadows on the surface and locally enhance solar irradiance by absorbing and scattering sunlight, resulting in fast and large solar irradiance…”
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Evaluating NO x stack plume emissions using a high-resolution atmospheric chemistry model and satellite-derived NO 2 columns
Published in Atmospheric chemistry and physics (22-07-2024)“…This paper presents large-eddy simulations with atmospheric chemistry of four large point sources world-wide, focusing on the evaluation of NOx (NO + NO2)…”
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Evaluating NO.sub.x stack plume emissions using a high-resolution atmospheric chemistry model and satellite-derived NO.sub.2 columns
Published in Atmospheric chemistry and physics (22-07-2024)“…This paper presents large-eddy simulations with atmospheric chemistry of four large point sources world-wide, focusing on the evaluation of NO.sub.x (NO +…”
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Assessing the representativity of NH.sub.3 measurements influenced by boundary-layer dynamics and the turbulent dispersion of a nearby emission source
Published in Atmospheric chemistry and physics (27-06-2022)“…This study presents a fine-scale simulation approach to assess the representativity of ammonia (NH.sub.3) measurements in the proximity of an emission source…”
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Assessing the representativity of NH 3 measurements influenced by boundary-layer dynamics and the turbulent dispersion of a nearby emission source
Published in Atmospheric chemistry and physics (27-06-2022)“…This study presents a fine-scale simulation approach to assess the representativity of ammonia (NH3) measurements in the proximity of an emission source. Close…”
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Shallow cumulus convection over land in cloud-resolving simulations with a coupled ray tracer
Published 21-09-2022“…We present simulations of cumulus convection over land with shortwave radiation computed by a Monte Carlo ray tracer coupled to the flow solver. Ray tracing…”
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