Special Issue "Modeling of Atmospheric Boundary Layers at Turbulence-Resolving Grid Spacings"
A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Biosphere/Hydrosphere/Land - Atmosphere Interactions".
Deadline for manuscript submissions: 28 February 2020.
Dr. Domingo Muñoz-Esparza
The atmospheric boundary layer (ABL) represents the lowest portion of the atmosphere, which is in direct contact with the Earth’s surface and where most of the activities impacting human lives take place. Advances in computational resources and computing technologies have recently begun to enable a more routine application of atmospheric models at turbulence-resolving grid spacings. There are, however, different approaches depending on the model’s grid spacing, which in turn dictates the turbulence closure. Beyond the mesoscale limit, traditional weather prediction models are being exercised at fine grid spacings that fall into the so-called ‘gray-zone’ of turbulence parameterization (~1 km < Δ < 100 m). This range of grid spacings requires scale-aware parameterizations that account for the nature of partially resolved turbulence and horizontal heterogeneity. On the high wavenumber end of the energy spectrum, large-eddy simulation (LES) models (Δ < 10 m) are used to explicitly represent production and part of the inertial range scales of three-dimensional turbulence. In this context, the application of the LES technique is no longer restricted to the classical idealized canonical scenarios and is experiencing a progressive transition toward large domain extents under heterogeneous forcing conditions that encompass part of the sub-meso and mesoscale spectrum. As a result, these methods are enabling unprecedented insight into complex ABL phenomena in realistic environments, yet imposing new modeling challenges. With this Special Issue, we aim to highlight recent progress in ABL modeling at turbulence-resolving scales, from new developments and methods to practical applications.
Articles on all aspects concerning turbulence-resolving modeling of ABLs are welcome, including but not restricted to the following areas:
- LES forecasting;
- Coupling of mesoscale and LES models;
- Mesoscale modeling at under-resolved convection scales;
- Gray-zone parameterizations;
- Wildland fire phenomena;
- Urban flows and pollutant dispersion;
- Accelerated atmospheric models;
- Fundamental turbulence phenomena;
- Turbulence forecasts and UAVs;
- Wind turbines and farms;
- Complex terrain flows;
- Wind-wave coupling for offshore ABLs;
- Data assimilation techniques;
- Stratified ABLs;
- Boundary layer clouds.
Dr. Domingo Muñoz-Esparza
Dr. Jeremy Sauer
Dr. Hyeyum (Hailey) Shin
Manuscript Submission Information
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