Expires on: 04/23/2024
The Department of Meteorology at Stockholm University (MISU) conducts research and education spanning the atmosphere, ocean and physical climate sciences. We offer educational programmes at the Batchelors, Masters and PhD levels. Our research addresses fundamental questions concerning the dynamics, physics, chemistry and biogeochemistry of the atmosphere and ocean relevant for weather and climate. We study questions originating from the deep ocean to the upper atmosphere and from the tropics to the poles. In this effort, we use and develop theory, statistical methods, and numerical models in close interplay with observations. We also develop and lead observational research using satellite and surface-based measurements, including icebreaker expeditions to the Arctic.
In this project, we have a vision of further developing the so called Large Eddy Simulation (LES) technique for the atmospheric boundary layer, in particular for computationally complex problems, such as simulating the full diurnal cycle with both the night time and daytime turbulence well resolved. The focus for the PhD student will be on transport and mixing of scalars in the turbulent boundary layer, exchange at the surface as well as with the free atmosphere. We intend to examine all numerical aspects, and especially the lower boundary condition, with the aim of making the code efficient for exascale computing. The long-term goal is that the LES, besides the turbulence and transport of scalars, will be able to simulate clouds.