Recent Progress in Modelling Imbalance in the Atmosphere and Ocean
Physical Review Fluids
American Physical Society
MetadataShow full item record
Caulfield, C., Sutherland, B., Achatz, U., & Klymak, J. (2019). Recent Progress in Modelling Imbalance in the Atmosphere and Ocean. Physical Review Fluids, 4 (010501)https://doi.org/10.1103/PhysRevFluids.4.010501
Imbalance refers to the departure from the large-scale primarily vortical flows in the atmosphere and ocean whose motion is governed by a balance between Coriolis, pressure-gradient and buoyancy forces, and can be described approximately by quasi-geostrophic theory or similar balance models. Imbalanced motions are manifest either as fully nonlinear turbulence or as internal gravity waves which can extract energy from these geophysical flows but which can also feed energy back into the flows. Capturing the physics underlying these mechanisms is essential to understand how energy is transported from large geophysical scales ultimately to microscopic scales where it is dissipated. In the atmosphere it is also necessary for understanding momentum transport and its impact upon the mean wind and current speeds. During a February 2018 workshop at the Banff International Research Station (BIRS), atmospheric scientists, physical oceanographers, physicists and mathematicians gathered to discuss recent progress in understanding these processes through interpretation of observations, numerical simulations and mathematical modelling. The outcome of this meeting is reported upon here.
We also wish to thank BIRS for their financial support and, in particular, the staff of BIRS for their excellent administration of the workshop. The authors gratefully acknowledge financial support by the following agencies: Achatz, German Research Foundation (DFG) for partial support through the research unit Multiscale Dynamics of Gravity Waves (MS-GWaves) and through Grants No. AC 71/8-2, No. AC 71/9-2, No. AC 71/10-2, No. AC 71/11-2, and No. AC 71/12-2; Caulfield, EPSRC Programme Grant No. EP/K034529/1 entitled “Mathematical Underpinnings of Stratified Turbulence;” Klymak, US Office of Naval Research (No. N00014-15-1-2585) and Natural Science and Engineering Research Council (NSERC) Discovery Grant No. 327920-2006; and Sutherland, NSERC Discovery Grant No. RGPIN-2015-04758.
External DOI: https://doi.org/10.1103/PhysRevFluids.4.010501
This record's URL: https://www.repository.cam.ac.uk/handle/1810/288078