Inserting Tides and Topographic Wave Drag into High-resolution Eddying Simulations
NAVAL RESEARCH LAB STENNIS DETACHMENT STENNIS SPACE CENTER MS OCEANOGRAPHY DIV
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Tidal forcing has been inserted into eddy-resolving global simulations of the HYbrid Coordinate Ocean Model HYCOM. The tidal flows over realistic topography generate internal tides, i.e. internal waves at tidal frequencies. Similarly, geostrophic flows over rough topography generate internal lee waves. While it is not yet possible to resolve internal lee waves in global models, their impact can be parameterized. We have inserted parameterized topographic lee wave drag in global simulations that do not include tidal forcing.
- Physical and Dynamic Oceanography
- Fluid Mechanics