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The Relationship between Flux Coefficient and Entrainment Ratio in Density Currents
Publisher: American Meteorological Society
Abstract: The authors explore the theoretical and empirical relationship between the nonlocal quantities of the entrainment ratio E, the appropriately depth- and time-averaged flux coefficient Γ, and the bulk Froude number Fro in ...
Internal Gravity Wave Generation and Hydrodynamic Instability
Publisher: American Meteorological Society
Abstract: Two mechanisms are proposed whereby internal gravity waves (IGW) may radiate from a linearly unstable region of Boussinesq parallel flow that is characterized in the far field by constant horizontal velocity and Brunt-Väisälä ...
Seismic Imaging of Rapid Onset of Stratified Turbulence in the South Atlantic Ocean
Publisher: American Meteorological Society
Abstract: roadband measurements of the internal wavefield will help to unlock an understanding of the energy cascade within the oceanic realm. However, there are challenges in acquiring observations with sufficient spatial resolution, ...
Estimating Geostrophic Shear from Seismic Images of Oceanic Structure
Publisher: American Meteorological Society
Abstract: t is shown that geostrophic vertical shear estimates can be recovered from seismic (i.e., acoustic) images of thermohaline structure. In the Southern Ocean, the Antarctic Circumpolar Current forms a loop within the Falkland ...
Spatiotemporal Characteristics of the Near-Surface Turbulent Cascade at the Submesoscale in the Drake Passage
Publisher: American Meteorological Society