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RISA Framework for Mesoscale Eddy Parameterization Based on Density-Weighted Averaging at Fixed Height
Publisher: American Meteorological Society
Abstract: A framework for mesoscale eddy parameterization based on density-weighted averaging at fixed height is developed. The method uses the fully non-Boussinesq equations of motion and is connected to the equations carried by ...
On the Response of the Ocean to a Moving Storm: Parameters and Scales
Publisher: American Meteorological Society
Abstract: This paper has two purposes: One is to present a new and efficient multilevel numerical model for calculating the response of the ocean to a moving storm; the second is to show how, on a time scale of a few inertial periods ...
Exploring the Relationship between Eddy-Induced Transport Velocity, Vertical Momentum Transfer, and the Isopycnal Flux of Potential Vorticity
Publisher: American Meteorological Society
Abstract: Gent et al. have emphasized the role of the eddy-induced transport (or bolus) velocity as a mechanism for redistributing tracers in the ocean. By writing the momentum equations in terms of the isopycnal flux of potential ...
On the Response of the Ocean to a Moving Storm: The Nonlinear Dynamics
Publisher: American Meteorological Society
Abstract: A novel and efficient numerical method is used to investigate the nonlinear equations of motion for the upper layer of a two-layer ocean in which the lower layer is infinitely deep and at rest. The efficiency is achieved ...
Evolution of the Atlantic Multidecadal Variability in a Model with an Improved North Atlantic Current
Publisher: American Meteorological Society
Abstract: AbstractThis article investigates the dynamics and temporal evolution of the Atlantic multidecadal variability (AMV) in a coupled climate model. The model contains a correction to the North Atlantic flow field to improve ...
The Relationship between Northern Hemisphere Winter Blocking and Tropical Modes of Variability
Publisher: American Meteorological Society
Abstract: AbstractIn the present study, the influence of some major tropical modes of variability on Northern Hemisphere regional blocking frequency variability during boreal winter is investigated. Reanalysis data and an ensemble ...
The Vertical Structure of the Surface Wave Radiation Stress for Circulation over a Sloping Bottom as Given by Thickness-Weighted-Mean Theory
Publisher: American Meteorological Society
Abstract: revious attempts to derive the depth-dependent expression of the radiation stress have led to a debate concerning (i) the applicability of the Mellor approach to a sloping bottom, (ii) the introduction of the delta function ...
A New Expression for the Form Stress Term in the Vertically Lagrangian Mean Framework for the Effect of Surface Waves on the Upper-Ocean Circulation
Publisher: American Meteorological Society
Abstract: here is an ongoing discussion in the community concerning the wave-averaged momentum equations in the hybrid vertically Lagrangian and horizontally Eulerian (VL) framework and, in particular, the form stress term (representing ...
Thickness-Weighted Mean Theory for the Effect of Surface Gravity Waves on Mean Flows in the Upper Ocean
Publisher: American Meteorological Society
Abstract: he residual effect of surface gravity waves on mean flows in the upper ocean is investigated using thickness-weighted mean (TWM) theory applied in a vertically Lagrangian and horizontally Eulerian coordinate system. ...