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RISThe Gent–McWilliams Skew Flux
Publisher: American Meteorological Society
Abstract: This paper formulates tracer stirring arising from the Gent?McWilliams (GM) eddy-induced transport in terms of a skew-diffusive flux. A skew-diffusive tracer flux is directed normal to the tracer gradient, which is in ...
Impacts of Parameterized Langmuir Turbulence and Nonbreaking Wave Mixing in Global Climate Simulations
Publisher: American Meteorological Society
Abstract: he impacts of parameterized upper-ocean wave mixing on global climate simulations are assessed through modification to Large et al.?s K-profile ocean boundary layer parameterization (KPP) in a coupled atmosphere?ocean?wave ...
A Conceptual Framework for Predictability Studies
Publisher: American Meteorological Society
Abstract: A conceptual framework is presented for a unified treatment of issues arising in a variety of predictability studies. The predictive power (PP), a predictability measure based on information?theoretical principles, lies ...
A Linear Thermohaline Oscillator Driven by Stochastic Atmospheric Forcing
Publisher: American Meteorological Society
Abstract: The interdecadal variability of a stochastically forced four-box model of the oceanic meridional thermohaline circulation (THC) is described and compared to the THC variability in the coupled ocean?atmosphere GCM of Delworth, ...
On the Discrete Normal Modes of Quasigeostrophic Theory
Publisher: American Meteorological Society
Biharmonic Friction with a Smagorinsky-Like Viscosity for Use in Large-Scale Eddy-Permitting Ocean Models
Publisher: American Meteorological Society
Abstract: This paper discusses a numerical closure, motivated from the ideas of Smagorinsky, for use with a biharmonic operator. The result is a highly scale-selective, state-dependent friction operator for use in eddy-permitting ...
Spatial Variability of Sea Level Rise in Twenty-First Century Projections
Publisher: American Meteorological Society
Abstract: A set of state-of-the-science climate models are used to investigate global sea level rise (SLR) patterns induced by ocean dynamics in twenty-first-century climate projections. The identified robust features include bipolar ...
On Geometrical Aspects of Interior Ocean Mixing
Publisher: American Meteorological Society
Abstract: he small-slope approximation to the full three-dimensional diffusion tensor of epineutral diffusion gives exactly the same tracer flux as the commonly used projected nonorthogonal diffusive flux of layered ocean models and ...
Tracer Conservation with an Explicit Free Surface Method for z-Coordinate Ocean Models
Publisher: American Meteorological Society
Abstract: This paper details a free surface method using an explicit time stepping scheme for use in z-coordinate ocean models. One key property that makes the method especially suitable for climate simulations is its very stable ...
Spurious Diapycnal Mixing Associated with Advection in a z-Coordinate Ocean Model
Publisher: American Meteorological Society
Abstract: This paper discusses spurious diapycnal mixing associated with the transport of density in a z-coordinate ocean model. A general method, based on the work of Winters and collaborators, is employed for empirically diagnosing ...