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RISAn Assessment of the Importance of Chaotic Stirring and Turbulent Mixing on the West Florida Shelf
Publisher: American Meteorological Society
Abstract: Application of dynamical systems tools has recently revealed in surface ocean currents produced by a Hybrid-Coordinate Ocean Model (HYCOM) simulation the presence of a persistent large-scale Lagrangian coherent structure ...
Lagrangian Geography of the Deep Gulf of Mexico
Publisher: American Meteorological Society
Abstract: Using trajectories from acoustically tracked (RAFOS) floats in the Gulf of Mexico, we construct a geography of its Lagrangian circulation within the 1500?2500-m layer. This is done by building a Markov-chain representation ...
Sampling-Dependent Transition Paths of Iceland–Scotland Overflow Water
Publisher: American Meteorological Society
Zonal Jets as Transport Barriers in Planetary Atmospheres
Publisher: American Meteorological Society
Abstract: The connection between transport barriers and potential vorticity (PV) barriers in PV-conserving flows is investigated with a focus on zonal jets in planetary atmospheres. A perturbed PV staircase model is used to illustrate ...
On the Lagrangian Dynamics of Atmospheric Zonal Jets and the Permeability of the Stratospheric Polar Vortex
Publisher: American Meteorological Society
Abstract: The Lagrangian dynamics of zonal jets in the atmosphere are considered, with particular attention paid to explaining why, under commonly encountered conditions, zonal jets serve as barriers to meridional transport. The ...