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Why Are Eddy Fluxes of Potential Vorticity Difficult to Parameterize?
Publisher: American Meteorological Society
Abstract: Eddy fluxes systematically affect the larger-scale, time-mean state, but their local behavior is difficult to parameterize. To understand how eddy fluxes of potential vorticity (PV) are controlled, the enstrophy budget is ...
When Are Eddy Tracer Fluxes Directed Downgradient?
Publisher: American Meteorological Society
Abstract: The mechanisms controlling the direction of eddy tracer fluxes are examined using eddy-resolving isopycnic experiments for a cyclic zonal channel. Eddy fluxes are directed downgradient on average when either (i) there is ...
The Effect of Ocean Dynamics and Orography on Atmospheric Storm Tracks
Publisher: American Meteorological Society
Abstract: The control of atmospheric storm tracks by ocean dynamics, orography, and their interaction is investigated using idealized experiments with a simplified coupled atmosphere?ocean climate model. The study focuses on the ...
Lagrangian Overturning Pathways in the Eastern Subpolar North Atlantic
Publisher: American Meteorological Society
Ocean and Atmosphere Storm Tracks: The Role of Eddy Vorticity Forcing
Publisher: American Meteorological Society
Abstract: Signatures of eddy variability and vorticity forcing are diagnosed in the atmosphere and ocean from weather center reanalysis and altimetric data broadly covering the same period, 1992?2002. In the atmosphere, there are ...
A Regional Thermohaline Inverse Method for Estimating Circulation and Mixing in the Arctic and Subpolar North Atlantic
Publisher: American Meteorological Society
Abstract: AbstractA regional thermohaline inverse method (RTHIM) is presented that estimates velocities through the section bounding an enclosed domain and transformation rates resulting from interior mixing within the domain, given ...
Lagrangian Overturning Pathways in the Eastern Subpolar North Atlantic
Publisher: American Meteorological Society
Eddy Heat Flux in the Southern Ocean: Response to Variable Wind Forcing
Publisher: American Meteorological Society
Abstract: The authors assess the role of time-dependent eddy variability in the Antarctic Circumpolar Current (ACC) in influencing warming of the Southern Ocean. For this, an eddy-resolving quasigeostrophic model of the wind-driven ...
Effects of Droplet Diameter and Fluid Properties on the Leidenfrost Temperature of Polished and Micro/Nanostructured Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental investigation of the effects of droplet diameters and fluid properties on the Leidenfrost temperature of polished and nano/microstructured surfaces has been carried out. Leidenfrost experiments were conducted ...
Overturning in the Subpolar North Atlantic Program: A New International Ocean Observing System
Publisher: American Meteorological Society
Abstract: or decades oceanographers have understood the Atlantic meridional overturning circulation (AMOC) to be primarily driven by changes in the production of deep-water formation in the subpolar and subarctic North Atlantic. ...