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Abrupt Transitions and Hysteresis in Thermohaline Laboratory Models
Publisher: American Meteorological Society
Abstract: As a driving parameter is slowly altered, thermohaline ocean circulation models show either a smooth evolution of a mode of flow or an abrupt transition of temperature and salinity fields from one mode to another. An abrupt ...
Constant Potential Vorticity Hydraulically Controlled Flow—Complexities from Passage Shape
Publisher: American Meteorological Society
Abstract: Velocity, surface height profiles, and volume flux are calculated for critically controlled flow of a layer of rotating fluid from a channel to an exit passage. The upstream fluid possesses constant potential vorticity. ...
CORRIGENDUM
Publisher: American Meteorological Society
A Laboratory Model of Cooling over the Continental Shelf
Publisher: American Meteorological Society
Abstract: A laboratory experiment is conducted where hot water is cooled by exposure to air in a cylindrical rotating tank with a flat shallow outer ?continental shelf? region next to a sloping ?continental slope? bottom and a flat ...
A Laboratory Model of Vertical Ocean Circulation Driven by Mixing
Publisher: American Meteorological Society
Abstract: A model of deep ocean circulation driven by turbulent mixing is produced in a long, rectangular laboratory tank. The salinity difference is substituted for the thermal difference between tropical and polar regions. Freshwater ...
Eddy Shedding from a Boundary Current around a Cape over a Sloping Bottom
Publisher: American Meteorological Society
Abstract: The authors discuss laboratory experiments that elucidate the mechanism of formation and westward drift of anticyclonic baroclinic vortices from a buoyant surface current flowing along a lateral boundary and around a cape. ...
A Laboratory Model of Thermocline Depth and Exchange Fluxes across Circumpolar Fronts
Publisher: American Meteorological Society
Abstract: A laboratory experiment has been constructed to investigate the possibility that the equilibrium depth of a circumpolar front is set by a balance between the rate at which potential energy is created by mechanical and ...
Rotating Convection Driven by Differential Bottom Heating
Publisher: American Meteorological Society
Abstract: Convection experiments were carried out in a rectangular tank as a model of oceanic meridional overturning circulation. The objective was finding a relation between the meridional heat flux and thermal forcing. To make the ...
Antarctic Bottom Water Flux in the Equatorial Western Atlantic
Publisher: American Meteorological Society
Abstract: A moored array at the equator in the western basin of the Atlantic provides a 604-day time series of abyssal currents and temperatures spanning the full breadth of the Antarctic Bottom Water (AABW) flowing from the Brazil ...
A Dense Current Flowing down a Sloping Bottom in a Rotating Fluid
Publisher: American Meteorological Society
Abstract: A density-driven current was generated in the laboratory by releasing dense fluid over a sloping bottom in a rotating freshwater system. The behavior of the dense fluid descending the slope has been investigated by ...