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RISAn Oceanic Current against the Wind: How Does Taiwan Island Steer Warm Water into the East China Sea?
Publisher: American Meteorological Society
Abstract: Along the Taiwan Strait (<100 m in depth) a northeastward flow persists in all seasons despite the annually averaged wind stress that is strongly southwestward. The forcing mechanism of this countercurrent is examined by ...
The Seasonal Variability of the Arctic Ocean Ekman Transport and Its Role in the Mixed Layer Heat and Salt Fluxes
Publisher: American Meteorological Society
Abstract: The oceanic Ekman transport and pumping are among the most important parameters in studying the ocean general circulation and its variability. Upwelling due to the Ekman transport divergence has been identified as a leading ...
The Arctic and Subarctic Ocean Flux of Potential Vorticity and the Arctic Ocean Circulation
Publisher: American Meteorological Society
Abstract: According to observations, the Arctic Ocean circulation beneath a shallow thermocline can be schematized by cyclonic rim currents along shelves and over ridges. In each deep basin, the circulation is also believed to be ...
Propagation of Equatorially Trapped Waves on a Sloping Thermocline
Publisher: American Meteorological Society
Abstract: The WKBJ method and a multiple-scale expansion technique are used to study equatorially trapped waves propagating on a zonally sloping themocline. Assuming that variations of the main thermocline depth (MTD) are slow (the ...
Potential Vorticity Constraint on the Flow between Two Basins
Publisher: American Meteorological Society
Abstract: This paper examines the role of potential vorticity (PV) balance in source- and sink-driven flows between two basins. As shown in previous studies, PV advection into a basin, say a positive PV advection, requires a negative ...
On the Effective Capacity of the Dense-Water Reservoir for the Nordic Seas Overflow: Some Effects of Topography and Wind Stress
Publisher: American Meteorological Society
Abstract: he overflow of the dense water mass across the Greenland?Scotland Ridge (GSR) from the Nordic Seas drives the Atlantic meridional overturning circulation (AMOC). The Nordic Seas is a large basin with an enormous reservoir ...
Some Dynamical Constraints on Upstream Pathways of the Denmark Strait Overflow
Publisher: American Meteorological Society
Abstract: he East Greenland Current (EGC) had long been considered the main pathway for the Denmark Strait overflow (DSO). Recent observations, however, indicate that the north Icelandic jet (NIJ), which flows westward along the ...
Deep-Water Upwelling in the Frictional Western Boundary Layer
Publisher: American Meteorological Society
Abstract: The structure of a Stommel type of frictional western boundary layer in a thermally driven two-layer model is examined. Instead of specifying the interfacial upwelling a priori, it is calculated as part of the solution ...
Local and Equatorial Forcing of Seasonal Variations of the North Equatorial Countercurrent in the Atlantic Ocean
Publisher: American Meteorological Society
Abstract: The seasonal variation of the North Equatorial Countercurrent (NECC) in the tropical Atlantic Ocean is investigated by using a linear, one-layer reduced-gravity ocean model and by analyzing sea surface height (SSH) data ...
Decadal Variability in Coupled Sea-Ice–Thermohaline Circulation Systems
Publisher: American Meteorological Society
Abstract: An interdecadal oscillation in a coupled ocean?ice system was identified in a previous study. This paper extends that study to further examine the stability of the oscillation and the sensitivity of its frequency to various ...