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On Frontal Dynamics in Two Model Oceans
Publisher: American Meteorological Society
Abstract: Vertically homogeneous variable-temperature layer models are often used to describe upper-ocean variability, the dynamics of jets and fronts included. Frontogenesis is known to have a preference for strong cyclonic shears. ...
On Anomalous Ocean Heat Transport toward the Arctic and Associated Climate Predictability
Publisher: American Meteorological Society
Abstract: potential for climate predictability is rooted in anomalous ocean heat transport and its consequent influence on the atmosphere above. Here the propagation, drivers, and atmospheric impact of heat anomalies within the ...
Spiral Eddies
Publisher: American Meteorological Society
Abstract: Small cyclonic spiral eddies with a scale of 10 km are very frequently observed, both from satellites and space shuttles, at the ocean surface. The authors suggest that they are the sea surface signature of ageostrophic ...
The Arctic–Atlantic Thermohaline Circulation
Publisher: American Meteorological Society
Abstract: he Atlantic Ocean's thermohaline circulation is an important modulator of global climate. Its northern branch extends through the Nordic Seas to the cold Arctic, a region that appears to be particularly influenced by climate ...
On the Dynamics and Water Mass Transformation of a Boundary Current Connecting Alpha and Beta Oceans
Publisher: American Meteorological Society
Abstract: AbstractA subpolar marginal sea, like the Nordic seas, is a transition zone between the temperature-stratified subtropics (the alpha ocean) and the salinity-stratified polar regions (the beta ocean). An inflow of Atlantic ...
The Role of Atlantic Heat Transport in Future Arctic Winter Sea Ice Loss
Publisher: American Meteorological Society
Abstract: AbstractDuring recent decades Arctic sea ice variability and retreat during winter have largely been a result of variable ocean heat transport (OHT). Here we use the Community Earth System Model (CESM) large ensemble ...
Arctic/Atlantic Exchanges via the Subpolar Gyre
Publisher: American Meteorological Society
Abstract: n the present study the decadal variability in the strength and shape of the subpolar gyre (SPG) in a 600-yr preindustrial simulation using the Bergen Climate Model is investigated. The atmospheric influence on the SPG ...
Mechanisms of Regional Winter Sea-Ice Variability in a Warming Arctic
Publisher: American Meteorological Society
Seasonal and Regional Manifestation of Arctic Sea Ice Loss
Publisher: American Meteorological Society
Abstract: AbstractThe Arctic Ocean is currently on a fast track toward seasonally ice-free conditions. Although most attention has been on the accelerating summer sea ice decline, large changes are also occurring in winter. This ...
Structure and Forcing of Observed Exchanges across the Greenland–Scotland Ridge
Publisher: American Meteorological Society
Abstract: AbstractThe Atlantic meridional overturning circulation and associated poleward heat transport are balanced by northern heat loss to the atmosphere and corresponding water-mass transformation. The circulation of northward-flowing ...