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RISOn the Crucial Role of Basin Geometry in Double-Gyre Models of the Kuroshio Extension
Publisher: American Meteorological Society
Abstract: The decadal chaotic relaxation oscillation obtained in a recent double-gyre model study of the Kuroshio Extension intrinsic low-frequency variability was found to compare surprisingly well with the real variability of the ...
Coherence Resonance in a Double-Gyre Model of the Kuroshio Extension
Publisher: American Meteorological Society
Abstract: The effect of stochastic winds on the intrinsic low-frequency variability of the Kuroshio Extension (KE) is analyzed through a double-gyre (DG) model forced by a steady climatological wind plus an idealized Ornstein?Uhlenbeck ...
Low-Frequency Variability, Coherence Resonance, and Phase Selection in a Low-Order Model of the Wind-Driven Ocean Circulation
Publisher: American Meteorological Society
Abstract: n this paper, a low-order spectral quasigeostrophic (QG) model of the wind-driven ocean circulation is derived and used to analyze the low-order character of the intrinsic low-frequency variability of the midlatitude ...
Ensemble Simulations and Pullback Attractors of a Periodically Forced Double-Gyre System
Publisher: American Meteorological Society
Abstract: primitive equation ocean model has recently reproduced with reasonable realism the synchronization between the North Pacific Oscillation and the last two Kuroshio Extension decadal cycles observed from altimetry. However, ...
Kuroshio Extension Bimodality and the North Pacific Oscillation: A Case of Intrinsic Variability Paced by External Forcing
Publisher: American Meteorological Society
Abstract: previous North Pacific Ocean circulation model forced by climatological winds is extended here to include a time-dependent North Pacific Oscillation (NPO) forcing. The Kuroshio Extension (KE) decadal bimodal cycle (which ...
Westward Intensified and Topographically Modified Planetary Modes
Publisher: American Meteorological Society
Abstract: The process study presented in this note originates from the interest in investigating the existence of barotropic planetary Rossby modes in Mediterranean subbasins that have relatively small length scales and include ...
A Model of the Wind-Driven Seasonal Variability in the Tropical North Pacific, with Validation through Altimeter Data
Publisher: American Meteorological Society
Abstract: The wind-driven seasonal variability in the tropical North Pacific Ocean is analyzed by means of a two-layer primitive equation ocean model implemented in an idealized Pacific extending from 30°S to 52°N and forced by an ...
A Model for the Alboran Sea Internal Solitary Waves
Publisher: American Meteorological Society
Abstract: The propagation into the Alboran Sea of the interface depression generated at the Strait of Gibraltar by the interaction of the semidiurnal tidal current with the main (Camarinal) sill is studied numerically by using a ...
A Kuroshio Extension System Model Study: Decadal Chaotic Self-Sustained Oscillations
Publisher: American Meteorological Society
Abstract: A model study of the Kuroshio Extension system, in which forcing is provided by a time-independent climatological wind, yields a mean meandering path and a decadal variability of the jet in significant agreement with in ...
A Model Study of the Spectral Structure of Boundary-Driven Rossby Waves and Related Altimetric Implications
Publisher: American Meteorological Society
Abstract: A two-layer primitive equation box model of the North Pacific Ocean is used to highlight and analyze some general aspects of the linear large-scale boundary-driven oceanic variability that are detectable through altimeter ...