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Thermodynamic Coupled Modes in the Tropical Atmosphere–Ocean: An Analytical Solution
Publisher: American Meteorological Society
Abstract: The present study provides a consistent and unified solution for the two types of thermodynamical coupled modes in the atmosphere?ocean climate system: the tropical meridional mode and the subtropical dipole mode. The ...
Coupled Variability and Predictability in a Stochastic Climate Model of the Tropical Atlantic
Publisher: American Meteorological Society
Abstract: The coupled variability and predictability of the tropical Atlantic ocean?atmosphere system were analyzed within the framework of a linear stochastic climate model. Despite the existence of a meridional dipole as the leading ...
A Linear Stability Analysis of Coupled Tropical Atlantic Variability
Publisher: American Meteorological Society
Abstract: A linear stability analysis of an intermediate coupled ocean?atmosphere model reveals that the tropical Atlantic has two types of coupled modes: a meridional mode at the decadal time scale and a zonal mode at the interannual ...
Effect of Oceanic Advection on the Potential Predictability of Sea Surface Temperature
Publisher: American Meteorological Society
Abstract: The effect of oceanic advection on the predictability of sea surface temperature (SST) is investigated in the framework of a linear stochastic model. An analytical solution of a one-dimensional model shows that even though ...
Direct Evidence of an Oceanic Inverse Kinetic Energy Cascade from Satellite Altimetry
Publisher: American Meteorological Society
Abstract: Sea surface height measurements from satellites reveal the turbulent properties of the South Pacific Ocean surface geostrophic circulation, both supporting and challenging different aspects of geostrophic turbulence theory. ...
Predictability of Linear Coupled Systems. Part I: Theoretical Analyses
Publisher: American Meteorological Society
Abstract: The predictability of stochastically forced linear systems is investigated under the condition that an ensemble of forecasts are each initialized at the true state but driven by different realizations of white noise. Some ...
Predictability of Linear Coupled Systems. Part II: An Application to a Simple Model of Tropical Atlantic Variability
Publisher: American Meteorological Society
Abstract: A predictability analysis developed within a general framework of linear stochastic dynamics in a companion paper is applied to a simple coupled climate model of tropical Atlantic variability (TAV). The simple model extends ...
Impact of South Pacific Subtropical Dipole Mode on the Equatorial Pacific
Publisher: American Meteorological Society
Abstract: AbstractPrevious studies have indicated that a sea surface temperature anomaly (SSTA) dipole in the subtropical South Pacific (SPSD), which peaks in austral summer (January?March), is dominated by thermodynamic processes. ...