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RISNoise-Induced Transitions in a Simplified Model of the Thermohaline Circulation
Publisher: American Meteorological Society
Abstract: A simplified box ocean model for the North Atlantic is used to study the influence of multiplicative short-term climate variability on the stability and long-term dynamics of the North Atlantic thermohaline circulation. A ...
An Organizing Center for Thermohaline Excitability
Publisher: American Meteorological Society
Abstract: The bifurcation behavior of a conceptual heat?salt oscillator model is analyzed by means of numerical continuation methods. A global (homoclinic) bifurcation acts as an organizing center for the dynamics of the simplified ...
Simulation of the Last 21 000 Years Using Accelerated Transient Boundary Conditions
Publisher: American Meteorological Society
Abstract: The earth system model of intermediate complexity ECBilt-CLIO has been used for transient simulations of the last deglaciation and the Holocene. The forcing effects of the ice sheets, greenhouse gas concentrations, and ...
Calibration Uncertainties of Tropical Pacific Climate Reconstructions over the Last Millennium
Publisher: American Meteorological Society
Abstract: AbstractSeveral climate field reconstruction methods assume stationarity between the leading patterns of variability identified during the instrumental calibration period and the reconstruction period. We examine how and ...
The Effect of Explosive Tropical Volcanism on ENSO
Publisher: American Meteorological Society
Abstract: his study examines the response of El Niño?Southern Oscillation (ENSO) to massive volcanic eruptions in a suite of coupled general circulation model (CGCM) simulations utilizing the Community Climate System Model, version ...
Comments on “Noise-Induced Transitions in a Simplified Model of the Thermohaline Circulation”
Publisher: American Meteorological Society
A Nonlinear Theory for El Niño Bursting
Publisher: American Meteorological Society
Abstract: A new mechanism is proposed that explains two key features of the observed El Niño?Southern Oscillation (ENSO) phenomenon?its irregularity and decadal amplitude changes. Using a low-order ENSO model, the authors show that ...
Influences of Atlantic Climate Change on the Tropical Pacific via the Central American Isthmus
Publisher: American Meteorological Society
Abstract: Recent global coupled model experiments suggest that the atmospheric bridge across Central America is a key conduit for Atlantic climate change to affect the tropical Pacific. A high-resolution regional ocean?atmosphere ...
The Roles of CO2 and Orbital Forcing in Driving Southern Hemispheric Temperature Variations during the Last 21 000 Yr
Publisher: American Meteorological Society
Abstract: Transient climate model simulations covering the last 21 000 yr reveal that orbitally driven insolation changes in the Southern Hemisphere, combined with a rise in atmospheric pCO2, were sufficient to jump-start the deglacial ...
Wind Effects on Past and Future Regional Sea Level Trends in the Southern Indo-Pacific
Publisher: American Meteorological Society
Abstract: Global sea level rise due to the thermal expansion of the warming oceans and freshwater input from melting glaciers and ice sheets is threatening to inundate low-lying islands and coastlines worldwide. At present the global ...