Simple “Stommel” model of THC thresholds

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ARCSS Synthesis Retreat, 8-14 August 2004, Lake Tahoe Simple “Stommel” model of THC thresholds Idealized map of pathways and transports for NADW formation Abrupt Change of the Thermohaline Circulation

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Abrupt Change of the Thermohaline Circulation. Idealized map of pathways and transports for NADW formation. Simple “Stommel” model of THC thresholds. Response of a climate model to THC shutdown. Surface temperature change in third decade. Precipitation-minus-evaporation - PowerPoint PPT Presentation

Transcript of Simple “Stommel” model of THC thresholds

Page 1: Simple “Stommel” model of THC thresholds

ARCSS Synthesis Retreat, 8-14 August 2004, Lake Tahoe

Simple “Stommel” model of THC thresholds

Idealized map of pathways and transports for NADW formation

Abrupt Change of the Thermohaline Circulation

Page 2: Simple “Stommel” model of THC thresholds

ARCSS Synthesis Retreat, 8-14 August 2004, Lake Tahoe

Precipitation-minus-evaporation change in third decade

Surface temperature change in third decade

Response of a climate model to THC shutdown

Page 3: Simple “Stommel” model of THC thresholds

ARCSS Synthesis Retreat, 8-14 August 2004, Lake Tahoe

What is happening in the North

Atlantic and Arctic at present?

Page 4: Simple “Stommel” model of THC thresholds

ARCSS Synthesis Retreat, 8-14 August 2004, Lake Tahoe

Response of a climate models to future warming

Page 5: Simple “Stommel” model of THC thresholds

ARCSS Synthesis Retreat, 8-14 August 2004, Lake Tahoe

Response of MOC to transient climate change is a result of several competing processes

Page 6: Simple “Stommel” model of THC thresholds

ARCSS Synthesis Retreat, 8-14 August 2004, Lake Tahoe

Page 7: Simple “Stommel” model of THC thresholds
Page 8: Simple “Stommel” model of THC thresholds

ARCSS Synthesis Retreat, 8-14 August 2004, Lake Tahoe

Simple “Stommel” model of THC thresholds

Idealized map of pathways and transports for NADW formation

Abrupt Change of the Thermohaline Circulation