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Uploaded on Wednesday 22 Feb 2012 by GRID-Arendal

World ocean thermohaline circulation

Year: 2005
From collection: Vital Climate Graphics
Author: Philippe Rekacewicz, UNEP/GRID-Arendal
Description:
The global conveyor belt thermohaline circulation is driven primarily by the formation and sinking of deep water (from around 1500m to the Antarctic bottom water overlying the bottom of the ocean) in the Norwegian Sea. When the strength of the haline forcing increases due to excess precipitation, runoff, or ice melt the conveyor belt will weaken or even shut down. The variability in the strength of the conveyor belt will lead to climate change in Europe and it could also influence in other areas of the global ocean.
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Main greenhouse gases
Temperature and CO2 concentration in the atmosphere over the past 400 000 years
IPCC structure
Radiative forcing - energy balances and the greenhouse effect
Potential climate change impacts
Thinning of the Arctic sea-ice
Global atmospheric concentration of CO2
Sources of greenhouse gases