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February 17, 2005
CO2 model explains ocean warming
The team fed different scenarios into computer simulations to try to reproduce the observed rise in ocean temperatures over the last 40 years.
They used several scenarios to try to explain the oceanic observations, including natural climate variability, solar radiation and volcanic emissions, but all fell short.
"What absolutely nailed it was greenhouse warming," said Dr Barnett.
This model reproduced the observed temperature changes in the oceans with a statistical confidence of 95%, conclusive proof - say the researchers - that global warming is being caused by human activities.
BBC NEWS | Science/Nature | Greenhouse gases 'do warm oceans'
Posted by thdyck on February 17, 2005
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