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C02 and the Oceans

18 June 2010
Climate change

At www.physorg.com/print196059921.html June 18th … in looking at ice cores from up to 800,000 years ago scientists have found a link between ice melt and C02 abundance in the atmosphere. There has been a 40 per cent increase of C02 in the atmosphere since the last glaciation – and this can largely be attributed, it is being said, to changes in the circulation of oceanic waters surrounding Antarctica.

Meanwhile, at www.physorg.com/print196074751.html there is a piece on the Ocean Conveyor Belt System which is thought to transport deep polar water towards the equator or warm equatorial water to the poles – along a narrow system of currents. In the June 18th issue of Science an oceanographer suspects the conveyor belt system requires a rethink as it is out of date – new findings mean it requires an overhaul. The current model, somewhat surprisingly, ignores the role of wind above the waves – and what else might it ignore?

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