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Sea Level on Pacific Atolls

17 August 2012

The journal Geology, August 2012, doi:10.1130/G33344.1 (see http://geology.gsapubs.org/content/early/2012/07/31/G33344.1.abstract) … over the last 5000 years, or since 3000BC, sea levels have been within 0.25m of its present position, in the mid Pacific. This precludes global sea level oscillations of one or more metres from less stable locations. The mid Pacific atolls are tectonically stable and far from former ice sheets. Precisely surveyed and radiometrically dated microatolls indicate that sea level has not experienced significant oscillation which is quite different to the situation in other partos of the world where eustatic and isostatic adjustments have taken place.

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