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Science. 2003 Jun 13;300(5626):1737-9.

Holocene forcing of the Indian monsoon recorded in a stalagmite from southern Oman.

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  • 1Institute of Geological Sciences, University of Bern, CH-3012 Bern, Switzerland. dominik.fleitmann@geo.unibe.ch

Abstract

A high-resolution oxygen-isotope record from a thorium-uranium-dated stalagmite from southern Oman reflects variations in the amount of monsoon precipitation for the periods from 10.3 to 2.7 and 1.4 to 0.4 thousand years before the present (ky B.P.). Between 10.3 and 8 ky B.P., decadal to centennial variations in monsoon precipitation are in phase with temperature fluctuations recorded in Greenland ice cores, indicating that early Holocene monsoon intensity is largely controlled by glacial boundary conditions. After approximately 8 ky B.P., monsoon precipitation decreases gradually in response to changing Northern Hemisphere summer solar insolation, with decadal to multidecadal variations in monsoon precipitation being linked to solar activity.

PMID:
12805545
[PubMed]
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