Thompson et al. (2000) 1000 Year δ18O, Dust, Anion and Accumulation Data,
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Thompson et al. (2003)
Decadally averaged δ18O (1997 - 1000 A.D.)
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In 1997, three ice cores were recovered from the Dasuopu glacier
(28°23'N, 85°43'E) with the use of an electromechanical
drill in dry holes. The first core (C1) was 159.9 m long and was
drilled at 7000 m above sea level (a.s.l.) down the flow line from
the top of the col, and two cores (C2 and C3), 149.2 and 167.7 m long,
respectively, were drilled to bedrock 100 m apart on the col at
7200 m a.s.l. Visible stratigraphy showed no hiatus features in
any of the cores.
All cores were analyzed over their entire lengths for oxygen isotopic
ratio (δ18O ), chemical composition, and
dust concentration.
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References:
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Thompson, L.G., T. Yao, E. Mosley-Thompson, M.E. Davis, K.A. Henderson, and P.-N. Lin. 2000.
A high-resolution millennial record of the South Asian Monsoon from Himalayan ice cores.
Science, 289, 1916-1919.
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Thompson, L.G., E. Mosley-Thompson, M.E. Davis, P.-N. Lin, K. Henderson,
and T.A. Mashiotta. 2003.
Tropical glacier and ice core evidence of climate change on annual to
millennial time scales.
Climatic Change, 59, 137-155.
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