A late Holocene molecular hydrogen isotope record of the East Asian Summer Monsoon in Southwest Japan

Precipitation in Japan is strongly affected by the East Asian monsoon system, resulting in wet summer conditions and relatively dry winter conditions. Few paleo-monsoon records exist from northeastern Asia, especially records showing decadal- to centennial-scale variability. Here we present a molecu...

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Bibliographic Details
Published in:Quaternary research 2016-11, Vol.86 (3), p.287-294
Main Authors: van Soelen, Els E., Ohkouchi, Naohiko, Suga, Hisami, Damsté, Jaap S. Sinninghe, Reichart, Gert-Jan
Format: Article
Language:English
Subjects:
Asian
Climate
Compound-specific hydrogen isotopes
Drying
East Asian Summer Monsoon
Friedelin
Holocene
Hydrogen isotopes
Lakes
Lipid biomarkers
Lipids
Monsoons
Organic geochemistry
Summer
Winter
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Summary:Precipitation in Japan is strongly affected by the East Asian monsoon system, resulting in wet summer conditions and relatively dry winter conditions. Few paleo-monsoon records exist from northeastern Asia, especially records showing decadal- to centennial-scale variability. Here we present a molecular hydrogen isotope (δD) record from Lake Kaiike, a small coastal lake in southwest Japan, to provide insight into monsoonal precipitation over the past two millennia. The δD record of friedelin, a terrestrial higher plant lipid, reveals three major shifts in precipitation: a decline from >-185‰ to
ISSN:0033-5894
1096-0287
DOI:10.1016/j.yqres.2016.07.005