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Science Foundation in China


Science Foundation in China Volume 17 Number 2

Qin Leng and Hong Yang 2009 Science Foundation in China 17 46 doi:10.1088/1005-0841/17/2/005

A New Approach to Reconstruct Paleogene Atmospheric Hydrology at High Latitudes

REVIEW ARTICLE

Qin Leng1,2 and Hong Yang1

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Abstract

Review

Reconstruction of ancient atmospheric conditions through the analysis of precipitation patterns is a novel endeavor in the study of paleoclimate. A new approach is now available for a quantitative reconstruction of Paleogene atmospheric hydrological conditions in High Arctic. It is based on 1) the discovery of exceptionally-preserved Paleogene plant fossils from the Canadian Arctic which yielded in situ labile biomolecules; 2) the development of compound-specific hydrogen isotope analysis which can be applied to small amount of plant material; and 3) taxon-specific apparent hydrogen isotope fractionation factors obtained from empirical measurement. A new moisture recycling model is established to explain the reconstructed paleohydrologic pattern in the High Arctic during Paleogene.


Dates

Issue 2 (2009)

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Hydrogen

Isotopes



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