TY  - JOUR
A1  - Sachse, Dirk
A1  - Billault, Isabelle
A1  - Bowen, Gabriel J.
A1  - Chikaraishi, Yoshito
A1  - Dawson, Todd E.
A1  - Feakins, Sarah J.
A1  - Freeman, Katherine H.
A1  - Magill, Clayton R.
A1  - McInerney, Francesca A.
A1  - van der Meer, Marcel T. J.
A1  - Polissar, Pratigya
A1  - Robins, Richard J.
A1  - Sachs, Julian P.
A1  - Schmidt, Hanns-Ludwig
A1  - Sessions, Alex L.
A1  - White, James W. C.
A1  - West, Jason B.
A1  - Kahmen, Ansgar
A2  - Jeanloz, R
T1  - Molecular Paleohydrology interpreting the Hydrogen- Isotopic Composition of Lipid Biomarkers from Photosynthesizing Organisms
T2  - Annual review of earth and planetary sciences
T2  - Annual Review of Earth and Planetary Sciences
N2  - Hydrogen-isotopic abundances of lipid biomarkers are emerging as important proxies in the study of ancient environments and ecosystems. A decade ago, pioneering studies made use of new analytical methods and demonstrated that the hydrogen-isotopic composition of individual lipids from aquatic and terrestrial organisms can be related to the composition of their growth (i.e., environmental) water. Subsequently, compound-specific deuterium/hydrogen (D/H) ratios of sedimentary biomarkers have been increasingly used as paleohydrological proxies over a range of geological timescales. Isotopic fractionation observed between hydrogen in environmental water and hydrogen in lipids, however, is sensitive to biochemical, physiological, and environmental influences on the composition of hydrogen available for biosynthesis in cells. Here we review the factors and processes that are known to influence the hydrogen-isotopic compositions of lipids-especially n-alkanes-from photosynthesizing organisms, and we provide a framework for interpreting their D/H ratios from ancient sediments and identify future research opportunities.
KW  - paleoclimate
KW  - paleoclimate proxy
KW  - deuterium
KW  - organic geochemistry
Y1  - 2012
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/36256
SN  - 978-0-8243-2040-9
SN  - 0084-6597
VL  - 40
IS  - 1
SP  - 221
EP  - 249
PB  - Annual Reviews
CY  - Palo Alto
ER  -