(Article of periodic en Anglais - 2014)

Document title

Interpretation of Late Quaternary climate and landscape variability based upon buried soil macro- and micromorphology, geochemistry, and stable isotopes of soil organic matter, Owl Creek, central Texas, USA

Authors(s) and Affiliation(s)

MEIER H.A. (1) ; DRIESE S.G. (1) ; NORDT L.C. (1) ; FORMAN S.L. (2) ; DWORKIN S.I. (1) ;
(1) Dept. of Geology, Baylor Univ., Waco, ETATS-UNIS
(2) Dept. of Earth and Environmental Science, Univ. of Illinois, Chicago, ETATS-UNIS


Four buried soils exposed along Owl Creek, within the larger Brazos River drainage basin, were examined using soil morphology and micromorphology, optically stimulated luminescence (OSL) dating, soil characterization, whole-soil geochemical and stable isotope analyses of soil organic matter and pedogenic carbonate. These buried soils provide a record of changes in paleoecological and paleo-alluvial conditions spanning ~ 14 ky. Morphological and geochemical differences between buried soils reflect changes in landscape attributable to climate, with a distinct increase in δ13C values of soil organic matter corresponding to the Holocene onset and drier conditions. Paleoecological reconstructions coupled with depth to Bk suggest possible amounts of erosion of ~ 1 m for each of the buried soils. Compilation of the proxies presented shows evidence for a cooler and wetter late Pleistocene climate, followed by a warmer and drier climate dominating during the Holocene


Article of periodic

published at : Catena / ISSN 0341-8162

Editor : Catena, Cremlingen-Destedt - ALLEMAGNE (1973)

Millesime : 2014, vol. 114 [pp. 157-168]

Bibliographic references : 1 p.

Collation : 6 fig., 3 tabl.



INIST-CNRS, Cote INIST : 16767

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1016/j.catena.2013.08.019

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2014
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