Journal
GEOMORPHOLOGY
Volume 70, Issue 1-2, Pages 42-52Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.geomorph.2005.03.010
Keywords
aeolian activity; eolian activity; Southern Plains; Cimarron River; OSL dating; optical dating
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This investigation uses a multidisciplinary approach including geomorphic surface mapping, soil stratigraphic analysis, radiocarbon dating and optically stimulated luminescence (OSL) dating to investigate the chronology of soil formation and aeolian activation periods recorded in ridge dune deposits as well as the spatial variability of aeolian processes during active aeolian episodes. This study shows that aeolian landforms superimposed on fluvial terraces adjacent to the Cimarron River in southeastern Major County and northwestern Kingfisher County, Oklahoma are the product of distinct late Holocene climatic conditions, in which periods of dune activity are episodic and accumulation of sediments is relatively rapid. Soil-forming processes operated on the stabilized dunes during intervening periods. We also demonstrate that the synthesis of geomorphic techniques, soil stratigraphy, (14) C dating and OSL dating can provide complimentary and high-resolution data about aeolian activity in the Southern Plains. (c) 2005 Elsevier B.V. All rights reserved.
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