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Late Quaternary semiarid eolian system dynamics : distribution, timing, and soil geomorphic controls, Black Mesa, northeastern Arizona, USA

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/12882

Late Quaternary semiarid eolian system dynamics : distribution, timing, and soil geomorphic controls, Black Mesa, northeastern Arizona, USA

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Title: Late Quaternary semiarid eolian system dynamics : distribution, timing, and soil geomorphic controls, Black Mesa, northeastern Arizona, USA
Author: Ellwein, Amy
Advisor(s): McFadden, Leslie
Scuderi, Louis
Committee Member(s): Meyer, Grant
McAuliffe, Joseph
Department: University of New Mexico. Dept. of Earth and Planetary Sciences
Subject: eolian, semiarid, soil geomorphology, Black Mesa, Moenkopi Plateau, dunes
LC Subject(s): Paleopedology--Arizona--Black Mesa (Navajo County and Apache County)
Eolian processes--Arizona--Black Mesa (Navajo County and Apache County)
Paleopedology ǂy Quaternary.
Soil profiles--Arizona--Black Mesa (Navajo County and Apache County)
Sand dunes--Arizona--Black Mesa (Navajo County and Apache County)
Optically stimulated luminescence dating--Arizona--Black Mesa (Navajo County and Apache County)
Degree Level: Doctoral
Abstract: According to the University of New Mexico’s Office of Graduate Studies, this dissertation follows a hybrid format; the chapters were written as manuscripts to be submitted to peer-reviewed journals. Chapter 1 was published in the journal Quaternary Research (May, 2011) and chapters 2 and 3 will be submitted to appropriate journals soon after this dissertation is published. Chapter 1 announces new age determinations for previously unstudied topographically-controlled eolian deposits and older ages for sand sheets than were reported by previous investigators. Chapter 2 focuses on the distribution, age, and geomorphic implications of topographically-controlled eolian deposits on Black Mesa. Chapter 3 describes the role of advanced soil profile development on the stability of eolian systems; a factor generally overlooked by researchers interested in quantifying the relative activity of sand dunes. Appendix A contains the results of tests that determine the efficacy of samples used in optically stimulated luminescence dating in all three manuscripts.
Graduation Date: May 2011
URI: http://hdl.handle.net/1928/12882


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