Dissertation/Thesis Abstract

Late quaternary semiarid eolian system dynamics: Distribution, timing, and soil geomorphic controls, Black Mesa, northeastern Arizona, USA
by Ellwein, Amy, Ph.D., The University of New Mexico, 2011, 170; 3460978
Abstract (Summary)

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.

Indexing (document details)
Advisor: McFadden, Leslie D., Scuderi, Louis A.
Commitee: McAuliffe, Joseph, Meyer, Grant
School: The University of New Mexico
Department: Earth and Planetary Sciences
School Location: United States -- New Mexico
Source: DAI-B 72/10, Dissertation Abstracts International
Subjects: Soil sciences, Geomorphology
Keywords: Black mesa, Dunes, Eolian, Moenkopi plateau, Semiarid, Soil geomorphology
Publication Number: 3460978
ISBN: 978-1-124-73947-2
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