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Home Configuration of the Pleistocene Surface Beneath Cat Island, Mississippi and Implications for...

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Configuration of the Pleistocene Surface Beneath Cat Island, Mississippi and Implications for Barrier Island Formation and Evolution

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Contact Information	Please send any questions regarding this item to libref@uno.edu
Title	Configuration of the Pleistocene Surface Beneath Cat Island, Mississippi and Implications for Barrier Island Formation and Evolution
Author	Rose, Kathryn
Document Type	Master's Thesis
Keywords	Cat Island, MS, Holocene barrier, Pleistocene surface, paleochannel, beach ridges
Abstract	The mechanism of Holocene barrier formation aids in determining island geomorphologic responses to modifying climatic processes of the surrounding environment. The geometry and composition of local antecedent topography plays a role in barrier formation by providing an elevated base, nucleus for sedimentation and local sediment supply. Investigation of barriers’ subsurface geology provides insight into island formation and evolution. High-resolution shallow seismic data acquired in the island’s nearshore zone and interior canals, correlated with existing drillcore data, reveal that Cat Island, MS is situated over an Oxygen Isotope Stage 3 Phase 3 paleochannel located between two topographic high-grounds of the Pleistocene surface. Beach ridge strandplain sets on Cat Island provide additional evidence supporting the island’s formation over a relict depocenter. A new, 4-stage model for Cat Island development and evolution incorporating the influence of pre-existing topographic high-grounds and abundant local sediment supply provided by a backfilling fluvial channel is presented here.
Access	Unrestricted
Degree	M.S.
Degree Program	Earth and Environmental Sciences
Department	Dept. of Earth and Environmental Sciences
Major Professor	Kulp, Mark; Levoie, Dawn
Advisory Committee	Miner, Michael; Georgiou, Ioannis
Date Degree Awarded	2010-12-17
Format	PDF
URL	See 'reference url' on top or bottom navigation bars.
Rights	The University of New Orleans and its agents retain the non-exclusive license to archive and make accessible this dissertation or thesis in whole or in part in all forms of media, now or hereafter known. The author retains all other ownership rights to the copyright of the thesis or dissertation.
Catalog Date	2010-12-21
Object File Name	2010_MS_Rose_Kathryn
Viewer Information	Adobe Reader required for viewing (http://www.adobe.com/products/acrobat/readermain.html)
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Home Configuration of the Pleistocene Surface Beneath Cat Island, Mississippi and Implications for...

Configuration of the Pleistocene Surface Beneath Cat Island, Mississippi and Implications for Barrier Island Formation and Evolution

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