Modeling the sorting of sediments on delta tops
Author(s)Baumgardner, Sarah E
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences.
John B. Southard.
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Sediment sorting in fluvial rivers produces great variation in the grain-size of deposit over the length of a river. Knowledge of the pattern of sediment deposition may help to shed light on the processes that sort by grain size. A simple geometric model was developed to predict the location of the transition between coarse and fine sediment in a bimodal sediment distribution and tested against flume-created deposits with a variety of flow and depositional conditions. The models agreed well with the overall form of plane-bed clinoform deposits but not with rippled-bed clinoform deposits, thus a new model for predicting transitions in rippled-bed deposits is needed.
Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2009.Cataloged from PDF version of thesis. Page 40 blank.Includes bibliographical references (pages 36-37).
DepartmentMassachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences.
Massachusetts Institute of Technology
Earth, Atmospheric, and Planetary Sciences.