Sediment deposition and preservation in mouth bar complexes of prograding deltas

Abstract (2018)

Authors

H. van der Vegt Applied Geology - CEG
J.E.A. Storms Applied Geology - CEG
D.J.R. Walstra Coastal Engineering - CEG , Deltares
L. Li Applied Geology - CEG
Kjetil Nordahl Statoil Research Centre
A.W. Martinius Applied Geology - CEG , Statoil Research Centre
Research Group
Applied Geology (CEG) (TU Delft)
Copyright: © 2018 H. van der Vegt, J.E.A. Storms, D.J.R. Walstra, L. Li, Kjetil Nordahl, A.W. Martinius, N.C. Howes
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Published Date

2018

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Geoscience and Engineering

Research Group

Applied Geology

Abstract

In deltaic deposits, the largest volumes of sandy deposits occur at the delta top (as channel accretion, overbank deposits) and as distinct or amalgamated sandy mouth bars in the upper delta front. We use process-based models to study the sediment distribution in four evolving deltas, each with a different input sediment profile. We show how the mouthbar deposits can preserve a large proportion of the sand preserved in the sedimentary record of deltaic systems.

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