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A faithful record of channel mouth bifurcation angles in river delta stratigraphy on Earth and Mars
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Abstract
Which geomorphologic features of sedimentary systems persist into the stratigraphic record? In modern river deltas, channel mouth bifurcation angles have been shown to be consistent with network growth in a Laplacian flow field proximal to the channel margins. This results in a characteristic bifurcation angle of 72 . However, the persistence of this formative angle through channel evolution and preservation into the stratigraphic record remains untested. Stratigraphic river delta channel mouth bifurcations were measured using stratal slices from 3D seismic as well as Mars HiRISE orbital imagery. We find that channel mouth bifurcations interp... more
DOI
https://doi.org/10.31223/osf.io/9r64a
Subjects
Earth Sciences, Geology, Geomorphology, Physical Sciences and Mathematics, Sedimentology, Stratigraphy
Keywords
stratigraphy, Delta, Mars, geomorphology, surface processes
Dates
Published: 2018-03-01 21:42
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