Articles | Volume 5, issue 3
Earth Surf. Dynam., 5, 387–397, 2017
https://doi.org/10.5194/esurf-5-387-2017
Earth Surf. Dynam., 5, 387–397, 2017
https://doi.org/10.5194/esurf-5-387-2017

Research article 12 Jul 2017

Research article | 12 Jul 2017

Efficient retention of mud drives land building on the Mississippi Delta plain

Christopher R. Esposito et al.

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Cited articles

Allison, M. A., Biedenharn, D. S., and Little, C. D.: Suspended Sediment Loads and Tributary Inputs In The Mississippi River Below St. Louis, MO, 1990–2013: A Comparison With the Keown et al. (1981) report, U.S. Army Corps of Engineers, Vicksburg, MS, USA, in review, 2017.
Allison, M. A. and Meselhe, E. A.: The use of large water and sediment diversions in the lower Mississippi River (Louisiana) for coastal restoration, J. Hydrol., 387, 346–360, https://doi.org/10.1016/j.jhydrol.2010.04.001, 2010.
Allison, M. A., Kuehl, S. A., Martin, T. C., and Hassan, A.: Importance of flood-plain sedimentation for river sediment budgets and terrigenous input to the oceans: Insights from the Brahmaputra-Jamuna River, Geology, 26, 175–178, https://doi.org/10.1130/0091-7613(1998)026<0175:IOFPSF>2.3.CO;2, 1998.
Allison, M. A., Demas, C. R., Ebersole, B. A., Kleiss, B. A., Little, C. D., Meselhe, E. A., Powell, N. J., Pratt, T. C., and Vosburg, B. M.: A water and sediment budget for the lower Mississippi–Atchafalaya River in flood years 2008–2010: Implications for sediment discharge to the oceans and coastal restoration in Louisiana, J. Hydrol., 432–433, 84–97, https://doi.org/10.1016/j.jhydrol.2012.02.020, 2012.
Allison, M. A., Vosburg, B. M., Ramirez, M. T., and Meselhe, E. A.: Mississippi River channel response to the Bonnet Carré Spillway opening in the 2011 flood and its implications for the design and operation of river diversions, J. Hydrol., 477, 104–118, https://doi.org/10.1016/j.jhydrol.2012.11.011, 2013.
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Our work presents a novel method of measuring the capacity of deltaic landforms to trap and retain river-borne sediments, and we demonstrate that sediment retention is closely connected to sedimentary composition. Our results, supported by a unique high-resolution coring dataset in a major crevasse splay, show that finer sediments are a much larger component of the Mississippi Delta than is often acknowledged and that their abundance indicates exceptionally high rates of sediment retention.