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Published March 8, 2022 | public
Book Section - Chapter

Morphodynamic Modeling of River-Dominated Deltas: A Review and Future Perspectives


River-dominated deltas on Earth are composed of diverse shapes and patterns, ranging from small-scale bifurcations that create channel networks to large-scale deltaic lobes that build deltaic plains. Morphodynamic feedbacks among fluid flow, sediment transport, and bed elevation change are ultimately responsible for creating these shapes and patterns, and understanding how this morphodynamic feedback constructs deltaic landscapes will contribute to developing sustainable solutions for threatened deltaic environments. In this review, we explore what morphodynamic modeling approaches are commonly used to understand how deltas grow. We also explore what the community has learned by using these models and highlight key knowledge gaps to inspire new models and new questions about river-dominated deltas.

Additional Information

All authors after DAE contributed equally to this work. DAE would like to acknowledge partial support from National Science Foundation (NSF) grants 1911321, 1812019, and 1426997. JLT would like to acknowledge NSF grant 1854371 and the American Chemical Society Petroleum Research Fund for support of this research (PRF #58817-DNI8). JBS acknowledges DOE grant DESC0016163. MPL acknowledges partial support from NSF 1427262 and NASA Delta-X. We thank Giovanni Coco for useful edits on an earlier draft.

Additional details

August 20, 2023
January 15, 2024