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River delta morphology is shaped by comple … River delta morphology is shaped by complex interactions between sediment supply and discharge variability, influencing their resilience to environmental changes. This study employs Delft3D-Flow to investigate how different discharge scenarios—constant discharge, a unimodal flood hydrograph, and a monthly flood hydrograph—affect the long-term evolution of a river-dominated delta modeled after the Wax Lake Delta, Louisiana. Over a 50-year simulation period, results indicate that unsteady discharge promotes a more symmetric delta morphology with broader sediment deposition, while constant discharge leads to localized deposition near the river mouth, resulting in an elongated delta with fewer channels. These findings highlight the role of discharge variability in delta formation, with implications for coastal management and restoration strategies.tal management and restoration strategies. +
Morphodynamic Response of River Deltas to Unsteady Discharge and Sediment Supply +
Baton Rouge +
United States +
mbruckner@lsu.edu +
Louisiana State University +
Baton Rouge +
zwu22@lsu.edu +
Zhenwei +
Louisiana State University +
Image: +
2) Simulating Glacier Flow with ICEPACK +
2) From Exploration to Publication: Geospatial Research in the Jupyter Ecosystem +
1) Landlab’s NetworkSedimentTransporter: A Lagrangian Model for River Bed Material Transport Dynamics +
Louisiana +
United States +
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18:46:55, 20 March 2025 +
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19:35:25, 20 March 2025 +
{{{OtherCountry}}} +
Coastal Working Group +
