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The Mississippi River is a major source of … The Mississippi River is a major source of water and sediment to the Gulf of Mexico. Several restoration strategies for the eastern Louisiana coast are linked to the Mississippi River. Anthropogenic factors, e.g., locks, dams, levees, cutoffs, bank-protection, resulted in substantial change in the sediment load of the Mississippi River. In this study, we compiled historical water and sediment data from ~ 1851 through 1929 and constructed approximate historical sediment rating curves. These historical rating curves are compared to the current records at Tarbert Landing, Baton Rouge, and Belle Chasse. Further, we utilized a 2D morphodynamic model to simulate and quantify the deposition footprint of the historical Caernarvon crevasse event that occurred during the Great Mississippi Flood of 1927 at Breton Sound Basin, LA, USA. This comparative analysis highlighted the change in sediment supply over the past century. We also investigated the implications of this change on the land-building potential from engineered diversions. This analysis also underlined the importance of measuring in-situ fine sediment flocculation parameters due to its present uncertainty and impact on inducing deposition of clay.and impact on inducing deposition of clay. +
The Great Flood of 1927: Comparative Analysis of Historical and Current Sediment Trends +
New Orleans +
United States +
New Orleans +
akhalifa1@tulane.edu +
Ahmed +
Tulane University +
Khalifa +
5044085824 +
Image: +
1) Solving the sea level equation +
3) Parameterizing human dynamics in geomorphic models: learning from coastal barrier evolution models +
1) Using Fill-Spill-Merge to understand and analyze landscape depressions +
Louisiana +
United States +
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16:17:25, 25 March 2024 +
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16:17:25, 25 March 2024 +
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