![]() ![]() Evaluation of success determinants, site-measure compatibility, and determination of supplementary measures are keys to achieving and sustaining the projected benefits of remedial dredging and justifying its overall cost. Nevertheless, the sustainability of these recorded positive effects cannot be ascertained as some studies have reported long-term regression in remediated sites’ conditions. Despite its immediate negative impacts including saturation of water with toxic metals, increased turbidity, and sediment resuspension, positive impacts can be recorded over a stabilization period of 6–24 months after dredging. In terms of the short-term impacts of remedial dredging, mixed results are reported in several studies. Toxic metal pollution is a leading environmental concern for aquatic systems globally, and remedial dredging has been widely employed to mitigate its harmful impacts. This work is made available under the terms of the Creative Commons Attribution 4.0 International license.Find a library where document is available.The daily survey frequency in combination with the Dredging Quality Management (DQM) dredging records now available provide the framework for better understanding the dynamic shoaling conditions and the relative role of USACE dredging activity toward restoring full channel navigability. In recent years, the SWP has been prone to rapid-onset shoaling, with predictive lead times based on upstream river discharge rates of only about 14 days. ![]() The entrance channel for this vast inland port system is known as Southwest Pass (SWP) and is the most highly utilized commercial deep-draft waterway in the nation. The United States Army Corps of Engineers (USACE) maintains the Mississippi River, Baton Rouge, Louisiana, to the Gulf of Mexico Project as part of its Navigation mission to enable safe, reliable, and cost-effective marine transportation throughout the country. ![]() Southwest Pass Sedimentation and Dredging Data Analysis ![]()
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