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  • Adaptive Hydraulics (AdH) Version 4.7.1 Sediment Transport User’s Manual: A 2D Modeling System Developed by the Coastal and Hydraulics Laboratory

    Abstract: Guidelines are presented for using the US Army Corps of Engineers (USACE) Adaptive Hydraulics (AdH) modeling software to model 2D shallow water problems with sediment transport (i.e., AdH linked to the Sediment Transport Library [SEDLIB]). This manual describes the inputs necessary to use the SEDLIB sediment transport library from within AdH, to perform coupled hydrodynamic, sediment, and morphological computations. The SEDLIB sediment transport library is intended to be of general use and, as such, examples are given for basic sediment transport of cohesive, noncohesive, and mixed suspended sediment loads and bedload.

  • Mechanic team keeps navigation moving on Allegheny River, replaces hydraulics system in-house

    A small team of mechanics and lock operators replaced 740 feet of hydraulic steel piping, avoiding a six-figure cost in taxpayer dollars to keep navigation moving on the Allegheny River.

  • Hydrodynamics in the Morganza Floodway and Atchafalaya Basin, Report 3: Phase 3; A Report for the US Army Corps of Engineers, MRG&P

    Abstract: The Morganza Floodway and the Atchafalaya Basin, located in Louisiana west of the Mississippi River, were evaluated using a two-dimensional Adaptive Hydraulics model. Prior to this study, Phase 1 and 2 model studies were performed that indicated that the existing floodway may not be able to pass the Project Design Flood discharge of 600,000 cubic feet per second due to levee overtopping. In this study, all elevations of exterior and interior levees were updated with current crest elevations. In addition, the Phase 3 effort evaluated the sensitivity of the floodway’s flow capacity to variations in tree/vegetation density conditions. These adjustments in roughness will improve the understanding of the role of land cover characteristics in the simulated water surfaces. This study also provides a number of inundation maps corresponding to certain flows through the Morganza Control Structure.

  • Remembering a Memphis District hero, brother

    The Memphis District and Chasteen family recently lost a beloved member to a hard-fought battle with cancer. Darian Chasteen, who most recently held the Hydraulics and Hydrology Branch Deputy Chief title, passed away on May 7, 2021. While no longer physically with us, his legacy will forever live on. Chasteen served more than 30 years with the U.S. Army Corps of Engineers, Memphis District. During that time, he made many friends and touched numerous lives. In honor of his life and the contributions he made, we take a look back at his life, happy and thankful to have known such a person.

  • Lakeville resident selected for prestigious award

    ST. PAUL, Minn. – The U.S. Army Corps of Engineers Headquarters in Washington, D.C., recently selected Lakeville, Minnesota, resident and St. Paul District senior hydraulic engineer Ann Banitt as the recipient of its Hydrology, Hydraulics and Coastal Community of Practice Professional of the Year Award.

  • Corps to host “Waterways, Wetlands and You!” informational forums

    The U.S. Army Corps of Engineers, Detroit District, will host an informational outreach event

  • Builders of Bulwark: Norfolk H&H engineer illustrates the heart, path of a problem-solver

    There are creative kids who want to produce art; there are athletic kids who seek sports; and maybe, there are the engineering kids who want to problem-solve. And if that’s the case, people like Leah Weaver would be their inspiration.

  • Retiree Bob Sneed receives Distinguished Civilian Employee Recognition Award

    RIDGETOP, Tenn. (June 8 2018) – The retired water manager best known for overseeing water releases during the May 2010 flood of the Cumberland River received the Distinguished Civilian Employee Recognition Award today during the Engineer Day Picnic at Smiley Hollow.

  • Corps of Engineers recognizes Shoreview, Minn., resident

    ST. PAUL, Minn. – The U.S. Army Corps of Engineers, St. Paul District, selected Shoreview, Minnesota, resident, Patrick Foley, as its 2015 hall of fame recipient.

  • Going Green: USACE LA District continues innovative partnership

    LAKE HAVASU, Ariz. -- The U.S. Army Corps of Engineers Los Angeles District has helped develop a strong partnership at Alamo Dam and along the Bill Williams River to continue sustaining our nation's economic and water resources. "Originally, the dam's functions were flood control, water conservation and recreation," said Rene Vermeeren, the LA District's chief of Hydrology/Hydraulics Branch.