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  • USACE Omaha District activates Emergency Operations Center to address severe weather incidents along Missouri River

    The U.S. Army Corps of Engineers Omaha District has activated its emergency operations center and is supporting multiple communities who might be, or have already been, impacted by flooding along the Missouri River and its tributaries.

  • Updated release plans for Gavins Point and Fort Randall dams

    Due to continued rainfall and forecast inflows into the Gavins Point reservoir from the Niobrara River, and other tributaries, releases from Fort Randall and Gavins Point dams will be changing. Releases from Fort Randall have already been decreased as low as they can be and will have some periods of zero release.

  • USACE Transatlantic Division Welcomes New Commander: Colonel Craig S. Baumgartner

    The United States Army Corps of Engineers Transatlantic Division proudly announces a change in leadership as Brigadier General William C. Hannan, Jr. officially hands over command to Colonel Craig S. Baumgartner. Baumgartner assumed duties as Commander of the U.S. Army Corps of Engineers Transatlantic Division, June 21. Although, he has been a crucial part of the division since August 2021, serving as the deputy commander. In this role, Baumgartner demonstrated exceptional leadership, dedication, and a deep understanding of the Transatlantic Division mission, making him the ideal choice to lead the command into the future.

  • Jacksonville District to conduct public forum to discuss upcoming Flagler County CSRM project

    U.S. Army Corps of Engineers (USACE), Jacksonville District, invites the public to attend a presentation and open discussion ahead of initial construction of the Flagler County Coastal Storm Risk Management beach project.

  • Blockhouse Ramp will temporarily close at 8 am Wednesday, June 26

    Blockhouse Ramp will temporarily close at 8 am Wednesday, June 26 and will remain closed through Saturday, June 29 and possibly Sunday, June 30.

  • Corps closes Minneapolis locks and dams to recreational vessels due to high Mississippi River flows

    ST. PAUL, Minn. – The U.S. Army Corps of Engineers, St. Paul District, announced today that it is closing Lower St. Anthony Falls Lock and Dam and Lock and Dam 1, in Minneapolis, to all recreational traffic until further notice due to high flows over 30,000 cubic feet per second, or cfs.

  • US Army Corps of Engineers Extends Comment Period for Pearl River Draft Environmental Impact Statement

    VICKSBURG, Miss. — The U.S. Army Corps of Engineers, Vicksburg District, has announced a 15-day extension of the public comment period for the draft Environmental Impact Statement (DEIS) related to the Pearl River Basin, Mississippi Federal Flood Risk Management Project. Originally set to conclude on July 22, 2024, the new deadline for submitting comments is now August 6, 2024.

  • Virtual Public Meeting Scheduled for Pearl River Draft Environmental Impact Statement (DEIS)

    VICKSBURG, Miss. — The U.S. Army Corps of Engineers, Vicksburg District, invites the public to participate in a virtual public meeting regarding the draft Environmental Impact Statement (DEIS) for the "Pearl River Basin, Mississippi Federal Flood Risk Management Project." This meeting is a crucial opportunity for stakeholders to learn about the project and provide feedback.

  • Reservoir release changes at Fort Randall and Gavins Point dams

    Excessive rainfall in eastern South Dakota, northeastern Nebraska, and northwestern Iowa, has led to increased runoff downstream of Gavins Point Dam. The lower releases will begin today, and will continue through June 23. Because of the lower releases, the pool elevation at Gavins Point Dam will increase about 2 feet. The elevation as of midnight, June 21, was 1207.1 feet.

  • Iron Oxidation–Reduction Processes in Warming Permafrost Soils and Surface Waters Expose a Seasonally Rusting Arctic Watershed

    Abstract: Landscape-scale changes from climate change in the Arctic affect the soil thermal regime and impact the depth to permafrost in vulnerable tundra watersheds. When top-down thaw of permafrost occurs, oxygen and porewaters infiltrate deeper in the soil column exposing fresh, previously frozen material and altering redox conditions. A gap remains in understanding how redox stratifications in thawing permafrost impact the geochemistry of watersheds in response to climate change and how investigations into redox may be scaled by coupling extensive geophysical mapping techniques. In this study, we collected soils and soil porewaters from three soil pits and surface water samples from an Arctic watershed on the North Slope of Alaska and analyzed for trace metals iron (Fe) and manganese (Mn) and Fe oxidation state using bulk and microscale techniques. We also used geophysical mapping and soil thermistors to measure active layer depths across the watershed to relate accelerating permafrost thaw to watershed geochemistry. Overall, evidence showed that Fe and Mn could be useful as geochemical indicators of permafrost thaw and release of Fe(II) from thawing permafrost and further oxidation to Fe(III) could translate to a higher degree of seasonal rusting coinciding with the warming and thawing of near surface-permafrost.