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  • Waterfowl Blind Drawing Cancelled at Kanopolis Lake

    The annual waterfowl blind drawing held by the Kansas City District, U.S. Army Corps of Engineers at Kanopolis Lake has been cancelled for 2025 due to constrained resources and variable water conditions relating to ongoing outlet construction.

  • Corps of Engineers and City of Oswego Celebrate Significant Breakwater Repairs

    The U.S. Army Corps of Engineers, Buffalo District and their partners celebrated the completion of a multi-year repair of Oswego’s West Arrowhead Breakwater and the start of construction on its Outer West Breakwater. Breakwaters protect the Port of Oswego – the first U.S. port of call on the Great Lakes. Its strategic location puts it less than 350 miles from 60 million people and 750 miles from half of the U.S. and Canadian populations. The Port of Oswego is home to 14 companies that utilize the Port for domestic and international operations with a far-reaching economic impact.

  • USACE Buffalo District Engineer Achieves PE Milestone, Employee of the Year Recognition

    In the demanding world of engineering, where precision, expertise, and perseverance define success, one professional’s recent accomplishments stand out as a testament to dedication and ambition. Having recently passed the notoriously challenging Professional Engineer (PE) Exam and earning the prestigious title of Distinguished Employee of the Year, U.S. Army Corps of Engineers, Buffalo District Civil Engineer Josh Reddick offers insight into what it truly takes to excel in the field.

  • Teamwork and Mentorship in the U.S. Army Corps of Engineers

    In the high-stakes world of the U.S. Army Corps of Engineers, where infrastructure projects and disaster response demand precision and innovation, Jennifer Plair, a civil engineering technician at Fort Worth District’s Somerville Lake, learned that individual expertise alone cannot guarantee success. A decorated long-distance runner, Plair discovered that true leadership lies in fostering teamwork and mentorship.

  • Do Land Models Miss Key Soil Hydrological Processes Controlling Soil Moisture Memory?

    Abstract: Soil moisture memory is critical for understanding climatic, hydrological, and ecosystem interactions. Most land surface models overestimate surface soil moisture and its persistency, sustaining spuriously large soil surface evaporation during dry-down periods. Do LSMs miss or misrepresent key hydrological processes controlling SMM? We used Noah-MP with advanced hydrology that represents preferential flow and surface ponding and provides optional schemes of soil hydraulics. Effects were tested, which are generally missed by LSMs in SMM. We compare SMMs computed from various Noah-MP configurations against that derived from the Soil Moisture Active Passive L3 soil moisture and in situ measurements from the International Soil Moisture Network between 2015 to 2019 over the contiguous US. Results suggest soil hydraulics plays a dominant role and the Van Genuchten hydraulic scheme reduces overestimation of the long-term surface SMM produced by the Brooks–Corey scheme; explicitly representing surface ponding enhances SMM for the surface layer and the root zone; and representing preferential flow improves overall representation of soil moisture dynamics. The combination of these missing schemes can significantly improve the long-term memory overestimation and short-term memory underestimation issues in LSMs. LSMs for use in seasonal-to-subseasonal climate prediction should, at least, adopt the Van Genuchten hydraulic scheme.

  • Numerical Modeling of Coastal Processes with Beneficial Use of Dredged Sediment in the Nearshore at Jekyll Island, Georgia

    Abstract: This report provides numerical model results to assist the US Army Corps of Engineers–Savannah District (SAS). These results evaluate beneficial use alternatives for the sediment from an advance maintenance widener of the Brunswick Harbor Entrance Channel between stations −14+000 and −28+000. This study applied a coastal wave, hydrodynamic and sediment transport model (Coastal Modeling System), and a shoreline change model (GenCade), focusing on developing and simulating placement alternatives. Subaerial placement model results indicate better shore and beach preservation than at the nearshore nourishment. Placing sediment closer to the “transition zone” between the revetment and natural beach will increase the volume of sand that remains in that area. Some sediment is predicted to return to the channel, but these volumes are small fractions of the placed material. GenCade results indicate that the transition zone rock debris decreases shoreline erosion. Removing it has less impact on that area than any of the subaerial nourishments, but this prediction does not include profile equilibration that may occur after the first 4 months. Overall, model results indicate that subaerial placement will have strong positive response at the eroding beach, and related increases to channel infilling rates are relatively small.

  • Prepared for the storm: North Atlantic Division’s readiness during hurricane season

    North Atlantic Division Readiness and Contingency Operations Chief Mike Ganley offers perspective on the division's regional preparation for hurricanes and other significant weather events.

  • Cochiti Lake swim beach to be temporarily closed to the public Wed. Aug. 20, 2025

    U.S. Army Corps of Engineers staff at Cochiti Lake has announced that the Swim Beach at Cochiti Lake will be temporarily closed to the public on Wed. Aug. 20, 2025, from 7:00 am until 3:00 pm, due to a special event.

  • Optimization changing Huntsville Center's organizational structure

    The changes will affect 10 programs at Huntsville Center and one program operated external to Huntsville Center, all of which provides technical, specialized, and non-geographic support to military and federal agencies around the world.

  • Bioaccumulation in Fish (Cyprinodon variegatus) During Rejuvenations of a Thin Active Cap over Field-Aged PCB Contaminated Sediment: The Effect of Clean Versus Contaminated Ongoing Influx

    Abstract: Repeated addition of activated carbon (AC) via the water column was applied to rejuvenate sorption capacity of thin AC-amended sand caps placed over polychlorinated biphenyl- (PCB) contaminated marine bed sediment receiving ongoing input of sediment (contaminated or clean) in mesocosms. Bioaccumulation of PCBs in sheepshead minnows (Cyprinodon variegatus) from bed sediment was reduced by repeated application of reju-venating AC when the ongoing input was contaminated. However, when the input sediment was clean, the novel AC addition increased fish uptake of bedded PCBs in the first 60-days of the 90-day experiments. The 79 % increase of bedded PCB bioaccumulation in fish, for clean versus contaminated inputs, was statistically signifi-cant (p < 0.05) in experiments where the rejuvenating AC was applied. Equilibrium concentrations in low- density polyethylene (LDPE) passive samplers did not fully explain bioaccumulation. Field implications of this research include setting appropriate temporal expectations of this novel remediation strategy regarding the primary desired effect (i.e., PCB bioavailability reductions).