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  • Nine dams and a thousandth of an inch

    The U.S. Army Corps of Engineers Chicago District operates nine dams along the Lower Fox River as it flows from Lake Winnebago to Lake Michigan. Balancing the needs of all the stakeholders along the river as well as four privately owned dams the Corps of Engineers can still manage to control the level of Lake Winnebago to a thousandth of an inch.

  • Life jacket; Just wear it, it’s that easy

    KANSAS CITY, Mo. - The U.S. Army Corps of Engineers is kicking off the weekend right by showing just how easy it is to wear a life jacket anywhere, anytime. Today, Friday, May 20th, is recognized through the Safe Boating Campaign as Wear Your Life Jacket at Work Day. Whether you’re working in an office, on the water, at home or basically anywhere, help us participate in this global awareness effort encouraging recreators to make the most of their outdoor adventures by being responsible and returning home safely.

  • Southern Flying Squirrels (Glaucomys volans) as Major Predators of Avian Nest Boxes

    Abstract: Bird population dynamics are strongly affected by the ability to successfully reproduce, and nest predation is the primary cause of reproductive failure for most birds. Efforts to understand nest predation and manage its effects on species of conservation concern require knowledge of the ecology of associated predator assemblages. Recently, studies using cameras to record events at nests have illuminated this previously under-studied avian life stage, but such studies have been largely limited to open-cup nests. Cavity nests may be depredated by a different suite of predators and incubating or brooding females occupying such nests may be more vulnerable to predation relative to open-cup nests. Here, we used motion-activated, infrared trail cameras to record predators of artificial nest boxes in a Pinus palustris Mill. (Longleaf Pine) forest in southern Alabama. Although Glaucomys Volans L. (Southern Flying Squirrel) have only rarely been captured on film preying on nests, we found them to be responsible for the vast majority (84%) of bird-nest depredations at nest boxes, and these depredations contributed to a surprisingly low overall rate of nest success (~20%). These results may have implications for the conservation of birds that nest in artificial cavities in Longleaf Pine forests and highlight the importance of further studies on predator assemblages and their effects on nesting birds.

  • Low-Sill Control Structure Gate Load Study

    Abstract: The effort performed here describes the process to determine the gate lifting loads at the Low-Sill Control Structure. To measure the gate loads, a 1:55 Froude-scaled model of the Low-Sill Control Structure was tested. Load cells were placed on 3 of the 11 gates. Tests evaluated the gate loads for various hydraulic heads across the structure. A total of 109 tests were conducted for 14 flows with each flow having two gate settings provided by the United States Army Corps of Engineers, New Orleans District. The load data illustrated the potential for higher gate lifting loads (GLL) to occur at the mid-range gate opening (Go) for Gates 3 and 6. While for Gate 10, the highest GLL (452 kips, maximum load in testing) was at a Go = 4.2 ft. Conversely, for the low-flow bays, the highest load occurred at Go = 24.86 ft.

  • U.S. military Natural Resources Management program protects species in South Korea

    Part of the U.S. Army Corps of Engineers mission is to advocate for the health of the planet through programs and initiatives in climate change resilience, sustainability, and environmental justice. The Far East District environmental efforts are actively engaged in the Natural Resources Management program, to help protect certain flora and fauna in the local area.

  • USACE to host online public review of the Ray Roberts Lake Master Plan revision

    The Fort Worth District, U.S. Army Corps of Engineers (USACE) will be hosting an online involvement video presentation to provide information and receive public input toward the draft revision of the Master Plan for Ray Roberts Lake. Normally, USACE would conduct a live public workshop to announce the availability of the draft revised Master Plan, but continued precautions associated with the COVID-19 virus have made it necessary to conduct the public involvement process online instead of hosting a live workshop.

  • Corps of Engineers opens Upper St. Anthony Falls gate to reduce flood risk

    The U.S. Army Corps of Engineers, St. Paul District, is opening the gate at the Upper St. Anthony Falls Lock and Dam, in Minneapolis, today due to high flows on the Mississippi River.

  • USACE monitors flood risk from breakup conditions in Chena River basin after record snowpack

    When days become longer and temperatures get warmer in the interior region of the state near Fairbanks, the U.S. Army Corps of Engineers – Alaska District uses snow survey data to forecast potential flood conditions on the Chena River during the spring breakup season.

  • USACE monitors flood risk from breakup conditions in Chena River basin after record snowpack

    When days become longer and temperatures get warmer in the interior region of the state near Fairbanks, the U.S. Army Corps of Engineers – Alaska District uses snow survey data to forecast potential flood conditions on the Chena River during the spring breakup season.

  • Marina@Rowena celebrates Clean Marina Award

    ALBANY, Ky. (May 19, 2022)— The U.S. Army Corps of Engineers Nashville District has awarded Marina@Rowena the Clean Marina Award for 2022. During an award ceremony held at the Marina@Rowena, May 17, 2022, Nashville District Operations Manager Michael Lapina presented the Clean Marina flag to Marina@Rowena General Manager David Dyson, which was hoisted at the main peer during the ceremony.