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  • Photographic Aerial Transects of Fort Wainwright, Alaska

    Abstract: This report presents the results of low-altitude photographic transects conducted over the training areas of US Army Garrison Fort Wainwright, in the boreal biome of central Alaska, to document baseline land-cover conditions. Flights were conducted via a Cessna™ 180 on two flight paths over portions of the Tanana Flats, Yukon, and Donnelly Training Areas and covered 486 mi (782 km) while documenting GPS waypoints. Nadir photographs were made with two GoPro™ cameras operating at 5 sec time-lapse intervals and with a handheld digital camera for oblique imagery. This yielded 6,063 GoPro photos and 706 oblique photos. Each image was intersected with a land-cover-classification map, collectively representing 38 of the 44 cover categories.

  • Army engineers remove World War II-era explosives from national historic landmark on a remote Alaskan island

    Boom! Another explosion went off as a field crew for the U.S. Army Corps of Engineers – Alaska District worked to safely clear and detonate munitions remaining from the World War II-era Fort Glenn, an abandoned military installation in the Aleutian Islands 850 miles from Anchorage.

  • 22-061 Corps reminds visitors of Illia Dunes and Granite Point to recreate responsibly

    POMEROY, Wash. -- The U.S. Army Corps of Engineers, Walla Walla District, is promoting public safety and encouraging visitors to recreate responsibly for the benefit of all visitors and public lands in partnership with Garfield County Sheriff Office, Whitman County Sheriff Office, Washington Department of Fish and Wildlife, Washington State Patrol and Washington State University Police Department.

  • Recreation closures continue past Labor Day Weekend at USACE Vicksburg District’s Lower Sardis Lake

    Vicksburg, Miss. -- The US Army Corps of Engineers Vicksburg District (USACE) announces that recreation closures will continue past Labor Day Weekend for Lower Sardis Lake due to maintenance.

  • Nashville District rangers spread Water Safety at the Wilson County Fair

    LEBANON, Tenn. (Aug. 31, 2022) —Rangers with the Nashville District Corps of Engineers set up a water safety booth during the Wilson County Fair to hand out educational materials and children’s goody bags. During the weeklong event, J. Percy Priest park rangers greeted fair attendees and passed out pamphlets with important water safety information and maps of local Corps lakes.

  • Raptivist Muneer says it takes wearing a life jacket to ‘Be Alright’

    NASHVILLE, Tenn. (Aug. 31, 2022) – In a public service announcement featuring his new song “Be Alright,” the Artist and Raptivist Muneer Gonsalves tells fans that wearing a life jacket when boating or recreating in the water will help keep them afloat and safe when visiting Corps Lakes.

  • MKARNS Nav Notice SWL 22-43 Sailing Instructions Lifted Locks 3 and 5

    MKARNS - The sailing instructions for the downstream approach to Joe Hardin Lock (No. 3), noted in Nav Notice SWL 22-26 and the downstream approach to Colonel Charles D. Maynard Lock (No. 5), noted in Nav Notice 22-24 have been lifted.

  • USACE reminds everyone to be water safe this Labor Day weekend

    The U.S. Army Corps of Engineers is reminding everyone to practice good water safety habits over the upcoming Labor Day weekend.

  • Upper Savannah reservoirs enter Drought Level 1

    SAVANNAH, Ga. – The three reservoirs on the Savannah River operated by the U.S. Army Corps of Engineers declared the first drought level Sunday, Aug. 28, 2022, in response to the pool elevation at J. Strom Thurmond Lake dipping below 326.0 feet above mean sea level (ft-msl).

  • Sediment Supply from Bank Caving on the Lower Mississippi River, 1765 to Present

    Abstract: Bank caving rates and associated total sediment supply were calculated along the Lower Mississippi River from Cairo, IL, to Baton Rouge, LA, using historical maps between 1765 and 1992. Comparison of these maps reveals that the added sediment loads from bank erosion have greatly declined through time. In the pre-1960s period, erosion rates generally ranged from approximately 300 million cubic yards (MCY) to 400 MCY, with the 1880–1930s period having the highest erosion rates of approximately 600 MCY. By the 1990s, the sediment supply from bank erosion was essentially eliminated, with significant erosion being observed at only a few locations, totaling approximately 40 MCY/year. This equates to approximately a 90% reduction in the amount of total sediment being supplied to the channel system from bank erosion.