Floodwater drainage assessment of Offutt Air Force Base, Nebraska, 2020–22
نویسندگان
چکیده
First posted June 13, 2023 For additional information, contact: Director, Nebraska Water Science CenterU.S. Geological Survey5231 South 19th Street Lincoln, NE 68512Contact Pubs Warehouse Offutt Air Force Base, south of Omaha, Nebraska, experienced major flooding during the March 2019 flood event because proximity base to confluence Missouri River and nearby tributaries, which exceeded stages. Postflood, standing water remained through much year, attracting waterfowl other birds posing a safety risk aircraft. The U.S. Survey, in cooperation with Force, began study 2020 describe hydrologic processes that affect persistence on Base.Existing site data, reviewed concert groundwater surface-water elevation data collected for study, indicate varying responses between two areas concern (AOCs), can be linked differences subsurface geology changes flows River. An inundation map indicated would present throughout Papillion Creek Ditch AOC 1 extend upstream 2 flow events greater than 771 cubic feet per second. A Army Corps Engineers Hydrologic Engineering Center-River Analysis System model flow-duration analysis were used infer many drainage problems result backwater conditions caused by higher streamflows
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ژورنال
عنوان ژورنال: Scientific Investigations Report
سال: 2023
ISSN: ['2328-0328', '2332-5607', '2328-031X']
DOI: https://doi.org/10.3133/sir20235053