Bathymetry data from repeated surveys of a submerged nearshore berm at the mouth of the Columbia River, Washington, 2020-2021

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Description This portion of the USGS data release presents gridded bathymetry data derived from repeated bathymetric surveys conducted by the U.S. Army Corps of Engineers Portland District on the Pacific Ocean, Washington. Repeated surveys were performed between September 9, 2020, and March 10, 2021, from a vessel equipped with a multi-beam bathymetry system to characterize the morphology and dispersal of a nearshore berm composed of sediment dredged from the navigational channel at the mouth of the Columbia River. Digital data files containing gridded bathymetry data for each survey are provided in ESRI ARC ASCII (*.asc) format. These data accompany Stevens and others (2023). [More]
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