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Elevation contours of beach topography and near-shore bathymetry of Lake Superior at Minnesota Point, Duluth, MN, July 2020

The elevation contours in this dataset have a 2-foot (ft) interval and were derived from a digital elevation model (DEM) of beach topography and near-shore bathymetry of Lake Superior at Minnesota Point, Duluth, Minnesota. The DEM has a 10-meter (m; 32.8084 feet) cell size and was created from a LAS dataset of terrestrial light detection and ranging (lidar) data representing the beach topography and multibeam sonar data representing the bathymetry to approximately 1 kilometer (0.62 miles) offshore, for an approximately 2.27 square kilometer surveyed area. Lidar data were collected July 23, 2020 using a boat mounted Velodyne unit. Multibeam sonar data were collected July 20th and 23rd, 2020 using a Norbit integrated wide band multibeam system compact (iWBMSc) sonar unit.

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Author(s) Jenny L Hanson orcid, Stephanie R Sattler orcid, John (William) Lund orcid
Publication Date 2024-09-12
Beginning Date of Data 2020-07-20
Ending Date of Data 2020-07-23
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DOI https://doi.org/10.5066/P9JH0O1X
Citation Hanson, J.L., Sattler, S.R., and Lund, J.(., 2024, Elevation contours of beach topography and near-shore bathymetry of Lake Superior at Minnesota Point, Duluth, MN, July 2020: U.S. Geological Survey data release, https://doi.org/10.5066/P9JH0O1X.
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Metadata Date 2024-09-12
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Loading https://doi.org/10.1016/j.jglr.2024.102459

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License http://www.usa.gov/publicdomain/label/1.0/
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Harvest Source: ScienceBase
Harvest Date: 2024-09-13T04:54:56.914Z