211 datasets found
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Federal
Great Lakes Environmental Database (GLENDA)
U.S. Environmental Protection Agency —
The Great Lakes Environmental Database (GLENDA) houses environmental data collected by EPA Great Lakes National Program Office (GLNPO) programs that sample water,... -
Federal
Historical Ice Breakup Dates for Chequamegon Bay, Lake Superior (ver. 5.0, September 2022)
Department of the Interior —
Ice breakup dates of Chequamegon Bay, Lake Superior from 1911 to 2022 were compiled by Lori Evrard (USGS, GLSC, Lake Superior Biological Station, Ashland, WI). Ice... -
Federal
Mercury, carbon and nitrogen isotope ratios in seven Great Lake fish species from 1975 to 2021
Department of the Interior —
Atmospheric mercury (Hg) deposition, which has been declining in North America since 1985, is the preeminent delivery pathway to the Great Lakes, making them... -
Federal
Historical Ice Breakup Dates for Chequamegon Bay, Lake Superior, 1911 to 2019 (ver. 2.0, May 2019)
Department of the Interior —
Ice breakup dates of Chequamegon Bay, Lake Superior from 1911 to 2019. Ice breakup date is the day in spring when winter ice cover substantially leaves a water body.... -
Federal
River-related flooding in the Bad River (Mashkiiziibii) Estuary, Lake Superior, 2016-22
Department of the Interior —
The Bad River (Mashkiiziibii) Estuary experiences flooding driven by both the elevation of Lake Superior and high-flow events in the rivers that feed the estuary.... -
Federal
Lake Superior seamless topobathymetric digital elevation model shaded relief map
Department of the Interior —
Modifications were made to an existing Lake Superior topobathy data set to interpolate areas of missing near shore elevation data. Areas with missing elevation data... -
Federal
XYZ files of lidar, single-beam, and multibeam sonar data of Minnesota Point near the Duluth Entry of Lake Superior, Duluth, MN, October 2021
Department of the Interior —
This dataset consists of three files containing northing, easting, and elevation ("XYZ") information for light detection and ranging (lidar) data representing the... -
Federal
Historical Ice Breakup Dates for Chequamegon Bay, Lake Superior, 1911 to 2021 (ver. 4.0, June 2021)
Department of the Interior —
Ice breakup dates of Chequamegon Bay, Lake Superior from 1911 to 2021 were compiled by Lori Evrard (USGS, GLSC, Lake Superior Biological Station, Ashland, WI). Ice... -
Federal
Pickle Pond pre-restoration orthomosaic and elevation products, Superior, Wisconsin, September 2022
Department of the Interior —
The orthomosaic, digital surface model and point cloud presented here document conditions at Pickle Pond in Superior, Wisconsin in September 2022, prior to planned... -
Federal
High-resolution (0.5m) backscatter from the Stamp Sands of Lake Superior collected using a Norbit iWBMSh multibeam echosounder during 2021 (GeoTIFF, UTM Zone 16N, NAD 83, NAVD 88)
Department of the Interior —
The erosion and active transport of legacy mine tailings (called “stamp sands”) are impacting native fish species and aquatic habitats on a shallow water rocky reef... -
Federal
Digital elevation models (DEMs) of beach topography and near-shore bathymetry of Minnesota Point, near the Superior Entry of Lake Superior, Duluth, MN, September 2021
Department of the Interior —
This dataset represents post-nourishment digital elevation models (DEMs) of the beach topography and near-shore bathymetry of Minnesota Point near the Duluth Entry of... -
Federal
Great Lakes Research Vessel Operations 1958-2018: Gillnet. (ver. 3.0, April 2019)
Department of the Interior —
All gillnet data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes... -
Federal
XYZ dataset of lidar, single-beam, and multibeam sonar data collected at Lake Superior at Minnesota Point near the Duluth Entry, Duluth, MN, Oct-Nov 2022
Department of the Interior —
This dataset is comprised of three files containing northing, easting, and elevation ("XYZ") information for light detection and ranging (lidar) data representing the... -
Federal
Mercury concentrations in surface water, sediment, and biota in the Laurentian Great Lakes, 2005 through Present
Department of the Interior —
Under the Great Lakes Restoration Initiative, the U.S. Geological Survey Mercury Research Lab (USGS MRL) conducted a multiyear assessment of mercury across the... -
Federal
Great Lakes Research Vessel Operations 1958-2018: Trawl. (ver. 3.0, April 2019)
Department of the Interior —
All trawl data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes Science... -
Federal
Beach topography and near-shore bathymetry of Lake Superior at Minnesota Point near the Superior Entry, Duluth, MN, September 2022
Department of the Interior —
These data are digital elevation models (DEMs) of the beach topography and near-shore bathymetry of Lake Superior at Minnesota Point, near the Superior entry, Duluth,... -
Federal
Beach topography and near-shore bathymetry of Lake Superior at Minnesota Point near the Duluth Entry of Lake Superior, Duluth, MN, August 2022
Department of the Interior —
These data are digital elevation models (DEMs) of the beach topography and near-shore bathymetry of Lake Superior at Minnesota Point near the Duluth Entry, Duluth,... -
Federal
Assessment of Mercury Cycling in the St Louis River, MN using Mercury and Food Web (Carbon and Nitrogen) Stable Isotopes
Department of the Interior —
The St Louis River (SLR) is the second largest tributary to Lake Superior and a designated area of concern (AOC) due to past industrial contamination of organic... -
Federal
Magnetotelluric data from Minnesota, Wisconsin, and Upper Michigan, 2015-2019, station eup610
Department of the Interior —
This dataset consists of 176 wideband magnetotelluric (MT) stations collected from 2015-2019 across parts of Minnesota, Wisconsin and the Upper Peninsula of Michigan.... -
Federal
Great Lakes Research Vessel Operations 1958-2018: Mensuration. (ver. 3.0, April 2019)
Department of the Interior —
All mensuration data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes...
211 datasets found