26 datasets found
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Federal
High-resolution (1m) 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
Multibeam backscatter data collected in the vicinity of Woods Hole, Massachusetts, during USGS Field Activity 2021-037-FA using a dual-head Teledyne Seabat T20-R multibeam echo sounder (8-bit grayscale GeoTIFF, UTM Zone 19N, WGS 84, 50-cm resolution)
Department of the Interior —
In November 2021, the U.S. Geological Survey collected high-resolution multibeam sonar data in the vicinity of Eel Pond, in Woods Hole, Massachusetts using a dual-... -
Federal
10-m backscatter mosaic produced from backscatter intensity data from sidescan sonar and multibeam datasets (BS_composite_10m.tif GeoTIFF Image; UTM, Zone 19N, WGS 84)
Department of the Interior —
These data are qualitatively derived interpretive polygon shapefiles and selected source raster data defining surficial geology, sediment type and distribution, and... -
Federal
Multibeam Echosounder, Reson T-20P tracklines, USGS field activity 2017-003-FA, Mississippi River Delta front offshore of southeastern Louisiana (Esri polyline shapefile, GCS WGS 84)
Department of the Interior —
High resolution bathymetric, sea-floor backscatter, and seismic-reflection data were collected offshore of southeastern Louisiana aboard the research vessel Point Sur... -
Federal
Multibeam backscatter data collected in the vicinity of Buffalo Reef, Michigan, within Lake Superior during USGS Field Activity 2018-043-FA using a dual-head Reson T20-P multibeam echosounder (8-bit GeoTIFF, UTM Zone 16N, NAD 83, 2-m resolution)
Department of the Interior —
In September 2018, the U.S. Geological Survey, in collaboration with the U.S. Army Corps of Engineers, conducted high-resolution geophysical mapping and sediment... -
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...
26 datasets found