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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Raster (3) Types Map Service (8) Citation (5) OGC WFS Layer (5) OGC WMS Layer (5) OGC WMS Service (5) More... Contacts Samuel D Pecoraro U.S. Geological Survey - ScienceBase PCMSC Science Data Coordinator U.S. Geological Survey - ScienceBase Bradford Butman More... Categories Data (3) Tag Types Theme (12) Place (12) Tag Schemes None (7) USGS Thesaurus (7) none (5) Geographic Names Information System (GNIS) (7) ISO 19115 Topic Category (8) Coastal and Marine Ecological Classification Standard (CMECS) (3) Marine Realms Information Bank (MRIB) keywords (3) More... View Results as: JSON ATOM CSV

BackscatterC [SWATH]--Offshore of Scott Creek map area, California This part of DS 781 presents data for the acoustic-backscatter map of Offshore of Scott Creek map area, California. Backscatter data are provided as three separate grids depending on mapping system. The raster data files are included in "BackscatterC_SWATH_OffshoreScottCreek.zip," which is accessible from https://doi.org/10.5066/F7CJ8BJW. These data accompany the pamphlet and map sheets of Cochrane, G.R., Dartnell, P., Johnson, S.Y., Greene, H.G., Erdey, M.D., Dieter, B.E., Golden, N.E., Endris, C.A., Hartwell, S.R., Kvitek, R.G., Davenport, C.W., Watt, J.T., Krigsman, L.M., Ritchie, A.C., Sliter, R.W., Finlayson, D.P., and Maier, K.L. (G.R. Cochrane and S.A. Cochran, eds.), 2015, California State Waters Map Series--Offshore... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Acoustic Reflectivity, Backscatter, CMHRP, Coastal and Marine Hazards and Resources Program, Continental/Island Shelf, All tags... Fisheries, Intensity, Marine Nearshore Subtidal, Marine Offshore Subtidal, Northern California Ecoregion, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Rock Substrate, Santa Cruz County, Scott Creek, Seafloor Character, State of California, Transform Continental Margin, U.S. Geological Survey, USGS, USGS:555fac87e4b0afeb70723efe, Unconsolidated Mineral Substrate, bathymetry, distributions, ecosystems, environment, geology, geoscientificInformation, geospatial datasets, image mosaics, imageryBaseMapsEarthCover, maps and atlases, marine geophysics, marine geophysics, multibeam sonar, oceans, physical habitats and geomorphology, sea-floor acoustic reflectivity, sea-floor characteristics, seabed, sidescan sonar, sidescan sonar, sonar methods, Fewer tags BackscatterA [8101]--Offshore of Scott Creek map area, California This part of DS 781 presents data for the acoustic-backscatter map of Offshore of Scott Creek map area, California. Backscatter data are provided as three separate grids depending on mapping system. The raster data files are included in "BackscatterA_8101_OffshoreScottCreek.zip," which is accessible from https://doi.org/10.5066/F7CJ8BJW. These data accompany the pamphlet and map sheets of Cochrane, G.R., Dartnell, P., Johnson, S.Y., Greene, H.G., Erdey, M.D., Dieter, B.E., Golden, N.E., Endris, C.A., Hartwell, S.R., Kvitek, R.G., Davenport, C.W., Watt, J.T., Krigsman, L.M., Ritchie, A.C., Sliter, R.W., Finlayson, D.P., and Maier, K.L. (G.R. Cochrane and S.A. Cochran, eds.), 2015, California State Waters Map Series--Offshore... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Acoustic Reflectivity, Backscatter, CMHRP, Coastal and Marine Hazards and Resources Program, Continental/Island Shelf, All tags... Fisheries, Intensity, Marine Nearshore Subtidal, Marine Offshore Subtidal, Northern California Ecoregion, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Rock Substrate, Santa Cruz County, Scott Creek, Seafloor Character, State of California, Transform Continental Margin, U.S. Geological Survey, USGS, USGS:555fa88be4b0afeb70723ee3, Unconsolidated Mineral Substrate, bathymetry, distributions, ecosystems, environment, geology, geoscientificInformation, geospatial datasets, image mosaics, imageryBaseMapsEarthCover, maps and atlases, marine geophysics, marine geophysics, multibeam sonar, oceans, physical habitats and geomorphology, sea-floor acoustic reflectivity, sea-floor characteristics, seabed, sidescan sonar, sidescan sonar, sonar methods, Fewer tags 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) 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 complex along the Keweenaw Peninsula of Michigan called Buffalo Reef. Stamp sands are spreading from an old mill site at the Town of Gay and settling on the reef. Multiple surveys have documented the underwater migration of toxic, metal-rich stamp sands and progressive burial of areas of hard/complex lakefloor, such as cobble fields. The finer-grained, muddy fraction of the mine tailings has been winnowed by waves and currents and transported to unknown locations in deeper waters offshore. High-resolution geophysical mapping of the bay in 2018 revealed... Tags: Buffalo Reef, DOI, Department of the Interior, GLSC, GeoTIFF, All tags... Grand Traverse Bay, Great Lakes Science Center, Houghton County, Keweenaw County, Keweenaw Peninsula, Lacustrine Geology, Lake Superior, Norbit echo sounder, R/V Desmid, R/V Rafael, State of Michigan, backscatter, bathymetry, bathymetry, field activity number 2021-005-FA, geophysics, geospatial datasets, iWBMSh, lakebed characteristics, multibeam backscatter, multibeam bathymetry, multibeam echosounder, multibeam sonar, sea-floor acoustic reflectivity, Fewer tags High-resolution (1m) bathymetry from the Stamp Sands of Lake Superior collected using a Norbit iWBMSh multibeam echosounder during 2021 (GeoTIFF, UTM Zone 16N, NAD 83, NAVD 88) 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 complex along the Keweenaw Peninsula of Michigan called Buffalo Reef. Stamp sands are spreading from an old mill site at the Town of Gay and settling on the reef. Multiple surveys have documented the underwater migration of toxic, metal-rich stamp sands and progressive burial of areas of hard/complex lakefloor, such as cobble fields. The finer-grained, muddy fraction of the mine tailings has been winnowed by waves and currents and transported to unknown locations in deeper waters offshore. High-resolution geophysical mapping of the bay in 2018 revealed... Tags: Buffalo Reef, DOI, Department of the Interior, GLSC, GeoTIFF, All tags... Grand Traverse Bay, Great Lakes Science Center, Houghton County, Keweenaw County, Keweenaw Peninsula, Lacustrine Geology, Lake Superior, Norbit echo sounder, R/V Desmid, R/V Rafael, State of Michigan, backscatter, bathymetry, bathymetry, field activity number 2021-005-FA, geophysics, geospatial datasets, iWBMSh, lakebed characteristics, multibeam backscatter, multibeam bathymetry, multibeam echosounder, multibeam sonar, sea-floor acoustic reflectivity, Fewer tags BackscatterB [7125]--Offshore of Scott Creek map area, California This part of DS 781 presents data for the acoustic-backscatter map of Offshore of Scott Creek map area, California. Backscatter data are provided as three separate grids depending on mapping system. The raster data files are included in "BackscatterB_7125_OffshoreScottCreek.zip," which is accessible from https://doi.org/10.5066/F7CJ8BJW. These data accompany the pamphlet and map sheets of Cochrane, G.R., Dartnell, P., Johnson, S.Y., Greene, H.G., Erdey, M.D., Dieter, B.E., Golden, N.E., Endris, C.A., Hartwell, S.R., Kvitek, R.G., Davenport, C.W., Watt, J.T., Krigsman, L.M., Ritchie, A.C., Sliter, R.W., Finlayson, D.P., and Maier, K.L. (G.R. Cochrane and S.A. Cochran, eds.), 2015, California State Waters Map Series--Offshore... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: Acoustic Reflectivity, Backscatter, CMHRP, Coastal and Marine Hazards and Resources Program, Continental/Island Shelf, All tags... Fisheries, Intensity, Marine Nearshore Subtidal, Marine Offshore Subtidal, Northern California Ecoregion, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Rock Substrate, Santa Cruz County, Scott Creek, Seafloor Character, State of California, Transform Continental Margin, U.S. Geological Survey, USGS, USGS:555fa9b3e4b0afeb70723eec, Unconsolidated Mineral Substrate, bathymetry, distributions, ecosystems, environment, geology, geoscientificInformation, geospatial datasets, image mosaics, imageryBaseMapsEarthCover, maps and atlases, marine geophysics, marine geophysics, multibeam sonar, oceans, physical habitats and geomorphology, sea-floor acoustic reflectivity, sea-floor characteristics, seabed, sidescan sonar, sidescan sonar, sonar methods, Fewer tags Offshore of Moriches Inlet, New York These data are from a 1998 multibeam survey of the sea floor offshore of Moriches Inlet, New York. There are five datasets: bathymetry grid, shaded-relief image, backscatter intensity image, shaded-relief colored by backscatter intensity image, and trackline navigation. The bathymetry shows the shape of the sea floor. Of particular interest are the size, shape, and orientation of bed forms that may indicate sediment movement. The shaded-relief image provides a visualization of the bathymetry that accentuates small features that cannot be effectively shown as contours alone. The image of backscatter intensity provides qualitative information on the sediment texture and roughness of the sea floor. The image of shaded-relief... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Long Island, Middle Atlantic Bight, Montauk Point, New York, New York Bight, All tags... North Atlantic Ocean, backscatter, backscatter intensity, bathymetry, elevation, geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, shaded-relief bathymetry, tracklines, Fewer tags Offshore of Fire Island Inlet, New York These data are from a 1998 multibeam survey of the sea floor offshore of Fire Island Inlet, New York. There are five datasets: bathymetry grid, shaded-relief image, backscatter intensity image, shaded-relief colored by backscatter intensity image, and trackline navigation. The bathymetry shows the shape of the sea floor. Of particular interest are the size, shape, and orientation of bed forms that may indicate sediment movement. The shaded-relief image provides a visualization of the bathymetry that accentuates small features that cannot be effectively shown as contours alone. The image of backscatter intensity provides qualitative information on the sediment texture and roughness of the sea floor. The image of... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Fire Island, Long Island, Middle Atlantic Bight, New York, New York Bight, All tags... North Atlantic Ocean, backscatter, backscatter intensity, bathymetry, elevation, geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor mapping, shaded-relief bathymetry, tracklines, Fewer tags Bathymetry and Backscatter Intensity of the Sea Floor South of Long Island, New York Surveys of the bathymetry and backscatter intensity of the sea floor south of Long Island, New York, were carried out in November 1998 using a Simrad EM1000 multibeam echosounder mounted on the Canadian Coast Guard ship Frederick G. Creed. The purpose of the multibeam echosounder surveys was to explore the bathymetry and backscatter intensity of the sea floor in several areas off the southern coast of Long Island along the 20-meter isobath. Survey areas offshore of Fire Island Inlet, Moriches Inlet, Shinnecock Inlet, and southwest of Montauk Point were about 1 kilometer (km) wide and 10 km long. The area was mapped by the U.S. Geological Survey with support from the Canadian Hydrographic Service and the University... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Fire Island, Long Island, Middle Atlantic Bight, Montauk Point, Moriches Inlet, All tags... New York, New York Bight, North Atlantic Ocean, Shinnecock Inlet, backscatter, backscatter intensity, bathymetry, elevation, geoscientificInformation, hillshade, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor mapping, shaded-relief bathymetry, tracklines, Fewer tags 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) 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 complex along the Keweenaw Peninsula of Michigan called Buffalo Reef. Stamp sands are spreading from an old mill site at the Town of Gay and settling on the reef. Multiple surveys have documented the underwater migration of toxic, metal-rich stamp sands and progressive burial of areas of hard/complex lakefloor, such as cobble fields. The finer-grained, muddy fraction of the mine tailings has been winnowed by waves and currents and transported to unknown locations in deeper waters offshore. High-resolution geophysical mapping of the bay in 2018 revealed... Tags: Buffalo Reef, DOI, Department of the Interior, GLSC, GeoTIFF, All tags... Grand Traverse Bay, Great Lakes Science Center, Houghton County, Keweenaw County, Keweenaw Peninsula, Lacustrine Geology, Lake Superior, Norbit echo sounder, R/V Desmid, R/V Rafael, State of Michigan, backscatter, bathymetry, bathymetry, field activity number 2021-005-FA, geophysics, geospatial datasets, iWBMSh, lakebed characteristics, multibeam backscatter, multibeam bathymetry, multibeam echosounder, multibeam sonar, sea-floor acoustic reflectivity, Fewer tags Offshore of Shinnecock Inlet, New York These data are from a 1998 multibeam survey of the sea floor offshore of Shinnecock Inlet, New York. There are five datasets: bathymetry grid, shaded-relief image, backscatter intensity image, shaded-relief colored by backscatter intensity image, and trackline navigation. The bathymetry shows the shape of the sea floor. Of particular interest are the size, shape, and orientation of bed forms that may indicate sediment movement. The shaded-relief image provides a visualization of the bathymetry that accentuates small features that cannot be effectively shown as contours alone. The image of backscatter intensity provides qualitative information on the sediment texture and roughness of the sea floor. The image of shaded-relief... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Long Island, Middle Atlantic Bight, New York, New York Bight, North Atlantic Ocean, All tags... Shinnecock Inlet, backscatter, backscatter intensity, bathymetry, elevation, geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, shaded-relief bathymetry, tracklines, Fewer tags Southwest of Montauk Point, New York These data are from a 1998 multibeam survey of the sea floor southwest of Montauk Point, New York. There are five datasets: bathymetry grid, shaded-relief image, backscatter intensity image, shaded-relief colored by backscatter intensity image, and trackline navigation. The bathymetry shows the shape of the sea floor. Of particular interest are the size, shape, and orientation of bed forms that may indicate sediment movement. The shaded-relief image provides a visualization of the bathymetry that accentuates small features that cannot be effectively shown as contours alone. The image of backscatter intensity provides qualitative information on the sediment texture and roughness of the sea floor. The image of shaded-relief... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Long Island, Middle Atlantic Bight, Montauk Point, New York, New York Bight, All tags... North Atlantic Ocean, backscatter, backscatter intensity, bathymetry, elevation, geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, shaded-relief bathymetry, tracklines, Fewer tags High-resolution (0.5m) bathymetry from the Stamp Sands of Lake Superior collected using a Norbit iWBMSh multibeam echosounder during 2021 (GeoTIFF, UTM Zone 16N, NAD 83, NAVD 88) 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 complex along the Keweenaw Peninsula of Michigan called Buffalo Reef. Stamp sands are spreading from an old mill site at the Town of Gay and settling on the reef. Multiple surveys have documented the underwater migration of toxic, metal-rich stamp sands and progressive burial of areas of hard/complex lakefloor, such as cobble fields. The finer-grained, muddy fraction of the mine tailings has been winnowed by waves and currents and transported to unknown locations in deeper waters offshore. High-resolution geophysical mapping of the bay in 2018 revealed... Tags: Buffalo Reef, DOI, Department of the Interior, GLSC, GeoTIFF, All tags... Grand Traverse Bay, Great Lakes Science Center, Houghton County, Keweenaw County, Keweenaw Peninsula, Lacustrine Geology, Lake Superior, Norbit echo sounder, R/V Desmid, R/V Rafael, State of Michigan, backscatter, bathymetry, bathymetry, field activity number 2021-005-FA, geophysics, geospatial datasets, iWBMSh, lakebed characteristics, multibeam backscatter, multibeam bathymetry, multibeam echosounder, multibeam sonar, sea-floor acoustic reflectivity, Fewer tags