Filters: Tags: U.S. Geological Survey (USGS) (X) > partyWithName: U.S. Geological Survey (X)

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GeoTIFF image of the backscatter intensity of the sea floor offshore of Shinnecock Inlet, New York, in 1998 (3-m resolution, Mercator, WGS 84) 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: 3-m resolution, Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), GeoTIFF image, All tags... Long Island, Middle Atlantic Bight, New York, New York Bight, North Atlantic Ocean, Shinnecock Inlet, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), backscatter intensity, geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, Fewer tags GeoTIFF image of shaded-relief bathymetry, colored by backscatter intensity, of the sea floor offshore of Moriches Inlet, New York, in 1998 (3-m resolution, Mercator, WGS 84) 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: 3-m resolution, Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), GeoTIFF image, All tags... Long Island, Middle Atlantic Bight, Moriches Inlet, New York, New York Bight, North Atlantic Ocean, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), backscatter intensity, geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, shaded-relief bathymetry, Fewer tags Grid of the sea-floor bathymetry offshore of Shinnecock Inlet, New York, in 1998 (3-m resolution Esri binary grid, Mercator, WGS 84) 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: 3-m grid, Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), Esri binary grid, All tags... Long Island, Middle Atlantic Bight, New York, New York Bight, North Atlantic Ocean, Shinnecock Inlet, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), bathymetry, elevation, geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, Fewer tags National Land Cover Database (NLCD) 2019 Land Cover Science Product (ver. 2.0, June 2021) The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released five National Land Cover Database (NLCD) products over the past two decades: NLCD 1992, 2001, 2006, 2011, and 2016. The 2016 release saw landcover created for additional years of 2003, 2008, and 2013. These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. To continue the legacy of NLCD and further establish a long-term monitoring capability for the Nation’s land resources, the USGS has designed a new generation of NLCD products named NLCD 2019. The NLCD 2019 design aims to provide innovative, consistent, and robust methodologies for production of... Tags: GIS, Image processing, Land Use Land Cover Theme, Land cover, NGDA, All tags... National Geospatial Data Asset, U.S., U.S. Geological Survey (USGS), US, United States, United States, biota, digital spatial data, imageryBaseMapsEarthCover, Fewer tags National Land Cover Database (NLCD) 2021 Impervious Products The U.S. Geological Survey (USGS), in partnership with several federal agencies, has now developed and released seven National Land Cover Database (NLCD) products: NLCD 1992, 2001, 2006, 2011, 2016, 2019, and 2021. Beginning with the 2016 release, land cover products were created for two-to-three-year intervals between 2001 and the most recent year. These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. NLCD continues to provide innovative, consistent, and robust methodologies for production of a multi-temporal land cover and land cover change database. The NLCD 2021 release is update based, so the Land Cover and Impervious Surface products released in... Tags: GIS, Image processing, Land Use Land Cover Theme, Land cover, NGDA, All tags... National Geospatial Data Asset, U.S., U.S. Geological Survey (USGS), US, United States, United States, biota, digital spatial data, imageryBaseMapsEarthCover, Fewer tags Tracklines of a multibeam survey of the sea floor southwest of Montauk Point, New York, in 1998 (polyline shapefile, geographic, WGS 84) 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: Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), EM 1000, Long Island, All tags... Middle Atlantic Bight, Montauk Point, New Jersey, New York, New York Bight, North Atlantic Ocean, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), location, mid-Atlantic Bight, multibeam, navigation, oceans, polyline shapefile, sea floor, sea floor mapping, tracklines, Fewer tags National Land Cover Database (NLCD) - 2011 The National Land Cover Database products are created through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. The MRLC Consortium is a partnership of federal agencies (www.mrlc.gov), consisting of the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration (NOAA), the U.S. Environmental Protection Agency (EPA), the U.S. Department of Agriculture (USDA), the U.S. Forest Service (USFS), the National Park Service (NPS), the U.S. Fish and Wildlife Service (FWS), the Bureau of Land Management (BLM) and the USDA Natural Resources Conservation Service (NRCS). The success of NLCD over nearly two decades is credited to the continuing collaborative... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: 010, GIS, Image processing, ImageryBaseMapEarthCover, Land cover, All tags... U.S., U.S. Geological Survey (USGS), US, United States, digital spatial data, Fewer tags National Land Cover Database (NLCD) 2021 Land Cover Science Products The U.S. Geological Survey (USGS), in partnership with several federal agencies, has now developed and released seven National Land Cover Database (NLCD) products: NLCD 1992, 2001, 2006, 2011, 2016, 2019, and 2021. Beginning with the 2016 release, land cover products were created for two-to-three-year intervals between 2001 and the most recent year. These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. NLCD continues to provide innovative, consistent, and robust methodologies for production of a multi-temporal land cover and land cover change database. The NLCD 2021 release is update based, so the Land Cover and Impervious Surface products released in... Tags: GIS, Image processing, Land Use Land Cover Theme, Land cover, NGDA, All tags... National Geospatial Data Asset, U.S., U.S. Geological Survey (USGS), US, United States, United States, biota, digital spatial data, imageryBaseMapsEarthCover, Fewer tags NLCD 2011 Percent Developed Imperviousness (2011 Edition, amended 2014) - National Geospatial Data Asset (NGDA) Land Use Land Cover The National Land Cover Database products are created through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. The MRLC Consortium is a partnership of federal agencies (www.mrlc.gov), consisting of the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration (NOAA), the U.S. Environmental Protection Agency (EPA), the U.S. Department of Agriculture -Forest Service (USDA-FS), the National Park Service (NPS), the U.S. Fish and Wildlife Service (FWS), the Bureau of Land Management (BLM) and the USDA Natural Resources Conservation Service (NRCS). The success of NLCD over nearly two decades is credited to the continuing collaborative spirit of the... Tags: 010, GIS, Image processing, ImageryBaseMapEarthCover, Land Use Land Cover Theme, All tags... Land cover, NGDA, National Geospatial Data Asset, U.S., U.S. Geological Survey (USGS), US, United States, digital spatial data, landingPage, Fewer tags Density and magnetic susceptibility measurements on Precambrian rocks in the Iron Mountain-Menominee region, Michigan-Wisconsin The U.S. Geological Survey (USGS) collected rock physical property measurements to help understand causative sources of gravity and magnetic survey anomalies in the Iron Mountain-Menominee region, Michigan-Wisconsin. A total of 2,356 measurements of magnetic susceptibility and density from 152 locations have been conducted on Precambrian rocks. The measurements aid in interpretation of newly acquired ground-based gravity and airborne magnetic data that are helping to understand concealed Precambrian geology and potential mineral resources. Multiple measurements were made at each location and sample lithology units were derived from existing USGS geologic maps noted in the supplemental information section of the... Categories: Data; Tags: Density, Dickinson, Economic Geology, GGGSC, Geology, Geophysics, and Geochemistry Science Center, All tags... Geophysics, Iron, MRP, MRP, Marinette, Marquette, Menominee, Michigan, Mineral Resources, Mineral Resources Program, Mineral Resources Program, U.S. Geological Survey (USGS), USGS, USGS Science Data Catalog (SDC), Wisconsin, borehole measurements, bulk density, geoscientificInformation, gravitational field (earth), magnetic susceptibility, magnetic susceptibility analysis, maps and atlases, Fewer tags GeoTIFF image of shaded-relief bathymetry, colored by backscatter intensity, of the sea floor southwest of Montauk Point, New York, in 1998 (3-m resolution, Mercator, WGS 84) 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: 3-m resolution image, Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), GeoTIFF image, All tags... Long Island, Middle Atlantic Bight, Montauk Point, New York, New York Bight, North Atlantic Ocean, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), backscatter intensity, geoscientificInformation, image, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, shaded-relief bathymetry, Fewer tags NLCD 2011 Land Cover (2011 Edition, amended 2014) - National Geospatial Data Asset (NGDA) Land Use Land Cover The National Land Cover Database products are created through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. The MRLC Consortium is a partnership of Federal agencies (www.mrlc.gov), consisting of the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration (NOAA), the U.S. Environmental Protection Agency (EPA), the U.S. Department of Agriculture - Forest Service (USDA-FS), the National Park Service (NPS), the U.S. Fish and Wildlife Service (USFWS), the Bureau of Land Management (BLM) and the USDA Natural Resources Conservation Service (NRCS). The success of NLCD over nearly two decades is credited to the continuing collaborative spirit of... Tags: 010, GIS, Image processing, ImageryBaseMapEarthCover, Land Use Land Cover Theme, All tags... Land cover, NGDA, National Geospatial Data Asset, U.S., U.S. Geological Survey (USGS), US, United States, digital spatial data, landingPage, Fewer tags National Land Cover Database (NLCD) Forest Disturbance Science Product (ver. 2.0, June 2021) The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released five National Land Cover Database (NLCD) products over the past two decades: NLCD 1992, 2001, 2006, 2011, and 2016. The 2016 release saw landcover created for additional years of 2003, 2008, and 2013. These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. To continue the legacy of NLCD and further establish a long-term monitoring capability for the Nation’s land resources, the USGS has designed a new generation of NLCD products named NLCD 2019. The NLCD 2019 design aims to provide innovative, consistent, and robust methodologies for production of... Tags: GIS, Image processing, Land Use Land Cover Theme, Land cover, NGDA, All tags... National Geospatial Data Asset, U.S., U.S. Geological Survey (USGS), US, United States, United States, biota, digital spatial data, imageryBaseMapsEarthCover, Fewer tags NLCD 2006 Percent Developed Imperviousness (2011 Edition, amended 2014) - National Geospatial Data Asset (NGDA) Land Use Land Cover The National Land Cover Database products are created through a cooperative project conducted by the Multi-Resolution Land Characteristics (MRLC) Consortium. The MRLC Consortium is a partnership of federal agencies (www.mrlc.gov), consisting of the U.S. Geological Survey (USGS), the National Oceanic and Atmospheric Administration (NOAA), the U.S. Environmental Protection Agency (EPA), the U.S. Department of Agriculture - Forest Service (USDA-FS), the National Park Service (NPS), the U.S. Fish and Wildlife Service (USFWS), the Bureau of Land Management (BLM) and the USDA Natural Resources Conservation Service (NRCS). Previously, NLCD consisted of three major data releases based on a 10-year cycle. These include a... Tags: 010, GIS, Image processing, ImageryBaseMapEarthCover, Land Use Land Cover Theme, All tags... Land cover, NGDA, National Geospatial Data Asset, U.S., U.S. Geological Survey (USGS), US, United States, digital spatial data, landingPage, Fewer tags Chicot Aquifer System Extent in Southwestern Louisiana, October 2020 The Chicot aquifer system underlies an area of approximately 9,500 mi2 in southwestern Louisiana and is located within the Gulf Coastal Plain physiographic province. The region includes all or parts of 15 parishes -- Vernon, Rapides, Evangeline, Allen, Beauregard, Calcasieu, Jefferson Davis, Acadia, St. Landry, Lafayette, St. Martin, Cameron, Iberia, Vermilion, and St. Mary. The Chicot aquifer system is a major source of groundwater for southwestern Louisiana, accounts for approximately 48 percent of all groundwater use in the State, and provides freshwater for public supply, industry, agriculture, and aquaculture (Collier and Sargent, 2018). Withdrawals of groundwater have created water-level gradients favorable... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Acadia Parish, Allen Parish, Beauregard Parish, CLAS, Calcasieu Parish, All tags... Cameron Parish, Chicot Aquifer System, Coastal lowlands aquifer system, Evangeline Parish, Geography, Geomorphology, Groundwater availability, Hydrology, Iberia Parish, Jefferson Davis Parish, LMG, Lafayette Parish, Louisiana, Louisiana Department of Natural Resources, Louisiana Department of Transportation Division, Lower Mississippi-Gulf Water Science, Rapides Parish, St. Landry Parish, St. Martin Parish, St. Mary Parish, U.S. Geological Survey (USGS), USGS, USGS Science Data Catalog (SDC), Vermillion Parish, Vernon Parish, Water Availability and Use Science Program, Water Resources, aquifer system, groundwater, groundwater hydrology, groundwater modeling, groundwater resources, southwestern Louisiana, Fewer tags Grid of the sea-floor bathymetry southwest of Montauk Point, New York, in 1998 (3-m resolution Esri binary grid, Mercator, WGS 84) 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: 3-m grid, Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), Esri binary grid, All tags... Long Island, Middle Atlantic Bight, Montauk Point, New York, New York Bight, North Atlantic Ocean, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), bathymetry, elevation, geoscientificInformation, grid, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, Fewer tags Tracklines of a multibeam survey of the sea floor offshore of Shinnecock Inlet, New York, in 1998 (polyline shapefile, geographic, WGS 84) 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: Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), Long Island, Middle Atlantic Bight, All tags... New York, New York Bight, North Atlantic Ocean, Shinnecock Inlet, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), location, mid-Atlantic Bight, multibeam, navigation, oceans, polyline shapefile, sea floor, sea floor mapping, tracklines, Fewer tags GeoTIFF image of shaded-relief bathymetry of the sea floor southwest of Montauk Point, New York, in 1998 (3-m resolution, Mercator, WGS 84) 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: 3-m resolution image, Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), GeoTIFF image, All tags... Long Island, Middle Atlantic Bight, Montauk Point, New York, New York Bight, North Atlantic Ocean, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, shaded-relief bathymetry, Fewer tags National Land Cover Database (NLCD) All Land Cover Science Products (ver. 2.0, June 2021) The U.S. Geological Survey (USGS), in partnership with several federal agencies, has developed and released five National Land Cover Database (NLCD) products over the past two decades: NLCD 1992, 2001, 2006, 2011, and 2016. The 2016 release saw landcover created for additional years of 2003, 2008, and 2013. These products provide spatially explicit and reliable information on the Nation’s land cover and land cover change. To continue the legacy of NLCD and further establish a long-term monitoring capability for the Nation’s land resources, the USGS has designed a new generation of NLCD products named NLCD 2019. The NLCD 2019 design aims to provide innovative, consistent, and robust methodologies for production of... Tags: GIS, Image processing, Land Use Land Cover Theme, Land cover, NGDA, All tags... National Geospatial Data Asset, U.S., U.S. Geological Survey (USGS), US, United States, United States, biota, digital spatial data, imageryBaseMapsEarthCover, Fewer tags GeoTIFF image of shaded-relief bathymetry of the sea floor offshore of Moriches Inlet, New York, in 1998 (3-m resolution, Mercator, WGS 84) 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: 3-m resolution, Canadian Coast Guard ship (CCGS) Frederick G. Creed, Canadian Hydrographic Service, Coastal and Marine Geology Program (CMGP), GeoTIFF image, All tags... Long Island, Middle Atlantic Bight, Moriches Inlet, New York, New York Bight, North Atlantic Ocean, Simrad EM1000, U.S. Geological Survey (USGS), University of New Brunswick, WHCMSC field activity 1998-015-FA, Woods Hole Coastal and Marine Science Center (WHCMSC), geoscientificInformation, imageryBaseMapsEarthCover, mid-Atlantic Bight, multibeam, oceans, sea floor, sea floor mapping, shaded-relief bathymetry, Fewer tags 1 2 »