Filters: Tags: Beaufort Sea (X) > partyWithName: Matt Nolan (X)

Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts PCMSC Science Data Coordinator Pacific Coastal and Marine Science Center U.S. Geological Survey Ann E Gibbs Alexander G Snyder U.S. Geological Survey - ScienceBase Natural Hazards Categories Data (2) Tag Types Theme (7) Place (7) USGS Scientific Topic Keyword (1) Tag Schemes None (7) Geographic Names Information System (GNIS) (7) ISO 19115 Topic Category (7) USGS Thesaurus (7) Data Categories for Marine Planning (6) Marine Realms Information Bank (3) Marine Realms Information Bank (MRIB) (3) View Results as: JSON ATOM CSV

Elevation point clouds of the north coast of Barter Island, Alaska acquired July 01 2014, September 07 2014, and July 05 2015 (LAZ file) Six elevation point cloud files in LAZ format (compressed LAS binary data) are included in this data release: 3 raw point clouds of unclassified and unedited points and 3 modified point clouds that were spatially shifted and edited to remove outliers and spurious elevation values associated with moving water surfaces. An XYZ coordinate shift was applied to each data set in order to register the data sets to an earth-based datum established from surveyed ground control points. Points are unclassified and ground-reflected color values in the red-green-blue (RGB) schema are included. The horizontal coordinate system is WGS84, UTM Zone 7 North meters; vertical coordinates are relative to the WGS84 ellipsoid. Aerial... Tags: Arctic National Wildlife Refuge, Arctic Ocean, Barter Island, Beaufort Sea, CMHRP, All tags... Coastal and Marine Hazards and Resources Program, Kaktovik, North Slope, PCMSC, Pacific Coastal and Marine Science Center, Physical habitats and geomorphology, State of Alaska, Structure-from-Motion, U.S. Geological Survey, USGS, United States of America, aerial images, airborne high-resolution data, coastal erosion, digital elevation model, elevation, geoscientificInformation, geospatial datasets, imageryBaseMapsEarthCover, permafrost, point cloud, topography, Fewer tags Orthophotomosaics, elevation point clouds, digital surface elevation models and supporting data from the north coast of Barter Island, Alaska Aerial photographs were collected from a small, fixed-wing aircraft over the coast of Barter Island, Alaska on three separate dates: July 01 2014, September 07 2014, and July 05 2015. Precise aircraft position information and structure-from-motion photogrammetric methods were combined to derive high-resolution orthophotomosaics and elevation point clouds. Ground control acquired using precise positioning were used to co-register the data sets to assess accuracy of the data sets. Data were shifted into common earth-based datum established from surveyed ground control points and edited to remove outliers, structures, and spurious elevation values associated with moving water surfaces. The horizontal coordinate system... Categories: Data; Tags: Arctic National Wildlife Refuge, Barter Island, Beaufort Sea, CMHRP, Coastal and Marine Hazards and Resources Program, All tags... Geomorphology, Kaktovik, LAS, North Slope, PCMSC, Pacific Coastal and Marine Science Center, Remote Sensing, State of Alaska, Structure-from-Motion, U.S. Geological Survey, USGS, United States of America, aerial images, coastal processes, elevation, elevation, geoscientificInformation, geospatial datasets, imageryBaseMapsEarthCover, oceans, point cloud, Fewer tags Surveyed ground control and elevation checkpoints acquired at Barter Island, Alaska, 2014-2016 Ground control points and checkpoints were collected during Global Positioning System (GPS) surveys conducted between September 6, 2014 and September 18, 2016 along the northern coast of Barter Island, Alaska. Data were acquired and post-processed using precise positioning and used to co-register and assess accuracy of photogrammetric data sets. Tags: Arctic National Wildlife Refuge, Arctic Ocean, Barter Island, Beaufort Sea, CMHRP, All tags... Coastal and Marine Hazards and Resources Program, Global Positioning System (GPS) observations, Kaktovik, North Slope, PCMSC, Pacific Coastal and Marine Science Center, Physical habitats and geomorphology, State of Alaska, U.S. Geological Survey, USGS, United States of America, elevation, geoscientificInformation, geospatial datasets, topography, Fewer tags Orthophotomosaic image (natural color) of the north coast of Barter Island, Alaska acquired on September 07 2014 (GeoTIFF image; 11-cm resolution) Aerial photographs were collected from a small, fixed-wing aircraft over the coast of Barter Island, Alaska on September 07 2014. Precise aircraft position information and structure-from-motion photogrammetric methods were combined to derive a high-resolution orthophotomosaic. This orthophotomosaic contain 3-band, 8-bit, unsigned raster data (red/green/blue; file format-GeoTIFF) with a ground sample distance (GSD) resolution of 11 cm. The file employs Lempel-Ziv-Welch (LZW) compression. This orthophotomosaic was shifted (registered) to coincide with surveyed ground control points relative to the WGS84 datum. Tags: Airborne imagery, Arctic National Wildlife Refuge, Arctic Ocean, Barter Island, Beaufort Sea, All tags... CMHRP, Coastal and Marine Hazards and Resources Program, Digital aerial imagery, Gridded Data, Kaktovik, Natural color, Orthoimagery, PCMSC, Pacific Coastal and Marine Science Center, Physical habitats and geomorphology, State of Alaska, U.S. Geological Survey, USGS, United States of America, aerial images, aerial photography, coastal erosion, geoscientificInformation, geospatial datasets, imageryBaseMapsEarthCover, permafrost, Fewer tags Digital surface models of the north coast of Barter Island, Alaska acquired on July 01 2014, September 07 2014, and July 05 2015 (GeoTIFF image) Digital surface elevation models (DSMs) of the coastline of Barter Island, Alaska derived from aerial photographs collected on July 01 2014, September 07 2014, and July 05 2015. Aerial photographs and coincident elevation data were processed using Structure-from-Motion (SfM) photogrammetric techniques. These files are single-band, 32-bit floating point DSMs (digital surface models) that represent surface elevations of buildings, vegetation, and uncovered ground surfaces in meters with 23 cm ground sample distance (GSD). The No Data value is set to -32767. The file employs Lempel-Ziv-Welch (LZW) compression. Categories: Data; Tags: Airborne high-resolution data, Arctic National Wildlife Refuge, Arctic Ocean, Barter Island, Bathymetry and elevation, All tags... Beaufort Sea, CMHRP, Coastal and Marine Hazards and Resources Program, Digital surface model, Gridded Data, Kaktovik, North Slope, PCMSC, Pacific Coastal and Marine Science Center, Physical habitats and geomorphology, State of Alaska, U.S. Geological Survey, USGS, United States of America, coastal erosion, digital elevation model, elevation, geoscientificInformation, geospatial datasets, imageryBaseMapsEarthCover, natural agents of coastal change, permafrost, topography, Fewer tags Orthophotomosaic images (natural color) of the north coast of Barter Island, Alaska acquired on July 05 2015 (GeoTIFF image; 8-cm resolution) Aerial photographs were collected from a small, fixed-wing aircraft over the coast of Barter Island, Alaska on July 05 2015. Precise aircraft position information and structure-from-motion photogrammetric methods were combined to a derive high-resolution orthophotomosaic. This orthophotomosaic contain 3-band, 8-bit, unsigned raster data (red/green/blue; file format-GeoTIFF) with a ground sample distance (GSD) resolution of 8 cm. The file employs Lempel-Ziv-Welch (LZW) compression. This orthophotomosaic was shifted (registered) to coincide with surveyed ground control points relative to the WGS84 datum. Tags: Airborne imagery, Arctic National Wildlife Refuge, Arctic Ocean, Barter Island, Beaufort Sea, All tags... CMHRP, Coastal and Marine Hazards and Resources Program, Digital aerial imagery, Gridded Data, Kaktovik, Natural color, Orthoimagery, PCMSC, Pacific Coastal and Marine Science Center, Physical habitats and geomorphology, State of Alaska, U.S. Geological Survey, USGS, United States of America, aerial images, aerial photography, coastal erosion, geoscientificInformation, geospatial datasets, imageryBaseMapsEarthCover, permafrost, Fewer tags Orthophotomosaic image (natural color) of the north coast of Barter Island, Alaska acquired on July 01 2014 (GeoTIFF image, 19-cm resolution) Aerial photographs were collected from a small, fixed-wing aircraft over the coast of Barter Island, Alaska on July 01 2014, September 07 2014. Precise aircraft position information and structure-from-motion photogrammetric methods were combined to derive a high-resolution orthophotomosaic. This orthophotomosaic contain 3-band, 8-bit, unsigned raster data (red/green/blue; file format-GeoTIFF) with a ground sample distance (GSD) resolution of 19 cm. The file employs Lempel-Ziv-Welch (LZW) compression. This orthophotomosaic was shifted (registered) to coincide with surveyed ground control points relative to the WGS84 datum. Tags: Airborne imagery, Arctic National Wildlife Refuge, Arctic Ocean, Barter Island, Beaufort Sea, All tags... CMHRP, Coastal and Marine Hazards and Resources Program, Digital aerial imagery, Gridded Data, Kaktovik, Natural color, Orthoimagery, PCMSC, Pacific Coastal and Marine Science Center, Physical habitats and geomorphology, State of Alaska, U.S. Geological Survey, USGS, United States of America, aerial images, aerial photography, coastal erosion, geoscientificInformation, geospatial datasets, imageryBaseMapsEarthCover, permafrost, Fewer tags