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Low-altitude aerial imagery collected from a Helikite at Marconi Beach, Wellfleet, MA on March 22, 2023 The data in this release re-map the beach and nearshore environment at Marconi Beach in Wellfleet, MA and provide updated environmental context for the 2021 CoastCam installation that looks out at the coast shared by beachgoers, shorebirds, seals, and sharks. This is related to the field activity 2022-014-FA and a collaboration with the National Park Service at Cape Cod National Seashore to monitor the region that falls within the field of view of CoastCam CACO-02, which are two video cameras aimed at the beach. In March 2023, U.S. Geological Survey and Woods Hole Oceanographic Institute (WHOI) scientists conducted field surveys to collect topographic and bathymetric data. Images of the beach for use in structure-from-motion... Categories: Data; Tags: 3-band imagery, CMHRP, Cape Cod, Coastal and Marine Hazards and Resources Program, Helikite, All tags... JPG, Marconi Beach, Massachusetts, U.S. Geological Survey, UAS, USGS, United States, WHCMSC, Wellfleet, Woods Hole Coastal and Marine Science Center, aerial and satellite photography, aerial imagery, coastal processes, geoscientificInformation, geospatial data, geotagged photos, location, low-altitude aerial imagery, oceans, photographs, remote sensing, shoreline, shoreline photographs, structure from motion, Fewer tags Topographic and bathymetric data, structure from motion imagery, and ground control data collected at Head of the Meadow Beach, Truro, Massachusetts in March and April 2023, U.S. Geological Survey Field Activity 2023-011-FA The data in this release re-map the beach and nearshore environment at Head of the Meadow Beach in Truro, MA and provide updated environmental context for the 2020 CoastCam installation that looks out at the coast shared by beachgoers, shorebirds, seals, and sharks. This is related to the field activity 2022-015-FA and a collaboration with the National Park Service at Cape Cod National Seashore to monitor the region that falls within the field of view of CoastCam CACO-01, which are two video cameras aimed at the beach. In March and April 2023, U.S. Geological Survey and Woods Hole Oceanographic Institute (WHOI) scientists conducted field surveys to collect topographic and bathymetric data. Images of the beach for... Tags: Agisoft Metashape, CMHRP, Cape Cod, Coastal and Marine Hazards and Resources Program, Geography, All tags... Geomorphology, Head of the Meadow Beach, Helikite, Massachusetts, Remote Sensing, Truro, U.S. Geological Survey, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, aerial and satellite photography, coastal processes, geoscientificInformation, geospatial data, location, oceans, orthomosaic, remote sensing, shoreline, structure from motion, Fewer tags Seabed still images in JPEG format with EXIF location information collected by the U.S. Geological Survey on Stellwagen Bank during three surveys aboard the R/V Auk, September 2020 to August 2021 These data are a part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall goal is to develop high-resolution (1:25,000) interpretive maps, based on multibeam sonar data and seabed sampling, showing surficial geology and seabed sediment dynamics. The work was conducted in collaboration with the Stellwagen Bank National Marine Sanctuary, and the data collected will aid research on the ecology of fish and invertebrate species that inhabit the region. The Sanctuary's research vessel, R/V Auk, visited a total of 169 locations on Stellwagen Bank during three separate surveys from September 2020 to August 2021. During these surveys a customized... Tags: Atlantic Ocean, CMHRP, Coastal and Marine Hazards and Resources Program, JPEG, Massachusetts, All tags... Massachusetts Bay, NOAA, National Oceanic and Atmospheric Administration, North America, SBNMS, SEABOSS, SEABed Observation and Sampling System, Stellwagen Bank, Stellwagen Bank National Marine Sanctuary, U.S. Geological Survey, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, field monitoring stations, geoscientificInformation, ground-truth, image collections, location, marine geology, marine geology, oceans, photographic sampling, sea-floor characteristics, seabed, seabed images, underwater photography, video image grab, Fewer tags Comparison of methane concentration and stable carbon isotope data for natural samples analyzed by discrete sample introduction module - cavity ring down spectroscopy (DSIM-CRDS) and traditional methods A discrete sample introduction module (DSIM) was developed and interfaced to a cavity ring-down spectrometer to enable measurements of methane and CO2 concentrations and 13C values with a commercially available cavity ring-down spectrometer (CRDS). The DSIM-CRDS system permits the analysis of limited volume (5 - 100-ml) samples ranging six orders-of-magnitude from 100% analyte to the lower limit of instrument detection (2 ppm). We demonstrate system performance for methane by comparing concentrations and 13C results obtained by the DSIM and traditional methods for a variety of sample types, including low concentration (nanomolar) seawater and high concentration (> 90%) natural gas. The expansive concentration range... Categories: Data; Tags: Geochemistry, Temperate Northern Atlantic, Temperate Northern Pacific, U.S. Geological Survey, USGS, All tags... biogeochemistry, carbon cycle, carbon cycling, carbon dioxide, carbon isotope analysis, cavity ring-down spectroscopy, eastern continental margin of India, environment, gas hydrate resources, geochemical data, geochemistry, geochemistry, isotope geochemistry, marine chemistry, methane, methane hydrate, northern Cascadia margin, northern US Atlantic margin, ocean characteristics, oceanography, oceans, sediment geochemistry, stable isotopes, Fewer tags High resolution structure from motion digital surface models representing three sites on North Core Banks, NC in October 2022 These data map in high detail surficial cross-sections of North Core Banks, a barrier island in Cape Lookout National Seashore, NC, in October 2022. U.S. Geological Survey field efforts are part of an interagency agreement with the National Park Service to monitor the recovery of the island from Hurricanes Florence (2018) and Dorian (2019). Three sites of outwash, overwash, and pond formation were targeted for extensive vegetation ground-truthing, sediment samples, bathymetric mapping with a remote-controlled surface vehicle, and uncrewed aerial systems (UAS) flights to collect multispectral imagery. Five semi-permanent ground control points were also installed and surveyed to act as control for additional aerial... Tags: Agisoft Metashape, Atlantic Ocean, CMHRP, Cape Lookout, Coastal and Marine Hazards and Resources Program, All tags... Hurricane Dorian, Hurricane Florence, National Seashore, North Core Banks, Physical Habitats and Geomorphology, Remote Sensing Coastal Change, State of North Carolina, U.S. Geological Survey, USGS, WHCMSC, Woods Hole Coastal and Marine Science Center, datasets, digital elevation models, digital surface model, elevation, geoscientificInformation, remote sensing, structure from motion, topographic mapping, Fewer tags Marsh shorelines of the Massachusetts coast from 2013-14 topographic lidar data The Massachusetts Office of Coastal Zone Management (CZM) launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the Massachusetts coast. Seventy-six maps were produced in 1997 depicting a statistical analysis of shoreline change on ocean-facing shorelines from the mid-1800s to 1978 using multiple data sources. In 2001, a 1994 shoreline was added. More recently, in cooperation with CZM, the U.S. Geological Survey (USGS) delineated a new shoreline for Massachusetts using color aerial ortho-imagery from 2008 to 2009 and topographic lidar data collected in 2007. This update included a marsh shoreline, which was defined to be the tonal difference between low- and high-marsh seen in ortho-photos.... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Bourne, CMGP, Chatham, Coastal and Marine Geology Program, Duxbury, All tags... Essex, Fairhaven, Ipswich, Kingston, LIDAR, Land Use Change, Little Bay, MA, Marine Geology, Marion, Marsh Platform, Marshfield, Massachusetts, Mattapoisett, NOAA, National Assessment of Shoreline Change Project, National Oceanic and Atmospheric Administration, Pleasant Bay, Plum Island, Plymouth, Pocasset, Quincy, Rock Island Cove, Sandwich, Shoreline, Squantum, Structural Geology, U.S. Geological Survey, USGS, WHCMSC, Wareham, Wellfleet, Woods Hole Coastal and Marine Science Center, coastal processes, coastal submergence, elevation, environment, geomorphology, geoscientificInformation, marsh, marsh edge, marsh shoreline, oceans, shore, topography, Fewer tags Geotagged Low-Altitude Aerial Imagery From Unmanned Aerial System Flights Over Town Neck Beach, in Sandwich, Massachusetts, on 2016-02-11 Low-altitude (30-120 meters above ground level) digital images of Town Neck Beach in Sandwich, Massachusetts, were obtained with a series of cameras mounted on small unmanned aerial systems (UAS, also known as a drone). Imagery was collected at close to low tide on five days to observe changes in beach and dune morphology. The images were geolocated by using the single-frequency geographic positioning system aboard the UAS. Ground control points (GCPs) were established by using temporary targets on the ground, which were located by using a real-time kinematic global navigation satellite system (RTK-GNSS) base station and rovers. The GCPs can be used as constraints during photogrammetric processing. Transect points... Tags: CMGP, Coastal and Marine Geology Program, Coastal/Marine Hazards and Resources Program, DJI Phantom 3 quadcopter, FC300X, All tags... JPEG, Massachusetts, Sandwich, Spring Hill Beach, Town Neck Beach, U.S. Geological Survey, UAS, USA, USGS, Unmanned aerial system, WHCMSC, Woods Hole Coastal and Marine Science Center, aerial and satellite photography, aerial imagery, aerial photography, field activity number 2016-055-FA, geoscientificInformation, geotagged photos, image collections, location, low-altitude aerial imagery, oceans, photographs, photos, remote sensing, shoreline, shoreline photographs, Fewer tags True color and multispectral ortho products created from UAS operations at North Core Banks, NC in October 2022 These data map in high detail surficial cross-sections of North Core Banks, a barrier island in Cape Lookout National Seashore, NC, in October 2022. U.S. Geological Survey field efforts are part of an interagency agreement with the National Park Service to monitor the recovery of the island from Hurricanes Florence (2018) and Dorian (2019). Three sites of outwash, overwash, and pond formation were targeted for extensive vegetation ground-truthing, sediment samples, bathymetric mapping with a remote-controlled surface vehicle, and uncrewed aerial systems (UAS) flights to collect multispectral imagery. Five semi-permanent ground control points were also installed and surveyed to act as control for additional aerial... Tags: 5-band imagery, Aerial Imaging and Mapping Group, Atlantic Ocean, CMHRP, Cape Lookout, All tags... Coastal and Marine Hazards and Resources Program, Hurricane Dorian, Hurricane Florence, M600, MicaSense Altum-PT, NIR, North Core Banks, Physical Habitats and Geomorphology, Remote Sensing Coastal Change, Ricoh GRII, State of North Carolina, U.S. Geological Survey, UAS, USGS, WHCMSC, Woods Hole Coastal and Marine Science Center, aerial and satellite photography, geoscientificInformation, geospatial datasets, location, multispectral, oceans, panchromatic, photographs, Fewer tags Topographic and bathymetric data, structure from motion imagery, and ground control data collected at Marconi Beach, Wellfleet, Massachusetts in March 2023, U.S. Geological Survey Field Activity 2023-012-FA The data in this release re-map the beach and nearshore environment at Marconi Beach in Wellfleet, MA and provide updated environmental context for the 2021 CoastCam installation that looks out at the coast shared by beachgoers, shorebirds, seals, and sharks. This is related to the field activity 2022-014-FA and a collaboration with the National Park Service at Cape Cod National Seashore to monitor the region that falls within the field of view of CoastCam CACO-02, which are two video cameras aimed at the beach. In March 2023, U.S. Geological Survey and Woods Hole Oceanographic Institute (WHOI) scientists conducted field surveys to collect topographic and bathymetric data. Images of the beach for use in structure-from-motion... Tags: ASV, CMHRP, Cape Cod, Coastal and Marine Hazards and Resources Program, Geomorphology, All tags... Marconi Beach, Massachusetts, National Seashore, Remote Sensing, U.S. Geological Survey, USGS, United States, WHCMSC, WHOI, Wellfleet, Woods Hole Coastal and Marine Science Center, Woods Hole Oceanographic Institution, Yellowfin, bathymetry, elevation, geoscientificInformation, geospatial data, location, oceans, remote sensing, shoreline, single-beam echo sounder, single-beam echo sounder, Fewer tags Acquisition and observation logs for seabed video and sediment samples from Stellwagen Bank during three surveys by the U.S. Geological Survey aboard the R/V Auk, September 2020 to August 2021 These data are a part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall goal is to develop high-resolution (1:25,000) interpretive maps, based on multibeam sonar data and seabed sampling, showing surficial geology and seabed sediment dynamics. The work was conducted in collaboration with the Stellwagen Bank National Marine Sanctuary, and the data collected will aid research on the ecology of fish and invertebrate species that inhabit the region. The Sanctuary's research vessel, R/V Auk, visited a total of 169 locations on Stellwagen Bank during three separate surveys from September 2020 to August 2021. During these surveys a customized... Tags: Atlantic Ocean, CMHRP, Coastal and Marine Hazards and Resources Program, Massachusetts, Massachusetts Bay, All tags... NOAA, National Oceanic and Atmospheric Administration, North America, SBNMS, SEABOSS, SEABed Observation and Sampling System, Stellwagen Bank, Stellwagen Bank National Marine Sanctuary, U.S. Geological Survey, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, field activity logs, field monitoring stations, geoscientificInformation, ground-truth, location, log book, marine biology, marine biology, marine geology, marine geology, navigational data, oceans, sea floor samples, sediment samples, stations, Fewer tags Still images in JPEG format of the sediment surface in the grab sampler, collected by the U.S. Geological Survey on Stellwagen Bank during six surveys aboard the R/V Auk, May 2016 to April 2019 These data are a part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall goal is to develop high-resolution (1:25,000) interpretive maps, based on multibeam sonar data and seabed sampling, showing surficial geology and seabed sediment dynamics. The work was conducted in collaboration with the Stellwagen Bank National Marine Sanctuary, and the data collected will aid research on the ecology of fish and invertebrate species that inhabit the region. The Sanctuary's research vessel, R/V Auk, visited a total of 233 locations on Stellwagen Bank during six separate surveys from May 2016 to April 2019. During these surveys a customized... Tags: Atlantic Ocean, CMHRP, Coastal and Marine Hazards and Resources Program, JPEG, Massachusetts, All tags... Massachusetts Bay, NOAA, National Oceanic and Atmospheric Administration, North America, SBNMS, SEABOSS, SEABed Observation and Sampling System, Stellwagen Bank, Stellwagen Bank National Marine Sanctuary, U.S. Geological Survey, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, field monitoring stations, geoscientificInformation, grab sample images, ground-truth, image collections, marine geology, marine geology, oceans, photographic sampling, sample photographs, sea-floor characteristics, sediment, sediment sample images, Fewer tags Topographic and bathymetric data, imagery, and ground control data collected at Head of the Meadow Beach, Truro, Massachusetts in February and March 2024 The data in this release re-map the beach and nearshore environment at Head of the Meadow Beach in Truro, MA and provide updated environmental context for the 2020 CoastCam installation that looks out at the coast shared by beachgoers, shorebirds, seals, and sharks. This is a collaboration with the National Park Service at Cape Cod National Seashore to monitor the region that falls within the field of view of CoastCam CACO-01, which are two video cameras aimed at the beach. In February and March 2024, U.S. Geological Survey and Woods Hole Oceanographic Institution (WHOI) scientists conducted field surveys to collect topographic and bathymetric data. Images of the beach for use in structure-from-motion were taken... Tags: 3-band imagery, CMHRP, Cape Cod, Coastal and Marine Hazards and Resources Program, Geography, All tags... Geomorphology, Head of the Meadow Beach, Helikite, JPEG, Massachusetts, Remote Sensing, Truro, U.S. Geological Survey, UAS, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, aerial and satellite photography, aerial imagery, aerial photography, elevation, geoscientificInformation, geospatial datasets, geotagged photos, image collections, location, low-altitude aerial imagery, oceans, photography, remote sensing, shoreline, shoreline photographs, structure from motion, Fewer tags Video transects of the sea floor collected by the U.S. Geological Survey on Stellwagen Bank during six surveys aboard the R/V Auk, May 2016 to April 2019 These data are a part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall goal is to develop high-resolution (1:25,000) interpretive maps, based on multibeam sonar data and seabed sampling, showing surficial geology and seabed sediment dynamics. The work was conducted in collaboration with the Stellwagen Bank National Marine Sanctuary, and the data collected will aid research on the ecology of fish and invertebrate species that inhabit the region. The Sanctuary's research vessel, R/V Auk, visited a total of 233 locations on Stellwagen Bank during six separate surveys from May 2016 to April 2019. During these surveys a customized... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Atlantic Ocean, CMHRP, Coastal and Marine Hazards and Resources Program, Massachusetts, Massachusetts Bay, All tags... NOAA, National Oceanic and Atmospheric Administration, North America, SBNMS, SEABOSS, SEABed Observation and Sampling System, Stellwagen Bank, Stellwagen Bank National Marine Sanctuary, U.S. Geological Survey, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, location, marine geology, navigation, navigational data, oceans, polyline shapefile, stations, trackline, video, video observation, videography, videos, Fewer tags Bathymetric data and grid of offshore Head of the Meadow Beach, Truro, MA on April 7, 2023 The data in this release re-map the beach and nearshore environment at Head of the Meadow Beach in Truro, MA and provide updated environmental context for the 2020 CoastCam installation that looks out at the coast shared by beachgoers, shorebirds, seals, and sharks. This is related to the field activity 2022-015-FA and a collaboration with the National Park Service at Cape Cod National Seashore to monitor the region that falls within the field of view of CoastCam CACO-01, which are two video cameras aimed at the beach. In March and April 2023, U.S. Geological Survey and Woods Hole Oceanographic Institute (WHOI) scientists conducted field surveys to collect topographic and bathymetric data. Images of the beach for... Categories: Data; Tags: ASV, CMHRP, Cape Cod, Coastal and Marine Hazards and Resources Program, Head of the Meadow Beach, All tags... Massachusetts, Truro, U.S. Geological Survey, USGS, United States, WHCMSC, WHOI, Woods Hole Coastal and Marine Science Center, Woods Hole Oceanographic Institution, Yellowfin, aerial and satellite photography, bathymetry, elevation, geoscientificInformation, location, oceans, remote sensing, shoreline, single-beam echo sounder, Fewer tags Digital Surface Model representing Head of the Meadow Beach, Truro, MA on March 10, 2023 The data in this release re-map the beach and nearshore environment at Head of the Meadow Beach in Truro, MA and provide updated environmental context for the 2020 CoastCam installation that looks out at the coast shared by beachgoers, shorebirds, seals, and sharks. This is related to the field activity 2022-015-FA and a collaboration with the National Park Service at Cape Cod National Seashore to monitor the region that falls within the field of view of CoastCam CACO-01, which are two video cameras aimed at the beach. In March and April 2023, U.S. Geological Survey and Woods Hole Oceanographic Institute (WHOI) scientists conducted field surveys to collect topographic and bathymetric data. Images of the beach for... Tags: Agisoft Metashape, CMHRP, Cape Cod, Coastal and Marine Hazards and Resources Program, Head of the Meadow Beach, All tags... Helikite, Massachusetts, Truro, U.S. Geological Survey, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, aerial and satellite photography, digital elevation models, elevation, geoscientificInformation, geospatial data, location, oceans, remote sensing, shoreline, structure from motion, Fewer tags Still images in JPEG format of the sediment surface in the grab sampler, collected by the U.S. Geological Survey on Stellwagen Bank during three surveys aboard the R/V Auk, September 2020 to August 2021 These data are a part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall goal is to develop high-resolution (1:25,000) interpretive maps, based on multibeam sonar data and seabed sampling, showing surficial geology and seabed sediment dynamics. The work was conducted in collaboration with the Stellwagen Bank National Marine Sanctuary, and the data collected will aid research on the ecology of fish and invertebrate species that inhabit the region. The Sanctuary's research vessel, R/V Auk, visited a total of 169 locations on Stellwagen Bank during three separate surveys from September 2020 to August 2021. During these surveys a customized... Tags: Atlantic Ocean, CMHRP, Coastal and Marine Hazards and Resources Program, JPEG, Massachusetts, All tags... Massachusetts Bay, NOAA, National Oceanic and Atmospheric Administration, North America, SBNMS, SEABOSS, SEABed Observation and Sampling System, Stellwagen Bank, Stellwagen Bank National Marine Sanctuary, U.S. Geological Survey, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, field monitoring stations, geoscientificInformation, grab sample images, ground-truth, image collections, marine geology, marine geology, oceans, photographic sampling, sample photographs, sea-floor characteristics, sediment, sediment sample images, Fewer tags True color and multispectral aerial imagery collected from UAS operations at North Core Banks, NC in October 2022 These data map in high detail surficial cross-sections of North Core Banks, a barrier island in Cape Lookout National Seashore, NC, in October 2022. U.S. Geological Survey field efforts are part of an interagency agreement with the National Park Service to monitor the recovery of the island from Hurricanes Florence (2018) and Dorian (2019). Three sites of outwash, overwash, and pond formation were targeted for extensive vegetation ground-truthing, sediment samples, bathymetric mapping with a remote-controlled surface vehicle, and uncrewed aerial systems (UAS) flights to collect multispectral imagery. Five semi-permanent ground control points were also installed and surveyed to act as control for additional aerial... Categories: Data; Tags: 5-band imagery, Aerial Imaging and Mapping Group, Atlantic Ocean, CMHRP, Cape Lookout, All tags... Coastal and Marine Hazards and Resources Program, Hurricane Dorian, Hurricane Florence, M600, MicaSense Altum-PT, NIR, North Core Banks, Physical Habitats and Geomorphology, Remote Sensing Coastal Change, Ricoh GRII, State of North Carolina, U.S. Geological Survey, UAS, USGS, WHCMSC, Woods Hole Coastal and Marine Science Center, aerial and satellite photography, aerial photography, geoscientificInformation, image collections, location, multispectral, oceans, panchromatic, photographs, remote sensing, Fewer tags Landscape and vegetation photos and ground truthing data collected on North Core Banks, NC in October 2022 These data map in high detail surficial cross-sections of North Core Banks, a barrier island in Cape Lookout National Seashore, NC, in October 2022. U.S. Geological Survey field efforts are part of an interagency agreement with the National Park Service to monitor the recovery of the island from Hurricanes Florence (2018) and Dorian (2019). Three sites of outwash, overwash, and pond formation were targeted for extensive vegetation ground-truthing, sediment samples, bathymetric mapping with a remote-controlled surface vehicle, and uncrewed aerial systems (UAS) flights to collect multispectral imagery. Five semi-permanent ground control points were also installed and surveyed to act as control for additional aerial... Categories: Data; Tags: Atlantic Ocean, Bathymetry and Elevation, CMHRP, Cape Lookout, Coastal and Marine Hazards and Resources Program, All tags... GPS measurement, Global Positioning System (GPS) observations, Ground truthing, Hurricane Dorian, Hurricane Florence, North Core Banks, Physical Habitats and Geomorphology, Remote Sensing Coastal Change, SandSnap, State of North Carolina, U.S. Geological Survey, USGS, WHCMSC, Woods Hole Coastal and Marine Science Center, biota, coastal ecosystems, geospatial datasets, land use and land cover, location, marsh, substrate, vegetation, vegetation density, vegetation height, vegetation reference data, Fewer tags Geotagged Low-Altitude Aerial Imagery From Unmanned Aerial System Flights Over Town Neck Beach, in Sandwich, Massachusetts, on 2016-03-30 Low-altitude (30-120 meters above ground level) digital images of Town Neck Beach in Sandwich, Massachusetts, were obtained with a series of cameras mounted on small unmanned aerial systems (UAS, also known as a drone). Imagery was collected at close to low tide on five days to observe changes in beach and dune morphology. The images were geolocated by using the single-frequency geographic positioning system aboard the UAS. Ground control points (GCPs) were established by using temporary targets on the ground, which were located by using a real-time kinematic global navigation satellite system (RTK-GNSS) base station and rovers. The GCPs can be used as constraints during photogrammetric processing. Transect points... Tags: Airshark, CMGP, Coastal and Marine Geology Program, Coastal/Marine Hazards and Resources Program, DJI Phantom 3 quadcopter, All tags... FC300X, JPEG, Massachusetts, Sandwich, Sony Nex5R, Town Neck Beach, U.S. Geological Survey, UAS, USA, USGS, Unmanned aerial system, WHCMSC, Woods Hole Coastal and Marine Science Center, aerial and satellite photography, aerial imagery, aerial photography, elevation, field activity number 2016-013-FA, geoscientificInformation, geotagged photos, image collections, location, low-altitude aerial imagery, oceans, photographs, photos, remote sensing, shoreline, shoreline photographs, Fewer tags CTD (conductivity-temperature-depth) data collected by the U.S. Geological Survey on Stellwagen Bank during three surveys aboard the R/V Auk, September 2020 to August 2021 These data are a part of the effort to map geologic substrates of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts. The overall goal is to develop high-resolution (1:25,000) interpretive maps, based on multibeam sonar data and seabed sampling, showing surficial geology and seabed sediment dynamics. The work was conducted in collaboration with the Stellwagen Bank National Marine Sanctuary, and the data collected will aid research on the ecology of fish and invertebrate species that inhabit the region. The Sanctuary's research vessel, R/V Auk, visited a total of 169 locations on Stellwagen Bank during three separate surveys from September 2020 to August 2021. During these surveys a customized... Tags: Atlantic Ocean, CMHRP, CTD, CTD measurement, Coastal and Marine Hazards and Resources Program, All tags... Massachusetts, Massachusetts Bay, NOAA, National Oceanic and Atmospheric Administration, North America, SBNMS, SEABOSS, SEABed Observation and Sampling System, Stellwagen Bank, Stellwagen Bank National Marine Sanctuary, U.S. Geological Survey, USGS, United States, WHCMSC, Woods Hole Coastal and Marine Science Center, chemical oceanography, conductivity, depth, environmental chemistry, fluorescence, geoscientificInformation, marine chemistry, ocean salinity, ocean sciences, ocean temperature, oceanographic observations, oceans, salinity, temperature, turbidity, turbidity, water density, Fewer tags « 1 2 3 4 »