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Enhanced 1-meter Composite Grayscale Image of the Sidescan-Sonar Data From National Oceanic and Atmospheric Administration (NOAA) Survey H11079 of the Sea Floor in Great Round Shoal Channel, Offshore Massachusetts (H11079_UTM19_1MRSSS.TIF, UTM Zone 19)
The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Massachusetts Office of Coastal Zone Management (MA CZM), is producing detailed geologic maps of the coastal sea floor. Sidescan-sonar imagery, originally collected by NOAA for charting purposes, provide a fundamental framework for research and management activities along this part of the Massachusetts coastline, show the composition and terrain of the seabed, and provide information on sediment transport and benthic habitat. While acceptable for charting purposes, the original data contained numerous tonal artifacts due to environmental conditions (such as sea state), variable system settings (such as gain changes), attitude variations in the flight path of the towfish, or processing (such as lack of line to line normalization). Many of these artifacts have now been removed by enhancing the imagery to provide a more continuous grayscale GeoTIFF that enhances the true backscatter character and trends of the sea floor.
Complete Metadata
| accessLevel | public |
|---|---|
| bureauCode |
[
"010:12"
]
|
| contactPoint |
{
"fn": "Larry Poppe",
"@type": "vcard:Contact",
"hasEmail": "mailto:lpoppe@usgs.gov"
}
|
| description | The U.S. Geological Survey (USGS), in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and the Massachusetts Office of Coastal Zone Management (MA CZM), is producing detailed geologic maps of the coastal sea floor. Sidescan-sonar imagery, originally collected by NOAA for charting purposes, provide a fundamental framework for research and management activities along this part of the Massachusetts coastline, show the composition and terrain of the seabed, and provide information on sediment transport and benthic habitat. While acceptable for charting purposes, the original data contained numerous tonal artifacts due to environmental conditions (such as sea state), variable system settings (such as gain changes), attitude variations in the flight path of the towfish, or processing (such as lack of line to line normalization). Many of these artifacts have now been removed by enhancing the imagery to provide a more continuous grayscale GeoTIFF that enhances the true backscatter character and trends of the sea floor. |
| distribution |
[
{
"@type": "dcat:Distribution",
"title": "Digital Data",
"format": "XML",
"accessURL": "http://pubs.usgs.gov/of/2008/1196/html/catalog.html",
"mediaType": "application/http",
"description": "Landing page for access to the data"
},
{
"@type": "dcat:Distribution",
"title": "Original Metadata",
"format": "XML",
"mediaType": "text/xml",
"description": "The metadata original format",
"downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.60434324-5454-45a4-8d07-06c6abfd421a.xml"
}
]
|
| identifier | http://datainventory.doi.gov/id/dataset/USGS_60434324-5454-45a4-8d07-06c6abfd421a |
| keyword |
[
"Atlantic Ocean",
"CMGP",
"Cape Cod",
"Coastal and Marine Geology Program",
"GeoTIFF",
"Great Round Shoal Channel",
"H11079",
"Klein 5000",
"Massachusetts",
"NOAA",
"NOAA Survey H11079",
"Nantucket Sound",
"National Oceanic and Atmospheric Administration",
"North America",
"OFR2008-1196",
"Open-File Report 2008-1196",
"Sidescan Sonar",
"U.S. East Coast",
"U.S. Geological Survey",
"USGS",
"USGS:60434324-5454-45a4-8d07-06c6abfd421a",
"United States",
"WHSC",
"Woods Hole Science Center",
"backscatter",
"distributions",
"enhanced imagery",
"geoscientificInformation",
"grayscale image",
"image mosaics",
"imageryBaseMapsEarthCover",
"marine geophysics",
"oceans",
"physical habitats and geomorphology",
"sea-floor acoustic reflectivity",
"sea-floor characteristics",
"seabed",
"sidescan sonar"
]
|
| modified | 2021-11-11T00:00:00Z |
| publisher |
{
"name": "U.S. Geological Survey",
"@type": "org:Organization"
}
|
| spatial | -69.926485, 41.397068, -69.772676, 41.438558 |
| theme |
[
"Geospatial"
]
|
| title | Enhanced 1-meter Composite Grayscale Image of the Sidescan-Sonar Data From National Oceanic and Atmospheric Administration (NOAA) Survey H11079 of the Sea Floor in Great Round Shoal Channel, Offshore Massachusetts (H11079_UTM19_1MRSSS.TIF, UTM Zone 19) |
