GAK_250M_LCC_WGS84.TIF - Gulf of Alaska U.S. EEZ GLORIA sidescan-sonar composite mosaic (LCC, 250 m, WGS84)
The Gulf of Alaska U.S. EEZ GLORIA digital sidescan-sonar mosaic covers about 806,000 square kilometers (sq km) of sea-floor. The mosaic shows the sea-floor morphology from Uminak Pass to Dixon Entrance, from the shelf break seaward to about 400 km. An additional 70-km-wide swath was imaged along th...
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USGS Science Data Catalog
2011
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Online Access: | https://search.dataone.org/view/ddcc6a9e-41b8-4965-861a-1161d9f6f10f |
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dataone:ddcc6a9e-41b8-4965-861a-1161d9f6f10f |
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dataone:ddcc6a9e-41b8-4965-861a-1161d9f6f10f 2024-06-03T18:46:57+00:00 GAK_250M_LCC_WGS84.TIF - Gulf of Alaska U.S. EEZ GLORIA sidescan-sonar composite mosaic (LCC, 250 m, WGS84) U.S. Geological Survey ENVELOPE(-166.3075,-125.48593,60.006664,50.013924) 2011-01-01T00:00:00Z https://search.dataone.org/view/ddcc6a9e-41b8-4965-861a-1161d9f6f10f unknown USGS Science Data Catalog U.S. Geological Survey USGS Coastal and Marine Geology Program CMGP Western Coastal and Marine Geology WCMG Geological LOng-Range Inclined Asdic GLORIA GeoTIFF image grey scale image sidescan-sonar mosaic composite mosaic backscatter acoustic reflectivity marine geology 250-meter Lambert Conformal Conic Exclusive Economic Zone EEZ Infobank identifier F-8-88-AA Infobank identifier F-1-86-GA Infobank identifier F-6-89-GA Infobank identifier F-7-89-EG Infobank identifier F-9-88-WG oceans oceans and estuaries oceans and coastal geoscientificInformation imageryBaseMapsEarthCover Oceans > Ocean Acoustics > Acoustic Reflectivity ACOUSTIC RECEIVERS GLORIA > Geological Long-Range Inclined ASDIC SIDE-SCAN SONAR distributions physical habitats and geomorphology seabed Exclusive Economic Zone (EEZ) sidescan sonar marine geophysics image mosaics sea-floor characteristics sea-floor acoustic reflectivity Alaska Gulf of Alaska Aleutian Trench Aleutian Abyssal Plain Surveyor Channel Chirikof Channel Kodiak-Bowie seamount chain Alaskan Abyssal Plain Yakutat Margin British Columbia Margin Queen Charlotte Fault Ocean > Pacific Ocean Ocean > Pacific Ocean > North Pacific Ocean Ocean > Pacific Ocean > North Pacific Ocean > Gulf Of Alaska Dataset 2011 dataone:urn:node:USGS_SDC 2024-06-03T18:09:56Z The Gulf of Alaska U.S. EEZ GLORIA digital sidescan-sonar mosaic covers about 806,000 square kilometers (sq km) of sea-floor. The mosaic shows the sea-floor morphology from Uminak Pass to Dixon Entrance, from the shelf break seaward to about 400 km. An additional 70-km-wide swath was imaged along the British Columbia margin to follow the trace of the Queen Charlotte Fault south of the Dixon Entrance. Major features visible on the mosaic include continental-margin deformation structures and submarine-channel systems. As in earlier EEZ reconnaissance surveys, the USGS utilized the GLORIA (Geological LOng-Range Inclined Asdic) sidescan-sonar system to complete the geologic mapping. The collected GLORIA data were processed and digitally mosaicked to produce continuous imagery of the sea-floor. A total of 30 digital mosaics with a 50-meter pixel resolution were assembled to complete the Gulf of Alaska overview mosaic. Dataset Kodiak Yakutat Alaska USGS Science Data Catalog (via DataONE) Bowie Seamount ENVELOPE(-135.673,-135.673,53.304,53.304) Dixon Entrance ENVELOPE(-132.003,-132.003,54.416,54.416) Gulf of Alaska Pacific Queen Charlotte ENVELOPE(-132.088,-132.088,53.255,53.255) ENVELOPE(-166.3075,-125.48593,60.006664,50.013924) |
institution |
Open Polar |
collection |
USGS Science Data Catalog (via DataONE) |
op_collection_id |
dataone:urn:node:USGS_SDC |
language |
unknown |
topic |
U.S. Geological Survey USGS Coastal and Marine Geology Program CMGP Western Coastal and Marine Geology WCMG Geological LOng-Range Inclined Asdic GLORIA GeoTIFF image grey scale image sidescan-sonar mosaic composite mosaic backscatter acoustic reflectivity marine geology 250-meter Lambert Conformal Conic Exclusive Economic Zone EEZ Infobank identifier F-8-88-AA Infobank identifier F-1-86-GA Infobank identifier F-6-89-GA Infobank identifier F-7-89-EG Infobank identifier F-9-88-WG oceans oceans and estuaries oceans and coastal geoscientificInformation imageryBaseMapsEarthCover Oceans > Ocean Acoustics > Acoustic Reflectivity ACOUSTIC RECEIVERS GLORIA > Geological Long-Range Inclined ASDIC SIDE-SCAN SONAR distributions physical habitats and geomorphology seabed Exclusive Economic Zone (EEZ) sidescan sonar marine geophysics image mosaics sea-floor characteristics sea-floor acoustic reflectivity Alaska Gulf of Alaska Aleutian Trench Aleutian Abyssal Plain Surveyor Channel Chirikof Channel Kodiak-Bowie seamount chain Alaskan Abyssal Plain Yakutat Margin British Columbia Margin Queen Charlotte Fault Ocean > Pacific Ocean Ocean > Pacific Ocean > North Pacific Ocean Ocean > Pacific Ocean > North Pacific Ocean > Gulf Of Alaska |
spellingShingle |
U.S. Geological Survey USGS Coastal and Marine Geology Program CMGP Western Coastal and Marine Geology WCMG Geological LOng-Range Inclined Asdic GLORIA GeoTIFF image grey scale image sidescan-sonar mosaic composite mosaic backscatter acoustic reflectivity marine geology 250-meter Lambert Conformal Conic Exclusive Economic Zone EEZ Infobank identifier F-8-88-AA Infobank identifier F-1-86-GA Infobank identifier F-6-89-GA Infobank identifier F-7-89-EG Infobank identifier F-9-88-WG oceans oceans and estuaries oceans and coastal geoscientificInformation imageryBaseMapsEarthCover Oceans > Ocean Acoustics > Acoustic Reflectivity ACOUSTIC RECEIVERS GLORIA > Geological Long-Range Inclined ASDIC SIDE-SCAN SONAR distributions physical habitats and geomorphology seabed Exclusive Economic Zone (EEZ) sidescan sonar marine geophysics image mosaics sea-floor characteristics sea-floor acoustic reflectivity Alaska Gulf of Alaska Aleutian Trench Aleutian Abyssal Plain Surveyor Channel Chirikof Channel Kodiak-Bowie seamount chain Alaskan Abyssal Plain Yakutat Margin British Columbia Margin Queen Charlotte Fault Ocean > Pacific Ocean Ocean > Pacific Ocean > North Pacific Ocean Ocean > Pacific Ocean > North Pacific Ocean > Gulf Of Alaska U.S. Geological Survey GAK_250M_LCC_WGS84.TIF - Gulf of Alaska U.S. EEZ GLORIA sidescan-sonar composite mosaic (LCC, 250 m, WGS84) |
topic_facet |
U.S. Geological Survey USGS Coastal and Marine Geology Program CMGP Western Coastal and Marine Geology WCMG Geological LOng-Range Inclined Asdic GLORIA GeoTIFF image grey scale image sidescan-sonar mosaic composite mosaic backscatter acoustic reflectivity marine geology 250-meter Lambert Conformal Conic Exclusive Economic Zone EEZ Infobank identifier F-8-88-AA Infobank identifier F-1-86-GA Infobank identifier F-6-89-GA Infobank identifier F-7-89-EG Infobank identifier F-9-88-WG oceans oceans and estuaries oceans and coastal geoscientificInformation imageryBaseMapsEarthCover Oceans > Ocean Acoustics > Acoustic Reflectivity ACOUSTIC RECEIVERS GLORIA > Geological Long-Range Inclined ASDIC SIDE-SCAN SONAR distributions physical habitats and geomorphology seabed Exclusive Economic Zone (EEZ) sidescan sonar marine geophysics image mosaics sea-floor characteristics sea-floor acoustic reflectivity Alaska Gulf of Alaska Aleutian Trench Aleutian Abyssal Plain Surveyor Channel Chirikof Channel Kodiak-Bowie seamount chain Alaskan Abyssal Plain Yakutat Margin British Columbia Margin Queen Charlotte Fault Ocean > Pacific Ocean Ocean > Pacific Ocean > North Pacific Ocean Ocean > Pacific Ocean > North Pacific Ocean > Gulf Of Alaska |
description |
The Gulf of Alaska U.S. EEZ GLORIA digital sidescan-sonar mosaic covers about 806,000 square kilometers (sq km) of sea-floor. The mosaic shows the sea-floor morphology from Uminak Pass to Dixon Entrance, from the shelf break seaward to about 400 km. An additional 70-km-wide swath was imaged along the British Columbia margin to follow the trace of the Queen Charlotte Fault south of the Dixon Entrance. Major features visible on the mosaic include continental-margin deformation structures and submarine-channel systems. As in earlier EEZ reconnaissance surveys, the USGS utilized the GLORIA (Geological LOng-Range Inclined Asdic) sidescan-sonar system to complete the geologic mapping. The collected GLORIA data were processed and digitally mosaicked to produce continuous imagery of the sea-floor. A total of 30 digital mosaics with a 50-meter pixel resolution were assembled to complete the Gulf of Alaska overview mosaic. |
format |
Dataset |
author |
U.S. Geological Survey |
author_facet |
U.S. Geological Survey |
author_sort |
U.S. Geological Survey |
title |
GAK_250M_LCC_WGS84.TIF - Gulf of Alaska U.S. EEZ GLORIA sidescan-sonar composite mosaic (LCC, 250 m, WGS84) |
title_short |
GAK_250M_LCC_WGS84.TIF - Gulf of Alaska U.S. EEZ GLORIA sidescan-sonar composite mosaic (LCC, 250 m, WGS84) |
title_full |
GAK_250M_LCC_WGS84.TIF - Gulf of Alaska U.S. EEZ GLORIA sidescan-sonar composite mosaic (LCC, 250 m, WGS84) |
title_fullStr |
GAK_250M_LCC_WGS84.TIF - Gulf of Alaska U.S. EEZ GLORIA sidescan-sonar composite mosaic (LCC, 250 m, WGS84) |
title_full_unstemmed |
GAK_250M_LCC_WGS84.TIF - Gulf of Alaska U.S. EEZ GLORIA sidescan-sonar composite mosaic (LCC, 250 m, WGS84) |
title_sort |
gak_250m_lcc_wgs84.tif - gulf of alaska u.s. eez gloria sidescan-sonar composite mosaic (lcc, 250 m, wgs84) |
publisher |
USGS Science Data Catalog |
publishDate |
2011 |
url |
https://search.dataone.org/view/ddcc6a9e-41b8-4965-861a-1161d9f6f10f |
op_coverage |
ENVELOPE(-166.3075,-125.48593,60.006664,50.013924) |
long_lat |
ENVELOPE(-135.673,-135.673,53.304,53.304) ENVELOPE(-132.003,-132.003,54.416,54.416) ENVELOPE(-132.088,-132.088,53.255,53.255) ENVELOPE(-166.3075,-125.48593,60.006664,50.013924) |
geographic |
Bowie Seamount Dixon Entrance Gulf of Alaska Pacific Queen Charlotte |
geographic_facet |
Bowie Seamount Dixon Entrance Gulf of Alaska Pacific Queen Charlotte |
genre |
Kodiak Yakutat Alaska |
genre_facet |
Kodiak Yakutat Alaska |
_version_ |
1800873771717885952 |