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GMX_Q09.TIF - U.S. Gulf of Mexico EEZ GLORIA sidescan-sonar data mosaic (9 of 16) (ACEA, 50 m, Clarke1866)

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: July 18, 2025 | Last Modified: 20211111
During February 1982 and again from August 7 to October 22, 1985 the U.S. Geological Survey (USGS) conducted four cruises to cover the U.S. Gulf of Mexico Continental Margin Exclusive Economic Zone (EEZ) seaward of the continental shelf edge. 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 seafloor. A total of 16 digital mosaics of a 2 degree by 2 degree (or smaller) area with a 50-meter pixel resolution were completed for the Gulf of Mexico region.

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ACOUSTIC RECEIVERS CMGP Coastal and Marine Geology Program Continental/Island Rise Continental/Island Slope EEZ Exclusive Economic Zone Exclusive Economic Zone (EEZ) Florida Escarpment Floridian Ecoregion GLORIA GLORIA > Geological Long-Range Inclined ASDIC GeoTIFF image Geological LOng-Range Inclined Asdic Gulf of Mexico Infobank identifier F-1-85-GM Infobank identifier F-2-85-GM Infobank identifier F-3A-85-GM Infobank identifier F-7-82-GM Marine Basin Floor Marine Oceanic Mississippi Canyon and Fan Northern Gulf of Mexico Ecoregion Ocean > Atlantic Ocean Ocean > Atlantic Ocean > North Atlantic Ocean Ocean > Atlantic Ocean > North Atlantic Ocean > Gulf Of Mexico Oceans > Ocean Acoustics > Acoustic Reflectivity SIDE-SCAN SONAR Sigsbee Escarpment U.S. Geological Survey USGS USGS:52e79425-139e-465c-a9b7-205e9cb88c36 WHSC WHSC cruise identifier 82FARN-7 WHSC cruise identifier FRNL 85 LEG 1 WHSC cruise identifier FRNL 85 LEG 2 WHSC cruise identifier FRNL 85 LEG 3 WHSC serial number 82005 WHSC serial number 85027 WHSC serial number 85028 WHSC serial number 85034 Woods Hole Science Center acoustic reflectivity backscatter continental margin continental rise continental shelf continental slope distributions geoscientificInformation grey scale image image mosaics imageryBaseMapsEarthCover marine geology marine geophysics oceans physical habitats and geomorphology sea-floor acoustic reflectivity sea-floor characteristics seabed sidescan sonar sidescan-sonar mosaic

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