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Arctic

U.S. Gulf of Mexico Internet Map Server

Dataset Summary

Agency	Coastal and Marine Geology Program
Sub-Agency/Organization
Category	Geological and Geophysical
Date Released	20040606
Date Updated
Time Period	1982 - 2001
Frequency	As needed
Description	In 1984, the U.S. Geological Survey (USGS), Coastal and Marine Geology Program (CMGP), began a program to map the areas of the U.S. Exclusive Economic Zone (EEZ). To accomplish the mapping of the deepwater portion (depths greater than 400m) of the EEZ, the USGS selected the long-range sidescan sonar system GLORIA (Geological LOng-Range Inclined Asdic). GLORIA creates images that are a record of the acoustic backscatter from the ocean floor and was developed specifically to map the morphology and texture of seafloor features in the deep ocean. The GLORIA imagery provides a broad-scale view of sea-floor features and the effects of sedimentary processes that had been previously unknown.

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Dataset Information

Data.gov Data Category Type	Geodata
Specialized Data Category Designation	Geospatial
Keywords	General, oceans, GLORIA sidescan sonar data, GLORIA sidescan sonar imagery, Geologic Long-Range Inclined Asdic, GLORIA, U.S. Geological Survey, USGS, Coastal and Marine Geology Program, CMGP, Earth Science, geology, geoscientific information, environment, Exclusive Economic Zone, EEZ, sidescan sonar, sidescan sonar mosaics, GLORIA geology interpretation, GLORIA geologic interpretation, U.S. geology, bathymetry contours, Coastal Vulnerability Index, cvi, coastal erosion, framework geology, surficial sediments, grain-size data, GLORIA mapping program, lease blocks, debris-flow deposits, depositional lobes, meandering channel, salt deformation province, salt domes and basins, seafloor interpretation, ISO 19115 Topic Category, oceans and estuaries, geoscientificInformation, General, U.S. Gulf of Mexico, United States, Exclusive Economic Zone, EEZ, continental shelf, continental slope, continental rise, West Florida Shelf, Mississippi Fan, Mississippi Canyon, Florida Escarpment, Sigsbee Escarpment
Unique ID	7B4BCE3C-3AE6-099A-A723-5595F75F8C97

Contributing Agency Information

Citation	U.S. Geological Survey
Agency Program Page
Agency Data Series Page	http://coastalmap.marine.usgs.gov/ArcIms/Website/usa/gomex/gloria/

Dataset Coverage

Unit of Analysis
Granularity
Geographic Coverage	-98.5, -79.5, 31.75, 22.5

Data Description

Collection Mode
Data Collection Instrument
Data Dictionary/Variable List

Additional Dataset Documentation

Technical Documentation
Additional Metadata	XML Format

OMB Control No. 3090-0284