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Federal
Polygons of global undersea features for geographic searches
Department of the Interior —
A shapefile of 311 undersea features from all major oceans and seas has been created as an aid for retrieving georeferenced information resources. Version 1.1 of the... -
Federal
Global compilation of published gas hydrate-related bottom simulating reflections
Department of the Interior —
Bottom simulating reflections (BSRs) are seismic features that are imaged in marine sediments using high-energy, impulsive seismic sources such as air guns or... -
Federal
Preliminary global database of known and inferred gas hydrate locations
Department of the Interior —
For more than 25 years, the U.S. Geological Survey Gas Hydrates Project has compiled and maintained an internal database of locations where the existence of gas...