{"thcode":3,"term":{"code":757,"name":"oceans","parent":1015,"scope":"Continuous salt-water bodies that surround the continents and fill the Earth's great depressions. [Adapted from Glossary of Geology, 4th ed.]"},"uf":[],"bt":[{"code":1015,"name":"seas","parent":525,"scope":"Large bodies of salt water. [USGS Feature Class Definitions <http:\/\/geonames.usgs.gov\/domestic\/feature_class.htm>]"},{"code":525,"name":"hydrographic features","parent":1,"scope":"For natural bodies of water. For constructed waterways, reservoirs, and such, use 'hydrographic structures'."},{"code":1,"name":"Categories","parent":null,"scope":null}],"nt":[{"code":753,"name":"ocean currents","parent":757,"scope":"Broadly, currents in the ocean - tidal or nontidal, permanent or seasonal, horizontal or vertical - characterized by regularity, either as a continuous streams flowing along a definable path, or less commonly of a cyclic nature. [Glossary of Geology, 4th ed.]"},{"code":755,"name":"ocean regions","parent":757,"scope":"Use for sub-regions of oceans and seas."}],"rt":[]}