{"thcode":2,"term":{"code":514,"name":"groundwater flow","parent":1667,"scope":"Movement of subsurface water in the saturated zone from areas of recharge to areas of discharge."},"uf":[{"name":"ground-water flow","usewith":false},{"name":"groundwater flow modeling","usewith":false},{"name":"groundwater movement","usewith":false}],"bt":[{"code":1667,"name":"hydrologic processes","parent":101,"scope":null},{"code":101,"name":"biological and physical processes","parent":1174,"scope":"All continuing activities, functions, and phenomena associated with organisms and non-living matter."},{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[{"code":2282,"name":"fluid migration","parent":451,"scope":"Movement or migration of fluids, including petroleum and other chemicals through earth materials by natural or anthropogenic forces."},{"code":513,"name":"groundwater","parent":1308,"scope":"All water that exists beneath the land surface, but more commonly applied to water in fully saturated soils and geologic formations."},{"code":554,"name":"hydrogeology","parent":464,"scope":"Study of subsurface waters and geologic aspects of surface waters."},{"code":1711,"name":"reaction transport","parent":435,"scope":"Chemical reactions occurring during ground-water flow."},{"code":1360,"name":"water cycle","parent":1667,"scope":"Interchange of water among land, oceans, and atmosphere."}]}