{"thcode":2,"term":{"code":812,"name":"ocean circulation","parent":816,"scope":"Movement of large masses of water within an ocean."},"uf":[{"name":"circulation (ocean)","usewith":false}],"bt":[{"code":816,"name":"ocean processes","parent":101,"scope":"Recurrent natural changes that are physical, biological, or chemical, actively affecting the seas and oceans."},{"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":170,"name":"climatology","parent":68,"scope":"Scientific study of the characteristic weather conditions of geographic areas."},{"code":814,"name":"ocean currents","parent":816,"scope":"Recurrent strong flows of seawater generated by wind or variations in water density along a given path."},{"code":818,"name":"ocean sciences","parent":291,"scope":"Sciences involved in the study of geological, biological, chemical, and physical characteristics and processes of the oceans."},{"code":1168,"name":"tides (oceanic)","parent":816,"scope":"The periodic rise and fall of the level of the sea due to the gravitational attraction of the moon and sun. Occurs twice each day."},{"code":1299,"name":"water circulation","parent":1667,"scope":"The flow of water in a body of water due to wind or other forces or variations in density or temperature. Use 'water circulation' for situations that are not specifically covered by narrower terms. Use 'ocean circulation' for water circulation in the oceans."}]}