{"thcode":2,"term":{"code":817,"name":"ocean salinity","parent":810,"scope":"Measure of the percentage of dissolved salts in seawater."},"uf":[],"bt":[{"code":810,"name":"ocean characteristics","parent":287,"scope":"The attributes and process of seas and oceans."},{"code":287,"name":"earth characteristics","parent":1174,"scope":"The measurable, definable properties and features of the earth."},{"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":703,"name":"marine chemistry","parent":1298,"scope":"Branch of chemistry that deals with the properties, composition, structure, and interaction of substances in the seas and oceans."},{"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":1010,"name":"salinity","parent":1304,"scope":"Measure of the concentration of salts dissolved in a solution."}]}