{"thcode":2,"term":{"code":1028,"name":"sea-level change","parent":810,"scope":"Variation in the relative vertical position of land and ocean waters. Caused globally by changes in the distribution of ice masses and the shape of the oceans, and locally by the rate of uplift or subsidence of the land surface.  Includes both global (eustatic) and local (relative) sea-level variations."},"uf":[{"name":"sea level change","usewith":false},{"name":"sea level rise","usewith":false},{"name":"sea-level rise","usewith":false}],"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":170,"name":"climatology","parent":68,"scope":"Scientific study of the characteristic weather conditions of geographic areas."},{"code":485,"name":"effects of climate change","parent":1174,"scope":"Characteristics and behaviors of organisms and earth systems that are modified as a result of changes in global, regional, or local climate."},{"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."}]}