{"thcode":2,"term":{"code":440,"name":"geodesy","parent":470,"scope":"Branch of science dealing with measuring the earth or large areas of the earth for making maps, determining the size and shape of the earth, and correlating gravitational, geological, and magnetic surveys of the earth."},"uf":[],"bt":[{"code":470,"name":"geophysics","parent":291,"scope":"Branch of geology studying the physical characteristics and phenomena of the earth and its atmosphere."},{"code":291,"name":"earth sciences","parent":1019,"scope":"Broad term for all science related to the study of the earth."},{"code":1019,"name":"sciences","parent":1,"scope":"Major educational fields, fields of study, and professional groupings within USGS."},{"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":447,"name":"geography","parent":291,"scope":"Study of the earth's landforms, topography, and climate, the distribution of flora and fauna, and the distribution, culture, and activities of human populations."},{"code":627,"name":"land surveying","parent":450,"scope":"Determining property boundaries, land area, elevations, and locations of features on the surface of the land by calculations based on the instrumental measurements of angles and distances or by use of global positional satellites."}]}