{"thcode":2,"term":{"code":648,"name":"lidar","parent":981,"scope":"Light detection and ranging, an airborne, spaceborne or ground-based laser-ranging technique commonly used for acquiring high-resolution topographic data."},"uf":[{"name":"LIDAR images","usewith":{"code":575,"name":"image collections","parent":808,"scope":"Visible representations of objects or earth properties produced by cameras, spectral instruments, or as graphical representations of measurements."}}],"bt":[{"code":981,"name":"remote sensing","parent":734,"scope":"Acquiring information about a natural feature or phenomenon, such as the Earth's surface, without actually being in contact with it. USGS remote sensing is usually carried out with airborne or spaceborne sensors or cameras."},{"code":734,"name":"methods","parent":1,"scope":"Techniques, methods, procedures, or strategies for research, management, collection, or analysis of scientific information in 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":556,"name":"elevation-derived hydrography","parent":555,"scope":"A digital representation of surface water features and water flow patterns, created from elevation data and landscape classifications that identify channels and depressions that hold and move water."},{"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":1176,"name":"topography","parent":287,"scope":"Configuration of the land surface and sea floor."}]}