{"thcode":2,"term":{"code":1727,"name":"doppler radar imaging","parent":948,"scope":"Exploitation of the doppler effect in radar imaging to determine speed of airborne objects such as birds, butterflies, and clouds."},"uf":[{"name":"radar ecology","usewith":{"code":921,"name":"population and community ecology","parent":1174,"scope":"Interactions of a single species (population) or an association of different species (community) occupying a particular region, including their biotic and abiotic environments."}}],"bt":[{"code":948,"name":"radar imaging","parent":981,"scope":"A remote sensing technique which uses the reflection of pulsed high frequency radio waves to determine the speed, direction, and distance of faraway objects."},{"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":[]}