{"thcode":2,"term":{"code":607,"name":"irrigation","parent":1313,"scope":"Artificial application of water on lands to assist in the growing of crops and pastures or to maintain vegetative growth in recreational lands such as parks and golf courses."},"uf":[{"name":"flood irrigation","usewith":false},{"name":"microirrigation","usewith":false},{"name":"spray irrigation","usewith":false}],"bt":[{"code":1313,"name":"water use","parent":1311,"scope":"Water withdrawal for a specific purpose, such as domestic use, irrigation, or industrial processing."},{"code":1311,"name":"water supply and demand","parent":1174,"scope":"The quantities of water resources in an area that are easily available and the amount of water that is needed for all uses."},{"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":550,"name":"hydraulic engineering","parent":339,"scope":"Branch of engineering which applies the physical properties of fluids, such as flow and pressure, to the design and use of machinery, pumps, pipelines, etc."},{"code":560,"name":"hydrology","parent":291,"scope":"Branch of earth science that deals with water as it occurs in the atmosphere, on the surface of the ground, and underground."}]}