{"thcode":2,"term":{"code":1743,"name":"surface-water level","parent":1124,"scope":"Height of the water surface in a lake, reservoir, or wetland. For water levels in flowing streams, refer to streamflow."},"uf":[],"bt":[{"code":1124,"name":"surface water (non-marine)","parent":1308,"scope":"Open bodies of water, such as lakes, rivers, or streams.  All non-marine waters on the  surface of the earth, including fresh, brackish, and salt water."},{"code":1308,"name":"water resources","parent":777,"scope":"Stocks of water, the liquid derived from precipitation. A constituent of living matter and necessity for all life, it covers a large proportion of the earth's surface."},{"code":777,"name":"natural resources","parent":1174,"scope":"Stocks of anything naturally occurring that have a beneficial use for man including economic, nutritional, recreational, aesthetic, and other benefits."},{"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":1344,"name":"groundwater level","parent":513,"scope":"Depth in a well or aquifer at which groundwater occurs."},{"code":1113,"name":"streamflow","parent":1667,"scope":"A type of channel flow, applied to a specific part of surface runoff in a stream, whether or not it is affected by diversion or regulation."}]}