{"thcode":2,"term":{"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."},"uf":[{"name":"flood stage","usewith":false},{"name":"fluvial processes","usewith":false},{"name":"gage height","usewith":false},{"name":"stream current","usewith":false},{"name":"stream flow","usewith":false},{"name":"stream stage","usewith":false},{"name":"streamflow data","usewith":{"code":235,"name":"datasets","parent":808,"scope":"Digital information in a format suitable for direct input to software that can analyze its meaning in the scientific, engineering, or business context for which the data were collected."}},{"name":"streamflow modeling","usewith":{"code":713,"name":"mathematical modeling","parent":2285,"scope":"Operational representation of a system in which the characteristics and behaviors of the component processes, phenomena, or objects, understood using mathematical relationships, are represented by numerical values (measured or hypothetical), so that calculations carried out using them return numerical estimates of system parameters that were not measured directly."}}],"bt":[{"code":1667,"name":"hydrologic processes","parent":101,"scope":null},{"code":101,"name":"biological and physical processes","parent":1174,"scope":"All continuing activities, functions, and phenomena associated with organisms and non-living matter."},{"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":[{"code":998,"name":"stream discharge","parent":1113,"scope":"Volume of water in a stream passing a given point at a given moment in time, expressed as a measure of volume per unit of time, i.e. cubic feet per second, million gallons per day, or gallons per minute."},{"code":1377,"name":"turbidity","parent":1113,"scope":"Cloudiness in the water column, caused by the presence of suspended and dissolved matter such as clay, silt, organic matter, or plankton."}],"rt":[{"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."},{"code":1116,"name":"stream-gage measurement","parent":375,"scope":"Use of specialized instruments designed for observing, checking, and recording the water discharge that occurs in a natural channel."},{"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":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."},{"code":1299,"name":"water circulation","parent":1667,"scope":"The flow of water in a body of water due to wind or other forces or variations in density or temperature. Use 'water circulation' for situations that are not specifically covered by narrower terms. Use 'ocean circulation' for water circulation in the oceans."},{"code":1318,"name":"watershed management","parent":776,"scope":"Controlling and directing the resources and activities associated with the land and streams of a drainage basin to maintain the supply and quality of water and prevent floods, erosions, and other destructive conditions."}]}