{"thcode":2,"term":{"code":1671,"name":"dredging","parent":548,"scope":"Removal of sediments from water bodies to aid navigation or to transfer material to another location."},"uf":[],"bt":[{"code":548,"name":"human impacts","parent":1174,"scope":"The effects, intentional or unintentional, beneficial or harmful, direct or indirect, which human activities have upon the environment and living things."},{"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":2047,"name":"beach nourishment","parent":776,"scope":"Transfer of sand from offshore areas to resupply beach areas that have been eroded."},{"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."}]}