https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 24.9 2026-09-30T10:52:06.201Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/78fb5691-136d-40f8-a834-6e6f4cd768ff 2018-03-07 COPPER Date=2018-03-07 User Id=tstevens Entity=Definition Operation=INSERT System Note=insert Definition New Value=id: null text: A chemical element that is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a reddish-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantly used in strain gauges and thermocouples for temperature measurement. language code: en Date=2018-03-07 User Id=tstevens Entity=BroaderRelation Operation=INSERT User Note=Insert Concept System Note=add broader relation New Value=COPPER [78fb5691-136d-40f8-a834-6e6f4cd768ff,310657] - CONTAMINANTS [42c6d91b-afef-4638-95c5-0d130828b2e7,84623] A chemical element that is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a reddish-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantly used in strain gauges and thermocouples for temperature measurement. 2018-03-07 09:23:58.0