https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.8 2026-04-29T10:52:37.449Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/c3b81888-8a39-4b3f-8033-4c077797bcba ATMOSPHERIC CARBON DIOXIDE Date=2021-02-26 User Id=tstevens Entity=PrefLabel Operation=UPDATE Field=text System Note=update PrefLabel Old Value=CARBON DIOXIDE New Value=ATMOSPHERIC CARBON DIOXIDE Date=2021-02-26 User Id=tstevens Entity=Definition Operation=UPDATE Field=reference System Note=update Definition Old Value=Houghton, J. 1997. Global Warming: The Complete Briefing, 2nd. ed. Cambridge University Press, Cambridge, UK. Maunder, W.J. 1994. Dictionary of Global Climate Change, 2nd ed. Chapman and Hall, NY. New Value=Houghton, J. 1997. Global Warming: The Complete Briefing, 2nd. ed. Cambridge University Press, Cambridge, UK. Maunder, W.J. 1994. Dictionary of Global Climate Change, 2nd ed. Chapman and Hall, NY. Date=2021-02-26 User Id=tstevens Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=One of the major greenhouse gases. Human-generated carbon dioxide is caused mainly by the burning of fossil fuels and deforestation. The chemical formula for carbon dioxide is CO2. Long-term measurements of CO2 in the atmosphere are conducted at Manua Loa, Hawaii and several international monitoring stations around the world. New Value=One of the major greenhouse gases. Atmospheric carbon dioxide is caused mainly by the burning of fossil fuels and deforestation. The chemical formula for carbon dioxide is CO2. Long-term measurements of CO2 in the atmosphere are conducted at Manua Loa, Hawaii and several international monitoring stations around the world. Date=2021-02-26 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=ATMOSPHERIC CARBON DIOXIDE [c3b81888-8a39-4b3f-8033-4c077797bcba,83947] - CARBON DIOXIDE SURFACE [194d8a3c-9cdd-45f3-8b4c-ce7830d9df46,560866] Date=2021-02-26 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Move Concepts System Note=add narrower relation New Value=ATMOSPHERIC CARBON DIOXIDE [c3b81888-8a39-4b3f-8033-4c077797bcba,83947] - CARBON DIOXIDE PROFILES [03ddc432-906d-4469-bb00-179c828dbea4,560865] Date=2021-02-26 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=ATMOSPHERIC CARBON DIOXIDE [c3b81888-8a39-4b3f-8033-4c077797bcba,83947] - PARTIAL PRESSURE OF CARBON DIOXIDE [a65cfcfa-1028-4cc8-a4d5-9e78f487a612,560864] One of the major greenhouse gases. Atmospheric carbon dioxide is caused mainly by the burning of fossil fuels and deforestation. The chemical formula for carbon dioxide is CO2. Long-term measurements of CO2 in the atmosphere are conducted at Manua Loa, Hawaii and several international monitoring stations around the world. 2021-02-26 08:41:33.0