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/90e7fd13-2da2-4ba6-9e0c-dbecdf7c2215 ULTRAVIOLET RADIATION Date=2021-03-04 User Id=tstevens Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=Electromagnetic radiation of shorter wavelength than visible radiation but longer than x-rays. Radiation in the interval 10 to 4000 angstroms. UV radiation from the sun is responsible for many photochemical ractions in the upper atmosphere especially the formation of ozone. UV-B radiation in the range 280-320 nm can possibly have serious health effects on humans and animals. New Value=Electromagnetic radiation of shorter wavelength than visible radiation but longer than x-rays. Radiation in the interval 10 to 4000 angstroms. UV radiation from the sun is responsible for many photochemical ractions in the upper atmosphere especially the formation of ozone. UV-B radiation in the range 280-320 nm can possibly have serious health effects on humans and animals. Date=2021-03-04 User Id=tstevens Entity=Definition Operation=UPDATE Field=reference System Note=update Definition Old Value=Huschke, R.E., ed. 1959. Glossary of Meteorology, American Meteorological Society, Boston, MA. Maunder, W.J. 1994. Dictionary of Global Climate Change, 2nd ed. Chapman and Hall, NY. New Value=Huschke, R.E., ed. 1959. Glossary of Meteorology, American Meteorological Society, Boston, MA. Maunder, W.J. 1994. Dictionary of Global Climate Change, 2nd ed. Chapman and Hall, NY. Date=2021-02-26 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=ULTRAVIOLET RADIATION [90e7fd13-2da2-4ba6-9e0c-dbecdf7c2215,85405] - UV SPECTRAL [782b60de-9ac2-4e6c-9dfa-cd52c4cf1ea0,560886] Electromagnetic radiation of shorter wavelength than visible radiation but longer than x-rays. Radiation in the interval 10 to 4000 angstroms. UV radiation from the sun is responsible for many photochemical ractionsin the upper atmosphere especially the formation of ozone. UV-B radiation in the range 280-320 nm can possibly have serious health effects on humans and animals. 2021-03-04 08:04:23.0