Preferred term
radiation measure
Definition
- [Henderson's] n. (1) emission of radiant energy in the form of waves or particles; (2) energy radiated in the form of waves or particles, e.g. electromagnetic radiation (radio waves, infrared, visible light, ultraviolet, X-rays and gamma rays) or emissions from radioactive sources (e.g. beta rays). Often refers esp. to that radiation potentially harmful to living organisms, e.g. ionizing radiation (e.g. X- and gamma rays and streams of α- and β-particles, emitted from radioactive elements); (3) (evol.) the relatively rapid increase in numbers of new species of a particular type of animal or plant and their diversification and spread into many new habitats, e.g. the mammalian radiation that occurred after the end of the Cretaceous period when most present-day types of mammals arose.
Broader concept
Scope note
- US LTER controlled vocabulary
Creator
- herbert.schentz@umweltbundesamt.at
In other languages
French
- rayonnement
URI
http://vocabs.lter-europe.net/EnvThes/USLterCV_454