Mapping to be determined
radioactivity_concentration_of_227Th_in_air
"Radioactivity" means the number of radioactive decays of a material per second. "Radioactivity concentration" means radioactivity per unit volume of the medium. "Th" means the element "thorium" and "227Th" is the isotope "thorium-227" with a half-life of 1.82e+01 days.
Climate and Forecast Standard Names