ODM2 Variable Name Controlled Vocabulary ODM2 Working Group A vocabulary for describing the name of Variables. Absorbance, ultraviolet Absorbance of ultraviolet light at a specified wavelength, typically at 254 or 280 nm for water samples. Not normalized to DOC concentration like variables such as SUVA280. Wikipedia https://en.wikipedia.org/wiki/Specific_ultraviolet_absorbance Added to support Critical Zone Observatory (CZO) data use cases.