ODM2 Units Type Controlled Vocabulary ODM2 Working Group A vocabulary for describing the type of the Unit or the more general quantity that the Unit represents. Power per area A general term for heat flow rate per unit area, power per unit area, irradiance, radient emmitance, and radiosity. All these terms are sometimes referred to as "intensity." Mechanics QUDT http://qudt.org/vocab/quantity#Powerperarea