| Represents properties specifying the irradiance of a thing. Irradiance, in physics, is the density of radiant flux incident on a given area, typically measured as a unit of power per unit area (for example watts per square metre). |
| •owl:Thing |
| •SpatioTemporalThing |
| •Quality |
| •PhysicalQuality |
| •ElectromagneticRadiationRelatedQuantity |
| •Irradiance |