| Detailed Measurement | Description* | Instruments | Timeline |
| Black and White Sky Albedo | The directional albedo or directional-hemispherical reflectance (also called black-sky albedo) is the integration of the bi-directional reflectance over the viewing hemisphere. It assumes all energy is coming from a direct radiation from the sun and is computed for a specific time. The hemispherical albedo or bi-hemispherical reflectance (also called white-sky albedo) is the integration of the directional albedo over the illumination hemisphere. It assumes a complete diffuse illumination. | 0 instruments |  |
Earth surface albedo
Link:   | Hemispherically integrated reflectance of the Earth’s surface in the range 0.4-0.7 µm (or other specific short-wave ranges) - Physical unit: [ % ] - Accuracy unit: [ % ]. | 76 instruments | |
Fire radiative power
Link: | Power radiated by the fire occurring within an area. Physical unit [ kW*m-2 ], Accuracy unit [ kW*m-2 ] | 1 instrument | |
Fraction of Absorbed PAR (FAPAR)
Link: | Fraction of PAR absorbed by vegetation (land or marine) for photosynthesis processes (generally around the “red”) - Physical unit [ % ], Accuracy unit [ % ] | 15 instruments | |
| Photosynthetically Active Radiation (PAR) | Flux of downwelling photons of wavelength 0.4-0.7 µm at surface - Physical unit: [ µ einstein ٠ m-2 s-1 ] (1 einstein = 6 ٠ 1023 photons); most frequently used: [ W/m2 ] - Accuracy unit: [ W/m2 ]. | 8 instruments | |
| Snow albedo | Hemispherically integrated reflectance of the snow mantle in the range 0.4-0.7 µm (or other specific short-wave ranges) - Physical unit: [ % ] - Accuracy unit: [ % ]. | 0 instruments | |