Cloud Base Height
Measurement Instruments
Measurement Definition: Height of the bottom surface of the cloud - Physical unit: [ km ] - Accuracy unit: [ km ].
| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
| OLCI | Operational | Marine and land services. | n/a |  |
| OLS | Operational | Day and night cloud cover imagery. | n/a | |
| VIIRS | Operational | Global observations of land, ocean, and atmosphere parameters: cloud/weather imagery, sea-surface temperature, ocean colour, land surface vegetation indices. | n/a | |
| AOLCI | Being developed | Visible and near-infrared hyperspectral radiometer supporting a wide range of Marine, Land, Atmosphere and Climate Services. Provides enhanced continutity of ocean colour and land colour measurements from OLCI and enhanced synergy with ASLSTR | n/a | |
| CPR (EarthCARE) | Being developed | Measurement of cloud properties, light precipitation, vertical motion. | Cloud and precipitation radar | |
| ATLID | Approved | Derivation of cloud and aerosol properties - Measurement of molecular and particle backscatter in Rayleigh, co-polar and cross-polar Mie channels. | n/a | |
| Multiview Thermal-Infared | Approved | Observations of motion occurring at or near Earth’s surface. | n/a | |