C-AIR
Coastal Airborne In Situ Radiometers

The Coastal Airborne In Situ Radiometers (C-AIR) is an airborne suite of radiometers developed by Biospherical Instruments. It comprises three radiometers that measure solar irradiance, diffuse sky radiance, and total surface radiance across 19 spectral channels spanning 320-1640 nm. C-AIR has a spectral resolution of 10 nm, a sampling rate of 15 Hz, and a spatial resolution of 3.5 m. It is typically used to collect measurements over coastal waters.