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 consists of three radiometers that measure solar irradiance, indirect sky radiance, and total surface radiance across 19 spectral channels in the 320-1640 nm wavelength range. 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.