The Compact Airborne Spectrographic Imager (CASI) is an airborne push-broom imaging spectrometer developed by Itres Research Ltd. CASI measures reflectance in the visible/near-infrared (VNIR) spectral region, which can be used to derive vegetation characteristics. It operates in the 430-870 nm spectral range and has a 35-degree field of view (FOV). CASI has a cross-track ground resolution of 1.23 m per 1 km altitude above ground level (AGL). The along-track resolution is determined by the integration time and the aircraft speed. CASI has a frame rate of 85 lines per second.
Instrument Details
- Spectrometer/Radiometer
- Earth Science > Biosphere > Vegetation > Vegetation Index > Leaf Area Index (lai)Earth Science > Biosphere > Vegetation > Canopy CharacteristicsEarth Science > Biosphere > VegetationEarth Science > Land Surface > Surface Radiative PropertiesEarth Science > Land Surface > Surface Radiative Properties > Reflectance
- Land Surface, Troposphere
- 85 frames/sec
- 1.23 m per 1 km altitude AGL
- 345-698 THz
- https://doi.org/10.1080/07038992.1992.10855328
Stephen K. Babey
C.D. Anger, Raymond J. Soffer
Itres Research Ltd
Defence Research Establishment, Suffield, Chief Research & Development, Department of National Defence, Canada
Currently unavailable
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