ALI Instrument

Measurements and Applications

Measures profiles of aerosol extinction and effective radius in the mid-upper troposphere and stratosphere in limb viewing geometry using scattered sunlight in narrow spectral bands in the visible and near infrared.

Instrument Summary

Full Name
Aerosol Limb Imager
Status
Being developed
Instrument Agencies
CSA, NASA, ECCC, USask, UQAM
Maturity
Instrument Type
High resolution optical imagers
Geometry
Limb-scanning
Instrument Technology
High resolution optical imager
Sampling
Sounding
Data Access
Open Access
Data Format

Performance Summary

Resolution
 0.25 km vertical resolution
Swath
200 km swath
Accuracy
Waveband
10 bands in the 610 - 1560 nm wavelength range
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)

Instrument Missions

HAWCSat - High-altitude Aerosols, Water vapour and Clouds sa (2031 - 2036)

Instrument Measurements