CEOS EO HANDBOOK – INSTRUMENT SUMMARY - CAPI2 -
Full Name Cloud and Aerosol Polarization Imager 2 Status Being developed
Instrument Agencies SARI Maturity Low Heritage
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry
Instrument Technology Multi-channel/direction/polarisation radiometer Sampling Imaging
Data Access Data Format
Measurements and Applications Measures aerosol and cloud.
Resolution Summary
Swath Summary Swath width :>600km, Footprint: <0.5km
Accuracy Summary Radiometric calibration: <5%, Polarization calibration:<2%, SNR:>500.
Waveband Summary Bands: 0.38µm, 0.67µm, 0.87µm, 1.375µm, 1.64µm. Polarization: (0.67µm, 0 degree), (0.87µm, 60 degree), (1.64µm, 120 degree).
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
AerosolsAerosol absorption optical depth (column/profile)
Cloud type, amount and cloud top temperatureCloud imagery
Instrument Missions
TANSAT-2 - Chinese Carbon Dioxide Observation Satellite Constellation (2025 - 2027)