CEOS EO HANDBOOK – INSTRUMENT SUMMARY - DPC-2 -
Full Name Directional Polarization Camera - 2 Status Operational
Instrument Agencies CNSA Maturity Low Heritage
Instrument Type Atmospheric chemistry Geometry TBD
Instrument Technology Medium-resolution spectro-radiometer Sampling Imaging
Data Access Data Format
Measurements and Applications To measure aerosol and cloud microphysical parameters and the Bidirectional Reflectance Distribution Function (BRDF)
Resolution Summary 3.5 km at the s.s.p.
[Best Resolution: 3500m]
Swath Summary 2400 km
[Max Swath: 2400 km]
Accuracy Summary 1 ppm
Waveband Summary Central wavelengths: 443 nm, 490 nm, 565 nm, 670 nm, 765 nm, 768 nm, 865 nm, 910 nm. All have 20 nm bandwidth, except 765 nm and 865 nm bands, which have 40 nm bandwidth.
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
AerosolsAerosol optical depth (column/profile)
Aerosol effective radius (column/profile)
Volcanic ash
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Aerosols properties click here click here search ECV Inventory records
Instrument Missions
DQ-1 - Daqi-1 (2022 - 2030)