THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name Environment Monitoring Instrument Status Operational
Instrument Agencies CNSA Maturity Low Heritage
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Push-broom scanning
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Data Format
Measurements and Applications Environment Monitoring Instrument
Resolution Summary Spatial resolution: >48km (perpendicular to track) * 13km (along track), SNR: >200@UV, >312nm (Radiance=1.27µW/cm2·sr-1·nm-1), >2000@VIS(Radiance=10.89µW/cm2·sr-1·nm-1)
Swath Summary FOV: 114 degree(cross track). < 48km (perpendicular to track) × 13km (along track).
[Max Swath: 48 km]
Accuracy Summary Radiometric calibration accuracy: absolute accuracy=5%, relative accuracy=3%, Spectral calibration accuracy>0.05nm. Dynamic range : 10^6.
Waveband Summary Spectral range: 240-710nm (470nm), Spectral resolution: 0.3-0.5nm
Instrument Measurements
Measurements Overview
Trace gases (excluding ozone)NO (column/profile)
NO2 Mole Fraction
BrO (column/profile)
ClO (column/profile)
SO2 Mole Fraction
HCHO Mole Fraction
NO2 Total Column
SO2 Total Column
HCHO Total Column
Instrument Missions
GF-5 - Gaofen-5 (2018 - 2026)
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