THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - EPIC -
Full Name Earth Polychromatic Imaging Camera Status Operational
Instrument Agencies NASA, NOAA Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Nadir-viewing
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Imaging
Data Access Open Access Data Format HDF5
Measurements and Applications Diurnal measurements of ozone, sulfur dioxide, UV surface radiation, clouds, aerosols and vegetation.
Resolution Summary 10-20 km
[Best Resolution: 25000m]
Swath Summary Whole Earth
Accuracy Summary
Waveband Summary 317 - 780 nm in 10 channels
UV (~0.01 µm - ~0.40 µm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
CategoryParameterAccuracy
AerosolsAerosol optical depth (LT, HT, HS&M)1 [%]
Albedo and reflectancePhotosynthetically Active Radiation (PAR) 
Cloud particle properties and profileCloud optical depth 
Cloud type, amount and cloud top temperatureCloud cover 
Cloud top height 
OzoneOzone profile 
Trace gases (excluding ozone)Atmospheric Chemistry - SO2 (LT, HT) 
VegetationLeaf Area Index (LAI) 
Vegetation Canopy (cover) 
Instrument Missions
DSCOVR - Deep Space Climate Observatory (2015 - 2020)
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