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
Measurements Overview
CategoryParameter
AerosolsAerosol optical depth (LT, HT, HS&M)
Albedo and reflectancePhotosynthetically Active Radiation (PAR)
Cloud particle properties and profileCloud optical depth
Cloud type, amount and cloud top temperatureCloud cover
Cloud top height
OzoneO3 Mole Fraction
Trace gases (excluding ozone)SO2 Mole Fraction
VegetationLeaf Area Index (LAI)
Vegetation Canopy (cover)
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
Cloud Properties click here click here search ECV Inventory records
Leaf Area Index (LAI) click here click here search ECV Inventory records
Ozone click here click here search ECV Inventory records
Instrument Missions
DSCOVR - Deep Space Climate Observatory (2015 - 2026)