THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – INSTRUMENT SUMMARY - HARP-2 -
Full Name Hyper-Angular Rainbow Polarimeter Status Being developed
Instrument Agencies NASA, UMD Maturity
Instrument Type Multiple direction/polarisation radiometers Geometry Nadir-viewing
Instrument Technology Multi-channel/direction/polarisation radiometer Sampling Imaging
Data Access Open Access Data Format
Measurements and Applications Polarimeter for measuring aerosol optical properties, clouds and aerosol types.
Resolution Summary 3.0 km
[Best Resolution: 3000m]
Swath Summary Wide swath ±47°.
Accuracy Summary
Waveband Summary 440, 550, 670 & 870nm bands
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
CategoryParameterAccuracy
AerosolsAerosol absorption optical depth (column/profile) 
Instrument Missions
PACE - Plankton, Aerosol, Cloud, ocean Ecosystem (2022 - 2025)
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