CEOS EO HANDBOOK – INSTRUMENT SUMMARY - HARP2 -
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 netCDF
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
Measurements Overview
CategoryParameter
AerosolsAerosol effective radius (column/profile)
Aerosol Single Scattering Albedo
Cloud particle properties and profileCloud liquid water (column/profile)
Cloud ice (column/profile)
Cloud type, amount and cloud top temperatureCloud top height
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
Instrument Missions
PACE - Plankton, Aerosol, Cloud, ocean Ecosystem (2024 - 2027)