CEOS EO HANDBOOK – INSTRUMENT SUMMARY - CLARREO Pathfinder Reflected Solar -
Full Name CLARREO Pathfinder - RS Status Being developed
Instrument Agencies NASA Maturity
Instrument Type Hyperspectral imagers Geometry Push-broom scanning
Instrument Technology Multi-purpose imaging Vis/IR radiometer Sampling Other
Data Access Open Access Data Format HDF5
Measurements and Applications Demonstration of high accuracy SI-traceable calibration within 350-2300 nm spectral range; demonstration of ability to transfer this calibration to other Earth observing instruments.
Resolution Summary 500 m.
Swath Summary 10 deg (70 km).
Accuracy Summary Absolute uncertainty goal is 0.3% (k=1) in reflectance.
Waveband Summary 350 to 2300 nm at 3-nm sampling interval with 6-nm resolution.
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
Radiation budgetUpward short-wave irradiance at TOA
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Earth Radiation Budget click here click here search ECV Inventory records
Instrument Missions
CLARREO Pathfinder-on-ISS - International Space Station/Climate Absolute Radiance & Reflectivity Observatory Pathfinder (2025 - 2030)