CEOS EO HANDBOOK – INSTRUMENT SUMMARY - IR Correlation Radiometer (GeoCape) -
Full Name IR Correlation Radiometer (GeoCape) Status No longer considered
Instrument Agencies NASA Maturity High Heritage - Non-Operational
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Nadir-viewing
Instrument Technology Narrow-band channel IR radiometer Sampling Sounding
Data Access Open Access Data Format
Measurements and Applications The near-IR and thermal-IR data will describe vertical CO, an excellent tracer of long-range transport of pollution. Identifying large scale vegetation burning events. Characterizing the oxidizing capacity of the atmosphere.
Resolution Summary 7 km horizontal spatial resolution, 2-3 layers in vertical resolution; < 0.2 um spectral resolution.
[Best Resolution: 7000m]
Swath Summary 2-d image of continental domain (north or south America).
Accuracy Summary CO precision: 1 x 10^17 cm^ (-2)
Waveband Summary 2.3, 4.6 µm
SWIR (~1.3 µm - ~3.0 µm)
MWIR (~3.0 µm - ~6.0 µm)
Instrument Measurements
Measurements Overview
Trace gases (excluding ozone)CH4 Mole Fraction
CO Mole Fraction
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Carbon Dioxide, Methane and other Greenhouse gases click here click here search ECV Inventory records
Precursors (supporting the Aerosol and Ozone ECVs) click here click here search ECV Inventory records
Instrument Missions
GEO-CAPE - Geostationary Coastal and Air Pollution Events (2023 - 2026)