CEOS EO HANDBOOK – INSTRUMENT SUMMARY - IR Spectrometer (GACM) -
Full Name IR Spectrometer (GACM) Status No longer considered
Instrument Agencies NASA Maturity Medium Heritage
Instrument Type Atmospheric chemistry Geometry Nadir-viewing
Instrument Technology High-resolution nadir-scanning IR spectrometer Sampling Sounding
Data Access Open Access Data Format
Measurements and Applications Daytime column measurements of CO in SWIR at 2.4 µm.
Resolution Summary
Swath Summary
Accuracy Summary
Waveband Summary 2.4 and 4.6 µm
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
Trace gases (excluding ozone)CO Mole Fraction
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Precursors (supporting the Aerosol and Ozone ECVs) click here click here search ECV Inventory records
Instrument Missions
GACM - Global Atmospheric Composition Mission (2030 - 2033)