THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name Michelson Interferometric Passive Atmosphere Sounder Status No longer operational
Instrument Agencies ESA Maturity
Instrument Type Atmospheric temperature and humidity sounders and Atmospheric chemistry Geometry Side-looking
Instrument Technology Limb-scanning IR spectrometer Sampling Sounding
Data Access Open Access Data Format
Measurements and Applications Data on stratosphere chemistry (global/polar ozone), climate research (trace gases/clouds), transport dynamics, tropospheric chemistry. Primary/secondary species: O3, NO, NO2, HNO3, N2O5, ClONO2, CH4.
Resolution Summary Vertical resolution: 3 km, vertical scan range 5 - 150 km, Horizontal: 3 x 30 km, Spectral resolution: 0.035 lines/cm
Swath Summary
Accuracy Summary Radiometric precision: 685 - 970 cm-1: 1%, 2410 cm-1: 3%
Waveband Summary MWIR-TIR: between 4.15 and 14.6 µm
NIR (~0.75 µm - ~1.3 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
Atmospheric Humidity FieldsAtmospheric specific humidity (HT, LS, HS&M) 
Atmospheric Temperature FieldsAtmospheric temperature (HT, LS) 
OzoneOzone profile 
Trace gases (excluding ozone)Atmospheric Chemistry - CH4 (HT, LS, HS&M)2 [%]
Atmospheric Chemistry - CO2 (column/profile)3 [ppm]
Atmospheric Chemistry - CO (LS, HS&M) 
Atmospheric Chemistry - CFC-11 (HT, LS) 
Atmospheric Chemistry - CFC-12 (LS) 
Atmospheric Chemistry - NO (LS, HS&M) 
Atmospheric Chemistry - NO2 (LS, HS&M) 
Atmospheric Chemistry - N2O (HT, LS, HS&M) 
Atmospheric Chemistry - HNO3 (HT, LS, HS&M) 
Atmospheric Chemistry - ClONO2 (LS) 
Instrument Missions
Envisat - Environmental Satellite (2002 - 2012)
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