Full Name Improved Limb Atmospheric Spectrometer Status No longer operational
Instrument Agencies MOE (Japan), JAXA Maturity
Instrument Type Atmospheric chemistry Geometry Occultation
Instrument Technology Limb-scanning IR spectrometer Sampling Sounding
Data Access Data Format
Measurements and Applications Measures minor trace gas species at high latitudes, in the altitude range 10 - 60 km (O3, CH4, NO2, N2O, H2O, CFC11, HNO3, CIONO2, N2O5, aerosols, temparature, pressure).
Resolution Summary 700 m
[Best Resolution: 700m]
Swath Summary 1400km
Accuracy Summary
Waveband Summary NIR (~0.75 µm - ~1.3 µm)
NIR (~0.75 µm - ~1.3 µm)
TIR (~6.0 µm - ~15.0 µm)
Instrument Measurements
Measurements Overview
AerosolsAerosol Extinction / Backscatter (column/profile)
Aerosol absorption optical depth (column/profile)
OzoneO3 Mole Fraction
Trace gases (excluding ozone)CH4 Mole Fraction
CFC-11 (HS&M)
N2O (HS&M)
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
Carbon Dioxide, Methane and other Greenhouse gases click here click here search ECV Inventory records
Ozone click here click here NOAA Climate Data Record (CDR) of Zonal ...
Instrument Missions
ADEOS - Advanced Earth Observing Satellite (1996 - 1997)