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CEOS EO HANDBOOK – INSTRUMENT SUMMARY
- ILAS
-
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
Category
Parameter
Aerosols
Aerosol Extinction / Backscatter (column/profile)
Aerosol absorption optical depth (column/profile)
Ozone
O3 Mole Fraction
Trace gases (excluding ozone)
CH4 Mole Fraction
CFC-11 (HS&M)
N2O (HS&M)
HNO3 (HS&M)
Thematic Links
Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECV
Description
Product(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)
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