Measurements and Applications
Measure and understand the chemical processes that control the distribution of ozone in the Earth's atmosphere, especially at high altitudes.
Full Name
Atmospheric Chemistry Experiment (ACE) Fourier Transform Spectrometer
Status
Operational
Instrument Agencies
Maturity
Instrument Type
Atmospheric chemistry 
Geometry
Occultation
Instrument Technology
Limb-scanning IR spectrometer
Sampling
Sounding
Data Access
Open Access
Data Format
ASCII, HDF, NetCDF
Accuracy
Depends on species, meets requirements for climate variables
Waveband
SWIR - TIR: 2 - 5.5 µm, 5.5 - 13 µm (0.02 cm-1 resolution)
| SWIR (~1.3 µm - ~3.0 µm) |
| MWIR (~3.0 µm - ~6.0 µm) |
| TIR (~6.0 µm - ~15.0 µm) |
SCISAT-1 - SCISAT-I/ACE (2003 - 2026) |
| Category | Parameter |
| Aerosols | Aerosol Extinction / Backscatter (column/profile)  |
| Aerosol absorption optical depth (HT, LS, HS&M) |
| Atmospheric Temperature Fields | Atmospheric temperature (LS, HS&M) |
| Height of tropopause |
| Temperature of tropopause |
| Atmospheric Winds | Wind profile (horizontal) |
| Cloud particle properties and profile | Cloud liquid water (column/profile) |
| Ozone | O3 Mole Fraction |
| Trace gases (excluding ozone) | CH4 Mole Fraction |
| CO2 Mole Fraction |
| CO Mole Fraction |
| CFC-11 (HT, LS) |
| CFC-12 (HT, LS) |
| NO (HS&M) |
| NO2 Mole Fraction |
| N2O (HT, LS, HS&M) |
| HNO3 (HT, LS, HS&M) |
| HCl (HT, LS, HS&M) |
| ClONO2 (HT, LS, HS&M) |
| C2H2 (HT) |
| C2H6 (HT, LS) |
| HCFC-22 (HT, LS) |
| N2O5 (LS, HS&M) |
| SF6 (HT, LS) |