CEOS EO HANDBOOK – MEASUREMENT INSTRUMENTS
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Measurements > Atmosphere > Trace gases (excluding ozone) > SO2 Mole Fraction
| Measurement Definition*: 3D field of amount of SO2 (Sulfur dioxide, expressed in moles) divided by the total amount of all constituents in dry air (also expressed in moles) - Measuring Units molecules.cm-2, Uncertainty Units % |
Instrument | Status/ Accuracy | Instrument Description | Measurement Technology | Timeline |
AHSI The Advanced Hyperspectral Imager | Operational
| Greenhouse Gases (CO2, CH4, N2O, etc), Atmospheric Pollutants (NO2, SO2, HCHO, etc) | n/a | |
EMI-2 Environment Monitoring Instrument-2 | Operational
| Ozone profile and total-column or gross profile of other species. Tracked species: BrO, ClO H2O, HCHO, NO, NO2, O3, SO2 and aerosol | n/a | |
EPIC Earth Polychromatic Imaging Camera | Operational
| Diurnal measurements of ozone, sulfur dioxide, UV surface radiation, clouds, aerosols and vegetation. | n/a | |
GEMS Geostationary Environment Monitoring Spectrometer | Operational
| Measurements of atmospheric chemistry, precursors of aerosols and ozone in particular, in high temporal and spatial resolution over Asia. | n/a | |
MLS (EOS-Aura) Microwave Limb Sounder (EOS-Aura) | Operational
| Measures lower stratospheric temperature and concentration of H2O, O3, ClO, HCl, OH, HNO3, N2O and SO2. | n/a | |
NACHOS Hyperspectral Imager NACHOS Hyperspectral Imager | Operational
| | n/a | |
TROPOMI TROPOMI | Operational
| Supporting atmospheric composition and air quality monitoring services. | n/a | |
ACX GeoXO Atmospheric Composition Instrument | Being developed
| | n/a | |
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* Description adapted from WMO.
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