Methodology family
Atmospheric spectroscopy
Techniques that retrieve gas column densities and vertical composition profiles from the interaction of solar radiation with the atmosphere, the primary toolset for air quality, greenhouse gas, and stratospheric monitoring from orbit.
Methodologies in atmospheric spectroscopy
- Atmospheric limb/nadir sounding Retrieves vertical profiles of atmospheric composition (O3, H2O, NO2) from solar occultation or nadir radiance; good for air quality monitoring and stratospheric science.
- Tropospheric column mapping (NO2/SO2) Maps tropospheric NO2 and SO2 column density from UV-VIS backscatter; good for urban air quality, shipping emissions, and volcanic SO2 tracking.
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