Retrieval step 4: Derivation of the tropospheric vertical column density, VCDtrop

Application of a tropospheric airmass factor, AMF, to derive the tropospheric vertical column density, VCDtrop for the species in question in the vertical column above the measured pixel.

Fig 3.4.1.8.1: Derivation of the tropospheric slant column density, SCDtrop.

Image: AT2-ELS