Reference sector SCDs

Fig 3.4.2.3.1.4.1: Difference of slant column measurements of NO2 between a European and a Pacific orbit.

Image: AT2-ELS

The Tropospheric Slant Column Density is obtained by subtracting the SCDtotal measured in the reference sector from the SCDtotal for the polluted orbit.

Fig 3.4.2.3.1.4.2: Schematic of the derivation of the SCDtrop.

Image: AT2-ELS