Fig 3.4.2.3.1.2.1: Measurements of Total Slant Column Densities of NO2 during an orbit passing over Europe.
Image: AT2-ELS
The Total Slant Column Densities shown here include NO2 contributions from the stratosphere and the troposphere.
Fig 3.4.2.3.1.2.2: Schematic of the SCDtotal measurement.
Image: AT2-ELS