Fig 3.4.2.3.1.3.1: Comparison of slant column measurements of NO2 from an orbit passing over Europe and from one passing over the Pacific.
Image: AT2-ELS
Unlike the measurements during the European orbit, the Total Slant Column Densities measured during the Pacific orbit include NO2 contributions from the stratosphere, but only weak or negligible contributions from the troposphere.
Fig 3.4.2.3.1.3.2: Schematic of the SCDtotal measurements for both orbits.
Image: AT2-ELS