Fig. 2
Weighting functions in the thermal infrared (CO2 ν3 band at 4.3 μm, Earth’s SAS). Upper panels: weighting functions convolved with a Gaussian response function of half width Γ = 0.1 cm−1 (left) and Γ = 1.0 cm−1 (right). Lower panel: peak altitude of the weighting functions. The Γ = 1.0 cm−1 Gaussian corresponds to a resolution R ≈ 2300.
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