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Latitude-time variations of atmospheric column-average dry air mole fractions of CO<sub>2</sub>, CH<sub>4</sub> and N<sub>2</sub>O

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Table 1. List of the TCCON sites used in this study. A comparison between the ACTM and TCCON time series presents the correlation coe ffi cient R, model bias b, and model-data RMS di ff erence d
Fig. 1. Locations of TCCON sites (red dots) superimposed on the landcover map (greenish and brownish colors denote intense and weak annual total vegetation activity, respectively; source:
Fig. 2. Monthly mean global distributions of the ACTM-simulated total column CO 2 , CH 4 and N 2 O (without applying averaging kernel and a priori smoothing) in January (left column) and July (right column) 2009.
Fig. 3. Observed (black) and simulated (red) values of X CO
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