Fig. 2
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Temporal plots of PWV for the APEX (top panel) and LHAT-PRO (bottom panel) study sites through the years 2019-2022. The upper plot shows (in blue) the radiometric measurements and (in red) the MERRA-2 bidimensionally interpolated data. The lower plots (black line) show the numerical differences between the MERRA-2 interpolated estimate and the site measurements.
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