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. 2022 Mar 11;9:83. doi: 10.1038/s41597-022-01196-7

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Fig. 6 — Changes in CO₂ concentrations (ppm) between the reconstructed and AIRS (a) averaged during 2003–2016 (excluding 2014), and between the reconstructed and GOSAT (b) averaged during 2010–2018 (excluding 2014). The time periods selected are decided by data available. Hatched areas are regions where changes are statistically significant at the 5% level using the Student’s t test.