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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 6 | Geoscience Letters

Fig. 6

From: Evaluation of tropospheric ozone reanalyses with independent ozonesonde observations in East Asia

Fig. 6

Decadal trend of deseasonalized monthly-mean 850-hPa ozone mixing ratio (unit: ppbv decade-1) at five ozonesonde stations: observation (black), MACCRA (red), CAMSRA (green), JRA-55 (purple), TCR-2 (pink), ERA5 (orange), CFSR (light blue), and MERRA2 (blue): a, b for 10 years over 2003–2012 and c, d for 15 years over 2003–2017. Note that CFSR is analyzed with only 8-year data from 2003 to 2010 and TCR-2 is considered from 2005. The trend that is statistically significant at the 95% confidence level is denoted with a filled bar. A two-tailed t-test is used to assess the statistical significance

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