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Geoscience Letters

Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 2 | Geoscience Letters

Fig. 2

From: Multi-year assessment of the impact of ship-borne radiosonde observations on polar WRF forecasts in the Arctic

Fig. 2

Percentage differences in RMSE (%) between the CTL and NoAraon experiments (CTL minus NoAraon) for a temperature, b geopotential height, c zonal wind, and d meridional wind. RMSEs are calculated over areas north of 70°N using ERA5 reanalysis as a reference, and RMSEs from all cycles (i.e., sum of cycles of four years) are averaged. Statistical significance (denoted by yellow dots) for the difference is computed using a bootstrap resampling method and its confidence level is 90%

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