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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 1 | Geoscience Letters

Fig. 1

From: Reconciling opposite trends in the observed and simulated equatorial Pacific zonal sea surface temperature gradient

Fig. 1

Time series of the 9-year running mean of the equatorial Pacific zonal SST gradient (SST gradient, units: ℃) during 1981–2010 in CMIP6 (a), six large ensembles (b) composed by ACCESS-ESM1-5 (c), CanESM5 (d), EC-Earth3 (e), FGOALS-g3 (f), MIROC6 (g), and MPI-ESM (h). Black lines denote the COBESST, ERSST, and HadISST datasets. The equatorial Pacific zonal sea surface temperature gradient is defined as the difference in SST anomalies between the equatorial eastern Pacific Ocean (5°S-5°N, 180°-80°W) and the equatorial Western Pacific Ocean (5°S-5°N, 110°E -180°). Red lines represent models simulating strengthening trends consistent with the observations (S models), and blue lines represent models showing weakening trends opposite to the observations (W models). Grey shading represents the 5–95% range of internal variability. Numbers in parentheses indicate the sample size

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