Extended Data Fig. 6: Annual-mean SST and its biases in various oceanic reanalysis products.
From: Partial-convolution-implemented generative adversarial network for global oceanic data assimilation

Annual-mean SST (contour), and the difference from the reference data (that is, ERSST V5) (shading) during 1981–2020 in (a) ORAS5, (b) COBE, (c) ECCO v4r4, (d) ECDA v2, (e) GECCO2, (f) OSTIA, (g) GODAS, (h) MERRA2, and (i) SODA v3.4.2.