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. 2023 Jun 24;10:408. doi: 10.1038/s41597-023-02308-7

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Fig. 6 — Annual, January, July mean (h_T − h_D) maps. The areas in open oceans with the white colour indicate low quality of the identification. The land and the areas of low quality of the identification are represented by white with the land enclosed by black curves (i.e., coasts).