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. 2020 Jul 9;7:176. doi: 10.1038/s41597-020-0520-9

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© The Author(s) 2020

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Fig. 6 — Map showing the depth difference in percent between IBCAO Ver. 3.0 and 4.0 (i.e. the absolute depth difference between Ver. 4.0 and 3.0 divided by the absolute depth of Ver. 4.0). This reveals the updates in the shallow areas of the grid (i.e. mainly the large continental shelf areas). (a) Zoom-in on an area in the East Siberian Sea showing that substantially more details are distinguishable in IBCAO Ver. 4.0 (shown in b) compared to Ver. 3.0 (shown in c).