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. 2021 Jun 29;12:3592. doi: 10.1038/s41467-021-23810-9

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — a Areas calculated from different Global Digital Elevation Models (SRTM90¹³, MERIT¹⁴, CoastalDEM¹⁵ and TanDEM-X²³) compared to GLL_DTM_v1⁸ at 0.05-degree resolution, for countries ranked by land area greater than 12,000 km² below 2 m +MSL. For consistency, numbers are calculated within the SRTM coverage extent, between 60 N and 56 S. b Population data from ref. ²².