All shape files from the paper Baptist2022 (wadden sea tidal basins, ecotope levels...)
READ READ ME in the folder to find the right tidal basin shapes.
Martin J. Baptist, Jan Tjalling van der Wal, Eelke O. Folmer, Ulf Gräwe, Kelly Elschot, Corrigendum to “An ecotope map of the trilateral Wadden Sea” [Journal of Sea Research 152 (2019) 101761], Journal of Sea Research, Volume 182, 2022, 102176, ISSN 1385-1101, https://doi.org/10.1016/j.seares.2022.102176. (https://www.sciencedirect.com/science/article/pii/S1385110122000144)