Moosdorf, Nils ORCID: https://orcid.org/0000-0003-2822-8261, Böttcher, Michael Ernst, Adyasari, Dini, Erkul, Ercan, Gilfedder, Benjamin S., Greskowiak, Janek, Jenner, Anna-Kathrina, Kotwicki, Lech, Massmann, Gudrun, Müller-Petke, Mike, Oehler, Till, Post, Vincent, Prien, Ralf, Scholten, Jan, Siemon, Bernhard, Ehlert von Ahn, Cátia Milene, Walther, Marc, Waska, Hannelore, Wunderlich, Tina and Mallast, Ulf (2021) A State-Of-The-Art Perspective on the Characterization of Subterranean Estuaries at the Regional Scale. Frontiers in Earth Science, 9 . pp. 1-26. DOI https://doi.org/10.3389/feart.2021.601293.