Articles | Volume 71, issue 2
Research article
22 Dec 2022
Research article |  | 22 Dec 2022

Tunnel valleys in the southeastern North Sea: more data, more complexity

Arne Lohrberg, Jens Schneider von Deimling, Henrik Grob, Kai-Frederik Lenz, and Sebastian Krastel


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Short summary
We present an update on the distribution of tunnel valleys in the southeastern North Sea between Amrum and Heligoland based on active seismic data. Our results demonstrate that very dense grids of seismic profiles are needed to understand the distribution and the formation of tunnel valleys in a given region. We also demonstrate that acquiring offshore active seismic data is time- and cost-effective to learn more about the formation and filling of tunnel valleys in different geological settings.