Main research areas

Geomorphology
Holocene coastal geomorphology
Natural risk research (storm surges)
Geoarchaeology

Regional focus

North Frisian & East Frisian North Sea coast

Summer semester 2025

M1/M1ED Exercise Physical Geography II – Geomorphology Course G
M1/M1ED Exercise Physical Geography II – Geomorphology Course H

Winter semester 2024/25

M14 Special physical geography – Butjadingen

Summer semester 2024

M1/M1ED Exercise Physical Geography II – Geomorphology Course E
M1/M1ED Exercise Physical Geography II – Geomorphology Course F

Winter semester 2023/24

M14/M12alt Special physical geography – North Sea

Summer semester 2023

M1/M1ED Exercise Physical Geography II – Geomorphology Course C
M1/M1ED Exercise Physical Geography II – Geomorphology Course D

Winter semester 2022/23

M14/M12alt Special physical geography – Hessian Ried

2024

Lecture: Hallig Hooge as a business location? – Findings on medieval salt peat mining in the Hallig region (Archaeology in Schleswig, Flensburg)

Poster: Potential effects of the 1st Grote Mandränke storm in 1362 AD on the coast of East Frisia near Dornum (North Sear coast, Germany) (Annual conference of the working group “Geography of Seas and Coasts” in Heidelberg)

2023

Lecture: Exploitation of a medieval coastal landscape – extensive extraction of salt-peat around Hallig Hooge, Wadden Sea of North Frisia (Germany) (Annual conference of the working group Geoarchaeology in Würzburg)

Lecture: Tracing a drowned medieval landscape – palaeoenvironmental reconstruction of the development of the Trendermarsch (North Frisia, Germany) (INQUA23 in Rome, Italy)

Poster: Exploitation of a medieval coastal landscape – extensive peat extraction around Hallig Hooge, Wadden Sea of North Frisia (Germany), Part 1 (Annual Conference German Society for Geomorphology e.V. in Aachen)

2022

Lecture: Between land reclamation and storm surges – Man-environment interactions in the Trendermarsch (North Frisia, Germany) (DeuQua2022 in Potsdam)

Poster Prize: Potential effects of the 1st Grote Mandränke storm in 1362 AD on the coast of East Frisia near Dornum (North Sear coast, Germany) (Annual Conference of the Working Group “Geography of Seas and Coasts” in Heidelberg)

Poster Prize: Exploitation of a medieval coastal landscape – extensive peat extraction around Hallig Hooge, Wadden Sea of North Frisia (Germany), Part 1 (Annual Conference of the German Society for Geomorphology in Aachen)

Reiß, A., Hadler, H., Wilken, D., Majchczack, B.S., Blankenfeldt, R., Bäumler, S., Ickerodt, U., Klooß, S., Willershäuser, T., Rabbel, W., Vött, A., 2025. The Trendermarsch sunken in the Wadden Sea (North Frisia, Germany) – reconstructing a drowned medieval cultural landscape with geoarchaeological and geophysical investigations. E&G Quaternary Sci. J. 74, 37-57. https://doi.org/10.5194/egqsj-74-37-2025

Hadler, H., Reiß, A., Willershäuser, T., Wilken, D., Blankenfeldt, R., Majchczack, B., Klooß, S., Ickerodt, U., Vött, A., 2024. Medieval Overexploitation of Peat Triggered Large-Scale Drowning and Permanent Land Loss in Coastal North Frisia (Wadden Sea Region, Germany). Geosciences 15, 1-19. https://doi.org/10.3390/geosciences15010001

Wilken, D., Hadler, H., Majchczack, B.S., Blankenfeldt, R., Auge, O., Bäumler, S., Bienen-Scholt, D., Ickerodt, U., Klooß, S., Reiß, A., Willershäuser, T., Rabbel, W., Vött, A., 2024. The discovery of the church of Rungholt, a landmark for the drowned medieval landscapes of the Wadden Sea World Heritage. Sci Rep 14, 15576. https://doi.org/10.1038/s41598-024-66245-0

Reiß, A., Hadler, H., Wilken, D., Majchczack, B., Blankenfeldt, R., Ickerodt, U., Klooß, S., Rabbel, W., Willershäuser, T., Vött, A., 2024. Geoarchaeological and geophysical investigations in the tidal flats of the Trendermarsch, Nordstrand (North Frisia, Germany). zfg 105505. https://doi.org/10.1127/zfg/2024/0805

Majchczack, B., Blankenfeldt, R., Bienen-Scholt, D., Hadler, H., Jürgens, F., Klooß, S., Reiß, A., Wilken, D., Carnap-Bornheim, C., Rabbel, W., Vött, A., 2024. Living on the Halligen Tidal Islands of North Frisia: Land-use and Exploitation of a Unique Salt-marsh Landscape in the Middle Ages. New studies on Saxon research, Making places, making lives. Landscape and settlement in coastal wetlands. Proceedings of the 72nd Saxon Symposium, 9 – 12 October 2021 Castricum-Alkmaar 14 Making places, making lives. Landscape and settlement in coastal wetlands, 143. https://doi.org/10.24355/DBBS.084-202411131440-0

Rabbel, W., Bäumler, S., Benedict, F., Bielikova, A., Dannemann, S., De Smedt, P., De Weerdt, P., Godová, D., Hadler, H., Hulmanova, M., Jetzinger, D., Kowatschek, I., Laaha, V., Mendoza Veirana, G., Majchczack, B.S., Ondrasova, L., Paepen, M., Papp, A., Pasteka, R., Pichler, G., Reiß, A., Sauter, K., Seilern-Moy, I., Straßberger, J., Thorwart, M., Tötzel, S., Trinks, I., Van Rillaer, B., Verhegge, J., Vött, A., Wilken, D., Willershäuser, T., Wunderlich, T., 2023. Combining teaching and research: a BIP on geophysical and archaeological prospection of North Frisian medieval settlement patterns, in: Wunderlich, T., Hadler, H., Blankenfeldt, R. (Eds.), Advances in On- and Offshore Archaeological Prospection. Universitätsverlag Kiel | Kiel University Publishing, Kiel, pp. 223-227. https://doi.org/10.38072/978-3-928794-83-1/p44