Late Glacial and Holocene shore-level changes in the Aarhus Bugt area, Denmark

Ole Bennike; Katrine Juul Andresen; Peter Moe Astrup; Jesper  Olsen; Marit-Solveig Seidenkrantz

doi:10.34194/geusb.v47.6530

Authors

Ole Bennike Geological Survey of Denmark and Greenland (GEUS), Aarhus, Denmark https://orcid.org/0000-0002-5486-9946
Katrine Juul Andresen Department of Geoscience and iClimate Centre, Aarhus University, Denmark https://orcid.org/0000-0001-8029-3234
Peter Moe Astrup Moesgaard Museum, Aarhus, Denmark https://orcid.org/0000-0002-7538-7014
Jesper Olsen Aarhus AMS Centre, Department of Physics and Astronomy, Aarhus University, Denmark https://orcid.org/0000-0002-4445-5520
Marit-Solveig Seidenkrantz Department of Geoscience and iClimate Centre, Aarhus University, Denmark https://orcid.org/0000-0002-1973-5969

DOI:

https://doi.org/10.34194/geusb.v47.6530

Keywords:

Aarhus Bugt, Late Glacial, shore-level changes, sea-level changes, Quaternary

Abstract

We propose a new relative shore-level curve for the Aarhus Bugt area, an embayment in eastern Jylland, Denmark, based on a compilation of published and new radiocarbon ages of organic material. Lakes existed in the area during the Late Glacial and Early Holocene. Lake level rose gradually until the region was inundated by the sea at c. 9000 cal. years BP. The relative sea level reached a high stand at about 6000 cal. years BP, when the local relative sea level was c. 3 m above present-day mean sea level. The Aarhus Bugt area was inundated by the sea later than the Limfjord area in northern Jylland, but earlier than the Lillebælt region in southern Denmark. The shore-level curves for these areas differ partly because the glacio-isostatic uplift was more pronounced in the Limfjord area than farther south and partly because the northern regions were inundated by the sea earlier than the southern areas.

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