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Holocen-relativa havsnivåförändringar i södra Östersjön

Tid Torsdag 27 oktober, 2022 kl. 13:00 - 15:00
Plats HE109 (HUM.J.118)

Högre seminariet i arkeologi och miljöarkeologi bjuder in till seminarium med Dr. Christos Katrantsiotis. Seminariet har den engelska titeln "Holocene relative sea level changes in the southern Baltic Sea".

Abstract (på engelska):

In this study, we reconstruct the shore displacement in the Västervik - Gamlebyviken region on the southeast coast of Sweden, an important archaeological area since the Mesolithic. The area is characterized by a rich coastal cultural landscape. During Bronze Age, the area was one of Scandinavia's most significant places. During the 12th century, the town of Västervik was one of Sweden's first medieval towns. Our study is based on the diatom analysis of sediment cores taken from seven lake basins that were once connected to the Baltic sea but due to the land uplift are now located above the sea level. Our results provide evidence for a relative sea level rise by around 5-7 m in this coastal area during the early Holocene and at least for five transgression events that influenced the area during the mid-late Holocene. The early Holocene event is mainly attributed to the global eustatic sea level rise, while the late Holocene events are associated with periods of stronger westerly winds that would force more saline water to enter the Baltic Sea from the North Sea-Skagerrak areas.

Om seminarieserien

I Högre seminariet i arkeologi och miljöarkeologi presenteras och diskuteras aktuell forskning inom arkeologi och miljöarkeologi.
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Evenemangstyp: Seminarium
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Christos Katrantsiotis
Staff scientist
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Malcolm Christopher Lillie
Läs om Malcolm Christopher Lillie