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- Title
Reconstruction of the land-sea changes on the Juminda Peninsula, North Estonia, during the last 10 300 years.
- Authors
Saarse, Leili; Vassiljev, Jüri; Heinsalu, Atko
- Abstract
New results of litho-, bio- and chronostratigraphic data from the Aabla Bog were used for creation of the GIS-based shore displacement model with a grid size of 50 x 50 m. Palaeogeographical maps for the Juminda Peninsula in northern Estonia were constructed for the last 10 300 years. The southern part of the peninsula had emerged from the waters of the Gulf of Finland before the Ancylus Lake transgression. The highest shorelines between 18.5 and 20.5 m above sea level (a.s.l.) formed during the Litorina Sea transgression at about 7800 calibrated years BP (cal. yr BP). After the Litorina Sea transgression the area of the peninsula enlarged mostly northwards and westwards due to land uplift. Diatom stratigraphic analysis indicates deposition of sand in an isolated shallow freshwater lake, not in a lagoon of the Litorina Sea, as was concluded earlier, and suggests that the Litorina Sea maximum water level was below the Aabla basin threshold elevation at 21-21.5 m a.s.l.
- Subjects
ESTONIA; SHORELINES; CARBON isotopes; WATER levels; PENINSULAS
- Publication
Baltica, 2010, Vol 23, Issue 2, p117
- ISSN
0067-3064
- Publication type
Article