The genesis of the Bredåkra delta and its relation to the Fjärås Stadial

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Abstract
Ringberg's idea that the Bredåkra delta (in south-eastern Sweden) was deposited right in front of the receding ice for topographical reasons is revised. When the area was deglaciated, an esker was formed but no delta. Some 100 years later, there was a drastic environmental change—a climatic deterioration—leading to the deposition of a different type of varves for about 85 years and the development of extensive deltas. This period is correlated with the Fjärås Stadial established on the west coast of Sweden. The correlation is supported by palaeomagnetic records. On the basis of the correlation established, the data for the east coast indicate that the Ågård Interstadial should be extended back in time by 200 years.

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