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Björn E Berglund

Björn Berglund

Professor emeritus

Björn E Berglund

Evidence for a rapid sea-level rise 7600 yr ago

Författare

  • Shiyong Yu
  • Björn Berglund
  • Per Sandgren
  • Kurt Lambeck

Summary, in English

Dating the transgression and subsequent regression in marginal basins of the southeastern Swedish Baltic Sea provides a new perspective of global ice-volume changes and the isostatic adjustment of the mantle after the retreat of the Scandinavian Ice Sheet from this area. Superimposed upon a smooth pattern of local sea-level rise, acceleration occurred ca. 7600 calibrated (cal) yr B.P., evidenced as a nearly synchronous flooding in six elevated basins ranging from 3.0 to 7.2 m above present sea level. We ascribe this rapid local sea-level rise of similar to 4.5 m to a sudden increase in ocean mass, most likely caused by the final decay of the Labrador sector of the Laurentide Ice Sheet. The subsequent monotonic fall of local sea level from ca. 6500 cal yr B.P. to the present is mainly an expression of the slow isostatic adjustment of the mantle.

Avdelning/ar

  • Kvartärgeologi

Publiceringsår

2007

Språk

Engelska

Sidor

891-894

Publikation/Tidskrift/Serie

Geology

Volym

35

Issue

10

Dokumenttyp

Artikel i tidskrift

Förlag

Geological Society of America

Ämne

  • Geology

Nyckelord

  • rebound
  • crustal
  • lake isolation
  • rapid sea-level rise
  • holocene
  • Baltic sea
  • Laurentide Ice Sheet decay

Aktiv

Published

ISBN/ISSN/Övrigt

  • ISSN: 0091-7613