id:"swepub:oai:lup.lub.lu.se:a5ebbd95-094c-4a82-b759-b9d7c1c9ad75"
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- Jakobsson, MartinStockholms universitet,Institutionen för geologi och geokemi,Marin geovetenskap (author)
Reconstructing the Younger Dryas ice dammed lake in the Baltic Basin: Bathymetry, area and volume
- Article/chapterEnglish2007
Publisher, publication year, extent ...
- Elsevier BV,2007
Numbers
- LIBRIS-ID:oai:lup.lub.lu.se:a5ebbd95-094c-4a82-b759-b9d7c1c9ad75
- https://lup.lub.lu.se/record/647758URI
- https://doi.org/10.1016/j.gloplacha.2007.01.006DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-19534URI
- https://urn.kb.se/resolve?urn=urn:nbn:se:sh:diva-5971URI
Supplementary language notes
- Language:English
- Summary in:English
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Notes
- A digital 3D-reconstruction of the Baltic Ice Lake's (BIL) configuration during the termination of the Younger Dryas cold phase (ca. 11700 cal. yr BP) was compiled using a combined bathymetric-topographic Digital Terrain Model (DTM), Scandinavian ice sheet limits, Baltic Sea Holocene bottom sediment thickness information, and a paleoshoreline database maintained at the Lund University. The bathymetric-topographic DTM, assembled from publicly available data sets, has a resolution of 500 X 500 m on Lambert Azimuthal Equal Area projection allowing area and volume calculations of the BIL to be made with an unprecedented accuracy. When the damming Scandinavian ice sheet margin eventually retreated north of Mount Billingen, the high point in terrain of Southern central Sweden bordering to lower terrain further to the north, the BIL was catastrophically drained resulting in a 25 m drop of the lake level. With our digital reconstruction, we estimate that approximately 7800 km(3) of water drained during this event and that the ice dammed lake area was reduced by ca. 18%. Building on previous results suggesting drainage over 1 to 2 years, our lake volume calculations imply that the freshwater flux to the contemporaneous sea in the west was between about 0.12 and 0.25 Sv. The BIL reconstruction provides new detailed information on the paleogeography in the area of southern Scandinavia, both before and after the drainage event, with implications for interpretations of geological records concerning the post-glacial environmental development. (c) 2007 Elsevier B.V All rights reserved.
Subject headings and genre
- NATURVETENSKAP Geovetenskap och miljövetenskap Geologi hsv//swe
- NATURAL SCIENCES Earth and Related Environmental Sciences Geology hsv//eng
- NATURVETENSKAP Geovetenskap och miljövetenskap hsv//swe
- NATURAL SCIENCES Earth and Related Environmental Sciences hsv//eng
- Younger Dryas
- paleobathymetry
- ice dammed lakes
- paleotopography
- Baltic Sea
- isostasy
- Baltic Ice Lake
- Quaternary geology
- Earth sciences
Added entries (persons, corporate bodies, meetings, titles ...)
- Björck, SvanteLund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science(Swepub:lu)geol-sbj (author)
- Alm, GöranStockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)(Swepub:su)galm (author)
- Andrén, ThomasStockholms universitet(Swepub:sh)shtsan06 (author)
- Lindeberg, Greger (author)
- Svensson, Nils-OlofLund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science(Swepub:lu)geol-nsv (author)
- Stockholms universitetInstitutionen för geologi och geokemi (creator_code:org_t)
Related titles
- In:Global and Planetary Change: Elsevier BV57:3-4, s. 355-3701872-63640921-8181
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