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Record #187009:

Surging ice and break-down of an ice dome - a deglaciation model for the Gulf of Bothnia / Jan Lundqvist.

Title: Surging ice and break-down of an ice dome - a deglaciation model for the Gulf of Bothnia / Jan Lundqvist.
Author(s): Lundqvist, Jan.
Date: 2007.
In: GFF. (2007.), Vol. 129(4) (2007)
Abstract: Proposes model for deglaciation of Gulf of Bothnia, based on studies of striae in Kvarken area in northern Baltic basin and reinterpretation of stratigraphic sequences earlier interpreted as evidence for readvance of ice margin in Gulf (Gävle oscillation). Model implies quick break-up of ice due to areal thinning of lobe in Gulf and change from cold- to warm-based ice. Wide calving bays formed into ice centre in northern Gulf. Balance change caused sudden collapses and surges on warming base of soft sediments. Ice centre shifted west as ice sheet changed from thick with subaquatic margin to thin and terrestrial, more sensitive to rising temperature at end of Weichselian.
Notes:

GFF. Vol. 129(4) :329-336 (2007).

Keywords: 551.32 -- Glaciology.
551.336 -- Ice ages.
551.337 -- Chronology of the Pleistocene and recent periods.
551.324.24 -- Ice sheets and caps.
551.324.61 -- Land ice, cycle of growth and decay.
551.33 -- Glacial geology.
551.332.2 -- Drift, glacial. Deposits.
551.324.65 -- Land ice, surges and catastrophic changes.
551.324.54 -- Land ice, flow of particular glaciers.
551.324.43 -- Land ice, regime and mass balance.
551.324.412 -- Land ice, temperature.
551.583.3 -- Climatic changes, Quaternary.
551.791 -- Pleistocene.
E5 -- Glaciology: land ice.
(*56) -- Finland.
(*611) -- Baltic Sea.
SPRI record no.: 187009

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245 10 ‡aSurging ice and break-down of an ice dome - a deglaciation model for the Gulf of Bothnia /‡cJan Lundqvist.
260 ## ‡a[S.l.] :‡b[s.n.],‡c2007.
300 ## ‡ap. 329-336 :‡bill., maps.
500 ## ‡aGFF. Vol. 129(4) :329-336 (2007).
520 3# ‡aProposes model for deglaciation of Gulf of Bothnia, based on studies of striae in Kvarken area in northern Baltic basin and reinterpretation of stratigraphic sequences earlier interpreted as evidence for readvance of ice margin in Gulf (Gävle oscillation). Model implies quick break-up of ice due to areal thinning of lobe in Gulf and change from cold- to warm-based ice. Wide calving bays formed into ice centre in northern Gulf. Balance change caused sudden collapses and surges on warming base of soft sediments. Ice centre shifted west as ice sheet changed from thick with subaquatic margin to thin and terrestrial, more sensitive to rising temperature at end of Weichselian.
650 07 ‡a551.32 -- Glaciology.‡2udc
650 07 ‡a551.336 -- Ice ages.‡2udc
650 07 ‡a551.337 -- Chronology of the Pleistocene and recent periods.‡2udc
650 07 ‡a551.324.24 -- Ice sheets and caps.‡2udc
650 07 ‡a551.324.61 -- Land ice, cycle of growth and decay.‡2udc
650 07 ‡a551.33 -- Glacial geology.‡2udc
650 07 ‡a551.332.2 -- Drift, glacial. Deposits.‡2udc
650 07 ‡a551.324.65 -- Land ice, surges and catastrophic changes.‡2udc
650 07 ‡a551.324.54 -- Land ice, flow of particular glaciers.‡2udc
650 07 ‡a551.324.43 -- Land ice, regime and mass balance.‡2udc
650 07 ‡a551.324.412 -- Land ice, temperature.‡2udc
650 07 ‡a551.583.3 -- Climatic changes, Quaternary.‡2udc
650 07 ‡a551.791 -- Pleistocene.‡2udc
650 07 ‡aE5 -- Glaciology: land ice.‡2local
651 #7 ‡a(*56) -- Finland.‡2udc
651 #7 ‡a(*611) -- Baltic Sea.‡2udc
773 0# ‡7nnas ‡tGFF. ‡gVol. 129(4) (2007) ‡wSPRI-128316
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