Holocene relative sea-level change, isostatic subsidence and the radial viscosity structure of the mantle of northwest Europe (Belgium, the Netherlands, Germany, southern North Sea)

Vink, Αnnemiek; Steffen, Holger; Reinhardt, Lutz; Kaufmann, Georg

doi:10.1016/j.quascirev.2007.07.014

Cited by 181 publications

(272 citation statements)

References 56 publications

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“…We regard glacio-isostatic crustal movements and/or gravitational effects that could explain the large mismatch between the current elevation of marine sediments and the position of eustatic sea level as highly unlikely. Exceptional suppression-uplift magnitudes and/or gravitational driven sea-level rise would be needed for the MIS3 period that (even) exceed estimates currently known for the Late Pleniglacial (Lambeck 1995;Peltier 2004;Steffen 2006;Vink et al 2007;Lambeck et al 2010). …”

Section: Radiocarbon Dating Versus Other Age Constraintsmentioning

confidence: 89%

Radiocarbon Dating of Late Pleistocene Marine Shells from the Southern North Sea

et al. 2014

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ABSTRACT. This article presents a set of Late Pleistocene marine mollusk radiocarbon (AMS) age estimates of 30-50 14 C kyr BP, whereas a MIS5 age (>75 ka) is indicated by quartz and feldspar OSL dating, biostratigraphy, U-Th dating, and age-depth relationships with sea level. These results indicate that the 14 C dates represent minimum ages. The age discrepancy suggests that the shells are contaminated by younger carbon following shell death. The enigmatic 14 C dates cannot be "solved" by removing part of the shell by stepwise dissolution. SEM analysis of the Late Pleistocene shells within a context of geologically younger (recent/modern, Holocene) and older (Pliocene) shells shows the presence of considerable amounts of an intracrystalline secondary carbonate precipitate. The presence of this precipitate is not visible using XRD since it is of the same (aragonitic) polymorph as the original shell carbonate. The combination of nanospherulitic-shaped carbonate crystals, typical cavities, and the presence of fatty acids leads to the conclusion that the secondary carbonate, and hence the addition of younger carbon, has a bacterial origin. As shell material was studied, this study recommends an assessment of possible bacterial imprints in other materials like bone collagen as well.

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Section: Radiocarbon Dating Versus Other Age Constraintsmentioning

confidence: 89%

Radiocarbon Dating of Late Pleistocene Marine Shells from the Southern North Sea

et al. 2014

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“…Busschers et al (2007) suggest that the westward tilting of the Rhine-Meuse channel belts from the central to the southern Netherlands, during Weichselian mid-to lateglacial times, resulted from the glacio-isostatic upwarping of ca 10 to 30 metres centred over the northern Netherlands (e.g. Busschers et al, 2007;Vink et al, 2007). Considering this isostatic adjustment, the rivers flowing northwards towards the present-day German Bight formed an exceptionally wide southeast-northwest aligned braidplain (i.e.…”

Section: Unravelling Forcing Factors Of the Southwards Routing Of Bismentioning

confidence: 99%

“…Indeed, through the last or previous glacial intervals, the Elbe river and the associated ice-marginal streamway (urstromtal), together the most important meltwater source in the southern North Sea, flowed towards the Nordic Seas during an intervening period of ice-free conditions between the British and Scandinavian areas (Gripp and Dittmer, 1941;Figge, 1980;Gibbard, 1988;Houmark-Nielsen and Kjaer, 2003;Larsen et al, 2009;Toucanne et al, 2009b). This alignment took place along the FIS margin into a glacio-isostatic depression centered over the present-day Elbe river mouth (Vink et al, 2007). This drainage network is confirmed by present-day highresolution bathymetric data (e.g.…”

Section: Unravelling Forcing Factors Of the Southwards Routing Of Bismentioning

confidence: 99%

“…Gripp and Dittmer, 1941), this area forming a depression between the forebulge dome (e.g. Busschers et al, 2007;Vink et al, 2007) and the FIS margin over the Denmark (Houmark-Nielsen and Kjaer, 2003;). This drainage pattern is confirmed by the recognition of a 30-40 km wide offshore southeast-northwest-aligned valley overlain by Holocene deposits in the present-day German Bight (e.g.…”

Section: Unravelling Forcing Factors Of the Southwards Routing Of Bismentioning

confidence: 99%

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The first estimation of Fleuve Manche palaeoriver discharge during the last deglaciation: Evidence for Fennoscandian ice sheet meltwater flow in the English Channel ca 20–18 ka ago

Toucanne

Zaragosi

Bourillet

et al. 2010

Earth and Planetary Science Letters

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Abstract:The Fleuve Manche (English Channel) palaeoriver represents the largest river system that drained the European continent during Pleistocene lowstands, particularly during the Elsterian (Marine Isotope Stage 12) and Saalian Drenthe (MIS 6) glaciations when extensive ice advances into the North Sea area forced the central European rivers to flow southwards to the Bay of Biscay (NE Atlantic). Numerous long piston cores and high-resolution acoustic data from the northern Bay of Biscay have been correlated using a well-constrained chronostratigraphical framework, and for the first time allow the estimation of the discharge of the Fleuve Manche palaeoriver at the end of the last glacial period (i.e. Weichselian). Our results, discussed in the light of relationships between river loads and drainage area characteristics, strongly suggest that the Bay of Biscay collected sediment-laden meltwater from the Northern European lowlands and the southern part of the Fennoscandian ice sheet at the end of the last glacial period and particularly during the paroxysmal phase of the European deglaciation ca 20-18 ka ago. This demonstrates that the Fleuve Manche drainage area at that time was equivalent to those dating from the major Elsterian and Saalian Drenthe glaciations. Based on our data, we propose a revision of the palaeogeographical and palaeoglaciological evolution of the North Sea area while showing that the British and Fennoscandian ice sheets entered the North Sea basin until ca 18 ka initiating isostatic adjustment of the basin. This allowed the North Sea fluvial system to flow southwards through the Dover Strait. Finally, we discuss the Fleuve Manche freshwater discharge during the maximum European ice sheet retreat ca 18 ka. The estimated discharge at this time appears important and sufficiently sustained to possibly contribute to the profound destabilisation of the thermohaline circulation recognised in the North Atlantic from ca 18 to 16 ka.

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“…Its coastal plain is characterised by a small non-linear, glacio-and/or hydro-isostatic subsidence component that increases significantly towards the northeast in the direction of the Fennoscandian land mass (Kiden, Denys, & Johnston, 2002;Vink, Steffen, Reinhardt, & Kaufmann, 2007). As a consequence there is very little accommodation space to accumulate newer and preserve older sediments, which in turn caused important reworking and redistribution of these older sediments.…”

Section: Introductionmentioning

confidence: 99%

A high-resolution DEM for the Top-Palaeogene surface of the Belgian Continental Shelf

et al. 2015

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A 1:250,000 scale map of the surface of the Top-Palaeogene for the Belgian Continental Shelf was created based on extensive analyses of older and recent geological and geophysical datasets. The Top-Palaeogene surface is an important polygenetic unconformity that truncates older strata of the Palaeogene and to a smaller extent some of Neogene age from the overlying Quaternary deposits. As such it represents the base of the latter. The represented surface has been diachronously shaped and reworked through Late Quaternary times by different geological processes (e.g. fluvial, marine, estuarine, periglacial). Additionally, the offshore surface has been attached to the landward Top-Palaeogene surface and was transformed into a uniform 3D surface allowing new and better interpretations to be used in fundamental and applied research underpinning both scientific purposes (e.g. geology, archaeology, palaeogeography), and commercial applications (e.g. wind farms, aggregate extraction, dredging). ARTICLE HISTORY

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Holocene relative sea-level change, isostatic subsidence and the radial viscosity structure of the mantle of northwest Europe (Belgium, the Netherlands, Germany, southern North Sea)

Cited by 181 publications

References 56 publications

Radiocarbon Dating of Late Pleistocene Marine Shells from the Southern North Sea

Radiocarbon Dating of Late Pleistocene Marine Shells from the Southern North Sea

The first estimation of Fleuve Manche palaeoriver discharge during the last deglaciation: Evidence for Fennoscandian ice sheet meltwater flow in the English Channel ca 20–18 ka ago

A high-resolution DEM for the Top-Palaeogene surface of the Belgian Continental Shelf

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