Palynological and foraminiferal biostratigraphy of (Upper Pliocene) Nordland Group mudstones at Sleipner, northern North Sea

Head, Martin J.; Riding, James B.; Eidvin, Tor; Chadwick, R. A.

doi:10.1016/j.marpetgeo.2003.12.002

Cited by 41 publications

(38 citation statements)

References 58 publications

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“…Productivity data are derived from satellite observations of chlorophyll using the bio-optical model of Behrenfeld and Falkowski (1997) The round brown spiny cysts considered in this work belong to the paleontological genera Echinidinium and Islandinium and to the biological species O. acanthocysta and Polykrikos hartmannii. Other Echinidinium species such as Echinidinium nordlandensis Head in Head et al, 2004, Echinidinium euaxum (Head, 1993 Head et al, 2001, and Echinidinium bispiniformum Zonneveld, 1997ex Head, 2003 were not included in the present study since they exhibit very distinctive features such as large and bulbous or bifid processes, which make them easy to differentiate from other RBSCs.…”

Section: Methodsmentioning

confidence: 99%

“…Many of them belong to the genus Echinidinium, described for the first time by Zonneveld (1997) from a sediment trap in the Arabian Sea. Echinidinium contains a number of species (Zonneveld, 1997;Head et al, 2001;Head, 2003;Head et al, 2004), some of which are morphologically similar to one another. In addition to these species of Islandinium and Echinidium, the RBSCs include taxa not yet formally described.…”

Section: Introductionmentioning

confidence: 99%

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Operational taxonomy and (paleo-)autecology of round, brown, spiny dinoflagellate cysts from the Quaternary of high northern latitudes

Radi

Bonnet

Cormier

et al. 2013

Marine Micropaleontology

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Operational taxonomy and (paleo-)autecology of round, brown, spiny dinoflagellate cysts from the Quaternary of high northern latitudes

Radi

Bonnet

Cormier

et al. 2013

Marine Micropaleontology

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“…Dinocyst distribution in marine surface sediments has shown to reflect changes in the sea surface water properties, mostly responding to temperature (e.g., Rochon et al, 1999;Zonneveld et al, 2013). Down-core changes in dinocyst assemblages are widely used in reconstructing past environmental changes in the Quaternary (e.g., de Vernal et al, 2009), but also in the Neogene and Paleogene (e.g., Versteegh and Zonneveld, 1994;Head et al, 2004;Pross and Brinkhuis, 2005;Sluijs et al, 2005;Schreck et al, 2013;De Schepper et al, 2011, 2013Hennissen et al, 2017).…”

Section: Palynological Proxiesmentioning

confidence: 99%

Land–sea coupling of early Pleistocene glacial cycles in the southern North Sea exhibit dominant Northern Hemisphere forcing

et al. 2018

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Abstract. We assess the disputed phase relations between forcing and climatic response in the early Pleistocene with a spliced Gelasian ( ∼ 2.6-1.8 Ma) multi-proxy record from the southern North Sea basin. The cored sections couple climate evolution on both land and sea during the intensification of Northern Hemisphere glaciation (NHG) in NW Europe, providing the first well-constrained stratigraphic sequence of the classic terrestrial Praetiglian stage. Terrestrial signals were derived from the Eridanos paleoriver, a major fluvial system that contributed a large amount of freshwater to the northeast Atlantic. Due to its latitudinal position, the Eridanos catchment was likely affected by early Pleistocene NHG, leading to intermittent shutdown and reactivation of river flow and sediment transport. Here we apply organic geochemistry, palynology, carbonate isotope geochemistry, and seismostratigraphy to document both vegetation changes in the Eridanos catchment and regional surface water conditions and relate them to early Pleistocene glacial-interglacial cycles and relative sea level changes. Paleomagnetic and palynological data provide a solid integrated timeframe that ties the obliquity cycles, expressed in the borehole geophysical logs, to Marine Isotope Stages (MIS) 103 to 92, independently confirmed by a local benthic oxygen isotope record. Marine and terrestrial palynological and organic geochemical records provide high-resolution reconstructions of relative terrestrial and sea surface temperature (TT and SST), vegetation, relative sea level, and coastal influence.During the prominent cold stages MIS 98 and 96, as well as 94, the record indicates increased non-arboreal vegetation, low SST and TT, and low relative sea level. During the warm stages MIS 99, 97, and 95 we infer increased stratification of the water column together with a higher percentage of arboreal vegetation, high SST, and relative sea level maxima. The early Pleistocene distinct warm-cold alterations are synchronous between land and sea, but lead the relative sea level change by 3000-8000 years. The record provides evPublished by Copernicus Publications on behalf of the European Geosciences Union. 398T. H. Donders et al.: Land-sea coupling of early Pleistocene glacial cycles idence for a dominantly Northern Hemisphere-driven cooling that leads the glacial buildup and varies on the obliquity timescale. Southward migration of Arctic surface water masses during glacials, indicated by cool-water dinoflagellate cyst assemblages, is furthermore relevant for the discussion on the relation between the intensity of the Atlantic meridional overturning circulation and ice sheet growth.

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“…Nevertheless, many studies document the late Cenozoic stratigraphic distribution of dinocysts at several locations of middle to high latitude in the North Atlantic Ocean (e.g., Harland, 1979;Mudie, 1987Powell, 1988;Head et al, 1989Head et al, , 2004Mudie, 1989, 1992;Head and Norris, 2003;Piasecki, 2003;Louwye et al, 2004;De Schepper et al, 2008a, 2008b. Only a few studies in the North Pacific Ocean address Cenozoic biostratigraphy.…”

Section: Palynology: Dinoflagellate Cysts Pollen and Other Palynomomentioning

confidence: 99%

Methods

2011

Proceedings of the IODP

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Palynological and foraminiferal biostratigraphy of (Upper Pliocene) Nordland Group mudstones at Sleipner, northern North Sea

Cited by 41 publications

References 58 publications

Operational taxonomy and (paleo-)autecology of round, brown, spiny dinoflagellate cysts from the Quaternary of high northern latitudes

Operational taxonomy and (paleo-)autecology of round, brown, spiny dinoflagellate cysts from the Quaternary of high northern latitudes

Land–sea coupling of early Pleistocene glacial cycles in the southern North Sea exhibit dominant Northern Hemisphere forcing

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