Climate and Vegetation History of the Taymyr Peninsula since Middle Weichselian Time - Palynological Evidence from Lake Sediments

Hahne, Jürgen; Melles, Martin

doi:10.1007/978-3-642-60134-7_33

Cited by 34 publications

(41 citation statements)

References 14 publications

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“…We suggest that this stratigraphic level in the Kara Sea corresponds to a time of high riverine inputs combined with severe sea-ice cover, in turn associated with harsh climatic conditions. The herbaceous spike might attest to the Younger Dryas age that was reflected in cold and dry conditions along the Kara Sea coasts (Serebryanny et al 1998;Hahne and Melles 1999). More palynological data from marine records are needed to test this assumption.…”

Section: Late Pleistocenementioning

confidence: 90%

The impact of glaciation, river-discharge and sea-level change on Late Quaternary environments in the southwestern Kara Sea

Polyak

Levitan

Gataullin

et al. 2000

International Journal of Earth Sciences

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Section: Late Pleistocenementioning

confidence: 90%

The impact of glaciation, river-discharge and sea-level change on Late Quaternary environments in the southwestern Kara Sea

Polyak

Levitan

Gataullin

et al. 2000

International Journal of Earth Sciences

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“…Pollen spectra from the LGM have been analysed from several sites in the western Putorana Plateau Melles, 1997, 1999), in the Labaz Lake area (Andreev et al, 2002a), at Lake Levinson-Lessing in the Byrranga Mountains (Hahne and Melles, 1999). The Late Weichselian pollen spectra are similar to Late Pleistocene pollen spectra.…”

Section: Taymyr Peninsulamentioning

confidence: 97%

The periglacial climate and environment in northern Eurasia during the Last Glaciation

HUBBERTEN¹

2004

Quaternary Science Reviews

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This paper summarizes the results of studies of the Late Weichselian periglacial environments carried out in key areas of northern Eurasia by several QUEEN teams (European Science Foundation (ESF) programme: ''Quaternary Environment of the Eurasian North''). The palaeoglaciological boundary conditions are defined by geological data on timing and extent of the last glaciation obtained in the course of the EU funded project ''Eurasian Ice Sheets''. These data prove beyond any doubt, that with the exception of the northwestern fringe of the Taymyr Peninsula, the rest of the Eurasian mainland and Severnaya Zemlya were not affected by the Barents-Kara Sea Ice Sheet during the Last Glacial Maximum (LGM).Inversed modelling based on these results shows that a progressive cooling which started around 30 ka BP, caused ice growth in Scandinavia and the northwestern areas of the Barents-Kara Sea shelf, due to a maritime climate with relatively high precipitation along the western flank of the developing ice sheets. In the rest of the Eurasian Arctic extremely low precipitation rates (less than 50 mm yr À1 ), did not allow ice sheet growth in spite of the very cold temperatures. Palaeoclimatic and palaeoenvironmental conditions for the time prior to, during, and after the LGM have been reconstructed for the non-glaciated areas around the LGM ice sheet with the use of faunal and vegetation records, permafrost, eolian sediments, alluvial deposits and other evidences. The changing environment, from interstadial conditions around 30 ka BP to a much colder and drier environment at the culmination of the LGM at 20-15 ka BP, and the beginning of warming around 15 ka BP have been elaborated from the field data, which fits well with the modelling results. r

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“…These chlorophycean algae have been recorded from recent Arctic Ocean sediments (Mudie 1992;Kunz-Pirrung 1998Matthiessen 1999), circum-Arctic Holocene and Late Weichselian lake deposits and shelf sediments (e.g. Livingston et al 1958;Fredskild 1973;Hill et al 1985;Kunz-Pirrung 1998;Hahne and Melles 1999), and Pliocene and Pleistocene marine sediments from the high northern latitudes (Mudie 1985(Mudie , 1989de Vernal and Mudie 1989).…”

Section: Introductionmentioning

confidence: 97%

Freshwater chlorophycean algae in recent marine sediments of the Beaufort, Laptev and Kara Seas (Arctic Ocean) as indicators of river runoff

Matthießen

Kunz-Pirrung

Mudie

2000

International Journal of Earth Sciences

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Freshwater chlorophycean algae in recent marine sediments of the Beaufort, Laptev and Kara Seas (Arctic Ocean) as indicators of river runoff Abstract Freshwater chlorophycean algae are characteristic organic-walled microfossils in recent coastal and shelf sediments from the Beaufort, Laptev and Kara seas (Arctic Ocean). The persistent occurrence of the chlorophycean algae Pediastrum spp. and Botryococcus cf. braunii in marine palynomorph assemblages is related to the discharge of freshwater and suspended matter from the large Siberian and North American rivers into the Arctic shelf seas. The distribution patterns of these algae in the marine environments reflect the predominant deposition of riverine sediments and organic matter along the salinity gradient from the outer estuaries and prodeltas to the shelf break. Sedimentary processes overprint the primary distribution of these algae. Resuspension of sediments by waves and bottom currents may transport sediments in the bottom nepheloid layer along the submarine channels to the shelf break. Bottom sediments and microfossils may be incorporated into sea ice during freeze-up in autumn and winter leading to an export from the shelves into the deep sea. The presence of these freshwater algae in sea-ice and bottom sediments in the central Arctic Ocean confirm that transport in sea ice is an important process which leads to a redistribution of shallow water microfossils.Keywords Arctic Ocean´Beaufort Sea´Laptev SeaḰ ara Sea´Recent sediments´Chlorophyte distribution´Freshwater discharge J. Matthiessen ( ) )´M. Kunz-Pirrung

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Climate and Vegetation History of the Taymyr Peninsula since Middle Weichselian Time - Palynological Evidence from Lake Sediments

Cited by 34 publications

References 14 publications

The impact of glaciation, river-discharge and sea-level change on Late Quaternary environments in the southwestern Kara Sea

The impact of glaciation, river-discharge and sea-level change on Late Quaternary environments in the southwestern Kara Sea

The periglacial climate and environment in northern Eurasia during the Last Glaciation

Freshwater chlorophycean algae in recent marine sediments of the Beaufort, Laptev and Kara Seas (Arctic Ocean) as indicators of river runoff

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