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Kienel, Ulrike; Siegert, Christine; Hahne, Jürgen (1999): Age determination of section LAB2-94 (Table 3). PANGAEA,, Supplement to: Kienel, U et al. (1999): Late Quaternary palaeoenvironmental reconstructions from a permafrost sequence (North Siberian Lowland, SE Taymyr Peninsula) - a multidisciplinary case study. Boreas, 28(1), 181-193,

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A Late Quaternary permafrost profile from the Labaz Lake area (Taymyr Peninsula, Central Siberia) has been investigated using analyses of diatoms, pollen, sedimentology and geochemistry. A sedimentation gap for the termination of the Pleistocene and the start of lacustrine sedimentation in the Boreal can be inferred. At that time shallow-lake conditions prevailed and a connection to the Labaz Lake is probable. The diatom data provide indications for the assessment of the Holocene environmental development of the study site in more detail. The most favourable climatic conditions and comparatively higher water level stands are inferred for the early Atlantic. Towards the end of this period the gradual transition to a wetland with poor-fen character took place. Within the Subboreal there was a short episode with mild climate conditions. At that time the last trees occurred in the Labaz Lake area and somewhat higher water level stands were likely. The Subatlantic climate deterioration led to further drying up of the wetland along with a lowering of water pH and permafrost aggradation. The transition from a locality with low-centre to one with high-centre polygons is still underway.
Latitude: 72.388900 * Longitude: 99.680600
Date/Time Start: 1994-01-01T00:00:00 * Date/Time End: 1994-01-01T00:00:00
Minimum DEPTH, sediment/rock: 0.38 m * Maximum DEPTH, sediment/rock: 3.82 m
LAB2-94 * Latitude: 72.388900 * Longitude: 99.680600 * Date/Time: 1994-01-01T00:00:00 * Recovery: 3.85 m * Campaign: Labaz_Lake_Expedition * Basis: Sampling on land * Device: Drilling/drill rig (DRILL)
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Sample code/labelSample labelKienel, Ulrike
2DEPTH, sediment/rockDepthmGeocode
3Depth, top/minDepth topmKienel, Ulrike
4Depth, bottom/maxDepth botmKienel, Ulrike
5DescriptionDescriptionKienel, Ulrike
6Age, datedAge datedkaKienel, Ulrike
7Age, dated, error to olderAge e +ka +Kienel, Ulrike
8Age, dated, error to youngerAge e -ka -Kienel, Ulrike
9Method commentMethod commKienel, Ulrike
70 data points

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