Sirocko, Frank; Seelos, Klemens; Schaber, Katja; Rein, Bert; Dreher, Frank; Diehl, Markus; Lehne, Rouwen; Jäger, Knut; Krbetschek, Matthias R; Degering, Detlev (2005): Record of pollen, silt and greyscale stack from the Eifel Laminated Sediment Archive (ELSA). PANGAEA, https://doi.org/10.1594/PANGAEA.472208, Supplement to: Sirocko, F et al. (2005): A late eemian aridity pulse in central Europe during the last glacial inception. Nature, 436, 833-836, https://doi.org/10.1038/nature03905
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Investigating the processes that led to the end of the last interglacial period is relevant for understanding how our ongoing interglacial will end, which has been a matter of much debate. A recent ice core from Greenland demonstrates climate cooling from 122,000 years ago driven by orbitally controlled insolation, with glacial inception at 118,000 years ago. Here we present an annually resolved, layer-counted record of varve thickness, quartz grain size and pollen assemblages from a maar lake in the Eifel (Germany), which documents a late Eemian aridity pulse lasting 468 years with dust storms, aridity, bushfire and a decline of thermophilous trees at the time of glacial inception. We interpret the decrease in both precipitation and temperature as an indication of a close link of this extreme climate event to a sudden southward shift of the position of the North Atlantic drift, the ocean current that brings warm surface waters to the northern European region. The late Eemian aridity pulse occurred at a 65° N July insolation of 416 W/m**2, close to today's value of 428 W/m**2, and may therefore be relevant for the interpretation of present-day climate variability.
Median Latitude: 50.169357 * Median Longitude: 6.773162 * South-bound Latitude: 50.160000 * West-bound Longitude: 6.589870 * North-bound Latitude: 50.186910 * East-bound Longitude: 6.836390
Ei2 (ELSA) * Latitude: 50.186910 * Longitude: 6.589870 * Elevation: 423.5 m * Location: Eigelbach Trockenmaar, Eifel, Germany * Method/Device: Drilling/drill rig (DRILL) * Comment: Gauß-Krüger coordinate system: 2542122/5561234
ELSA (Eifel Laminated Sediment Archive) * Latitude: 50.160000 * Longitude: 6.830000 * Comment: Combination of different ELSA-Cores
1.Core SM2: 2561350/5559650 (Gauß-Krüger coordinate system), 400 m NN Schalkenmehrener Maar; 2.Core DE2: 2536118/5573152, 565 m NN Dehner Maar; 3.Core OW1: 2567153/5556565, 385 m NN Oberwinkler Maar; 4.Core HL2: 2559752/5558994, 402.5 m NN Maar Westlich Hoher List
Datasets listed in this publication series
- Sirocko, F; Dreher, F (2005): Relative abundance of pollen recorded in sediment profile Ei2. https://doi.org/10.1594/PANGAEA.472198
- Sirocko, F; Schaber, K (2005): Greyscale stack of four profiles from the Eifel Laminated Sediment Archive. https://doi.org/10.1594/PANGAEA.465077
- Sirocko, F; Seelos, K (2005): Silt content (20-63 µm) of light particles in sediment profile HL2. https://doi.org/10.1594/PANGAEA.465074
- Sirocko, F; Dreher, F (2005): Relative abundance of pollen recorded in sediment profile HL2. https://doi.org/10.1594/PANGAEA.465037