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![Figure 1. A: Eemian pollen diagram at Jammertal, southwest Germany. As result of extraordinarily high counting sum of more than 2000 pollen grains per sample, it was possible to reveal robust presence–absence pattern in curve of Hedera, frost-sensitive species that requires oceanic winter climates, i.e., mild and moist. This feature points to cyclic (not necessarily periodic) changes in winter climates. B: Pollen-based climate reconstruction calculated with probability mutual climatic spheres method (Pross et al., 2000; Pross and Klotz, 2002; Klotz et al., 2003, 2004) indicates recurring cold events related to mean winter temperatures. Most likely values are shown in full lines with dots; probability intervals are in gray. Shaded horizontal bars with numbers in circles mark position of recurring cold events (cf. Fig. 3A).]()
![Figure 3. Presence–absence pattern of Hedera during last interglacial in high-count and normal-count record. A: High-count approach (average of 2102 grains per sample) performed for Jammertal record reveals robust intermittent pattern in occurrence of this frost-sensitive taxon. Numbers refer to cold events (cf. Fig. 1). B: Eemian pollen record of Quakenbrück (Hahne et al., 1994) (53°N, 8°E) shows presence–absence pattern as well. Some gaps in Hedera curve of Quakenbrück are considered relicts of counting sum (average of 794 grains per sample) insufficient to reliably document chronically underrepresented taxa.]()
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Journal Article
Cyclic climate fluctuations during the last interglacial in central Europe
Journal: Geology
Publisher: Geological Society of America
Published: 01 June 2005
Geology (2005) 33 (6): 449–452.
... , W.H. , 1961 , Vegetation, climate and radiocarbon datings in the late Pleistocene of the Netherlands: Part I: Eemian and early Weichselian : Mededelingen Geologische Stichting , v. 14 p. 15 - 45 . To verify the fluctuations found at Jammertal, we performed a pollen-based climate...
FIGURES
Image
Figure 1. A: Eemian pollen diagram at Jammertal, southwest Germany. As resu...
Published: 01 June 2005
Figure 1. A: Eemian pollen diagram at Jammertal, southwest Germany. As result of extraordinarily high counting sum of more than 2000 pollen grains per sample, it was possible to reveal robust presence–absence pattern in curve of Hedera , frost-sensitive species that requires oceanic winter
Image
Figure 3. Presence–absence pattern of Hedera during last interglacial in ...
Published: 01 June 2005
Figure 3. Presence–absence pattern of Hedera during last interglacial in high-count and normal-count record. A: High-count approach (average of 2102 grains per sample) performed for Jammertal record reveals robust intermittent pattern in occurrence of this frost-sensitive taxon. Numbers refer
