Potential influence of Bond events on mid-Holocene climate and vegetation in southern Pyrenees as assessed from Burg lake LOI and pollen records
作者： Albert Pèlachs , Ramón Julià , Ramon Pérez-Obiol , Joan Manuel Soriano , Marie-Claude Bal
关键词: Holocene 、 Paleolimnology 、 Vegetation 、 Orbital forcing 、 Palynology 、 Loss on ignition 、 Climate change 、 Oceanography 、 Limnology 、 Geology
摘要: Superimposed on the long-term climate variability attributed to orbital forcing, there are other modes of covering timescales from interannual millennial throughout Holocene. Their signatures in proxy archives can differ substantially because their lower magnitude and regional diversity. However, if identified they yield better understanding physical mechanisms regionally linking causes effects. Here we describe a high-resolution record organic matter accumulation sediments Burg lake (Pyrenees, NE Iberian Peninsula), as assessed using loss ignition (LOI), compare it with ice rafted debris (IRD) indexes North Atlantic. The LOI indicates two main phases water body, lacustrine phase shallow palustrine fen. latter covers period 2600—7200 cal. yr BP within is high coherence between IRD, which submillennial fluctuations Pyrenees that can...
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