Palynology of six middle and late Holocene peat sections, Baffin Island
نویسندگان
چکیده
منابع مشابه
Holocene glaciation and climate evolution of Baffin Island, Arctic Canada
Lake sediment cores and cosmogenic exposure (CE) dates constrain the pattern of deglaciation and evolution of climate across Baffin Island since the last glacial maximum (LGM). CE dating of erratics demonstrates that the northeastern coastal lowlands became ice-free ca.14 ka as the Laurentide Ice Sheet (LIS) receded from its LGM margin on the continental shelf. Coastal lakes in southeastern Baf...
متن کاملLatest Pleistocene and Holocene glaciation of Baffin Island, Arctic Canada: key patterns and chronologies
Melting glaciers and ice caps on Baffin Island contribute roughly half of the sea-level rise from all ice in Arctic Canada, although they comprise only one-fourth of the total ice in the region. The uncertain future response of arctic glaciers and ice caps to climate change motivates the use of paleodata to evaluate the sensitivity of glaciers to past warm intervals and to constrain mechanisms ...
متن کاملA multi-proxy lacustrine record of Holocene climate change on northeastern Baffin Island, Arctic Canada
Reconstructions of past environmental changes are critical for understanding the natural variability of Earth’s climate system and for providing a context for present and future global change. Radiocarbon-dated lake sediments from Lake CF3, northeastern Baffin Island, Arctic Canada, are used to reconstruct past environmental conditions over the last 11,200 years. Numerous proxies, including chi...
متن کاملPaleoecological evidence for abrupt cold reversals during peak Holocene warmth on Baffin Island, Arctic Canada
Article history: A continuous record of in Received 1 August 2007 Available online 25 November 2008
متن کاملHolocene alpine glaciation inferred from lacustrine sediments on northeastern Baffin Island, Arctic Canada
With accelerated melting of alpine glaciers, understanding the future state of the cryosphere is critical. Because the observational record of glacier response to climate change is short, palaeo-records of glacier change are needed. Using proglacial lake sediments, which contain continuous and datable records of past glacier activity, we investigate Holocene glacier fluctuations on northeastern...
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ژورنال
عنوان ژورنال: Géographie physique et Quaternaire
سال: 2011
ISSN: 1492-143X,0705-7199
DOI: 10.7202/1000384ar