Arctic Holocene proxy climate database – new approaches to assessing geochronological accuracy and encoding climate variables
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چکیده
منابع مشابه
Arctic Holocene proxy climate database – new approaches to assessing geochronological accuracy and encoding climate variables
We present a systematic compilation of previously published Holocene proxy climate records from the Arctic. We identified 170 sites from north of 58 N latitude where proxy time series extend back at least to 6 cal ka (all ages in this article are in calendar years before present – BP), are resolved at submillennial scale (at least one value every 400± 200 years) and have age models constrained ...
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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 کاملHolocene 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...
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ژورنال
عنوان ژورنال: Climate of the Past
سال: 2014
ISSN: 1814-9332
DOI: 10.5194/cp-10-1605-2014