las e a interglacial. Pollen spectra from these cores were used to reconstruct past vegetation and climate of the Holocene and last interglacial. In each core, last interglacial sediments yielded remarkably high pollen concentrations, and included far greater variability, and directly involved in se...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.472.5184 2023-05-15T14:57:15+02:00 The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.472.5184 http://www.geotop.ca/pdf/devernalA/Frechette_et_al_Paleo3_2006.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.472.5184 http://www.geotop.ca/pdf/devernalA/Frechette_et_al_Paleo3_2006.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.geotop.ca/pdf/devernalA/Frechette_et_al_Paleo3_2006.pdf Arctic Pollen Last interglacial Paleoclimate Baffin Island text ftciteseerx 2016-01-08T07:22:39Z las e a interglacial. Pollen spectra from these cores were used to reconstruct past vegetation and climate of the Holocene and last interglacial. In each core, last interglacial sediments yielded remarkably high pollen concentrations, and included far greater variability, and directly involved in several key preserved in lake sediments are a useful proxy for reconstructing vegetation and climate. Lakes situated at sensitive ecotonal boundaries, such as the Low to Mid Palaeogeography, Palaeoclimatology, Palaeoprocesses that mediate climate change. Consequently,percentages of shrub (Betula and Alnus) pollen grains than did overlying Holocene sediments. Numerical comparisons of fossil pollen assemblages to a data set of 400 modern high-latitude lake sediment samples revealed that the last interglacial vegetation of east-central Baffin Island was Low Arctic in character, comparable to present-day southwest Greenland. From applications of both correspondence analysis regression and best modern analogue methodologies, we infer July air temperatures of the last interglacial to have been 4 to 5 °C warmer than present on eastern Baffin Island, which was warmer than any interval within the Holocene. On these grounds, we ascribe the lower lacustrine unit in these lakes to the climatic optimum of the last interglacial, ca. 117 to 130 ka Text Arctic Baffin Island Baffin Climate change Greenland Unknown Arctic Baffin Island Greenland |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
ftciteseerx |
language |
English |
topic |
Arctic Pollen Last interglacial Paleoclimate Baffin Island |
spellingShingle |
Arctic Pollen Last interglacial Paleoclimate Baffin Island |
topic_facet |
Arctic Pollen Last interglacial Paleoclimate Baffin Island |
description |
las e a interglacial. Pollen spectra from these cores were used to reconstruct past vegetation and climate of the Holocene and last interglacial. In each core, last interglacial sediments yielded remarkably high pollen concentrations, and included far greater variability, and directly involved in several key preserved in lake sediments are a useful proxy for reconstructing vegetation and climate. Lakes situated at sensitive ecotonal boundaries, such as the Low to Mid Palaeogeography, Palaeoclimatology, Palaeoprocesses that mediate climate change. Consequently,percentages of shrub (Betula and Alnus) pollen grains than did overlying Holocene sediments. Numerical comparisons of fossil pollen assemblages to a data set of 400 modern high-latitude lake sediment samples revealed that the last interglacial vegetation of east-central Baffin Island was Low Arctic in character, comparable to present-day southwest Greenland. From applications of both correspondence analysis regression and best modern analogue methodologies, we infer July air temperatures of the last interglacial to have been 4 to 5 °C warmer than present on eastern Baffin Island, which was warmer than any interval within the Holocene. On these grounds, we ascribe the lower lacustrine unit in these lakes to the climatic optimum of the last interglacial, ca. 117 to 130 ka |
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The Pennsylvania State University CiteSeerX Archives |
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Text |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.472.5184 http://www.geotop.ca/pdf/devernalA/Frechette_et_al_Paleo3_2006.pdf |
geographic |
Arctic Baffin Island Greenland |
geographic_facet |
Arctic Baffin Island Greenland |
genre |
Arctic Baffin Island Baffin Climate change Greenland |
genre_facet |
Arctic Baffin Island Baffin Climate change Greenland |
op_source |
http://www.geotop.ca/pdf/devernalA/Frechette_et_al_Paleo3_2006.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.472.5184 http://www.geotop.ca/pdf/devernalA/Frechette_et_al_Paleo3_2006.pdf |
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