A reconstruction of Holocene sea ice variability from the Holsteinsborg Dyb off West Greenland

We present a reconstruction of Holocene sea-ice variability from sediment core GA306-GC3, from the Holsteinsborg Dyb off West Greenland, which provides an index of palaeoceanographic and palaeoenvironmental conditions within this climatically sensitive region during the last 6700 yr. The reconstruct...

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Bibliographic Details
Main Author: Sha, Longbin
Format: Dataset
Language:English
Published: PANGAEA 2019
Subjects:
AGE
Climate Change: Learning from the past climate
DEPTH
sediment/rock
GA306-GC3
Galathea 3
GC
Gravity corer
Greenland Sea
HDMS Vaedderen
Past4Future
Sea ice concentration
Greenland
Sea ice
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.899173
https://doi.org/10.1594/PANGAEA.899173
Description
Summary:We present a reconstruction of Holocene sea-ice variability from sediment core GA306-GC3, from the Holsteinsborg Dyb off West Greenland, which provides an index of palaeoceanographic and palaeoenvironmental conditions within this climatically sensitive region during the last 6700 yr. The reconstructed sea-ice record, combined with previously published proxy data, suggests that relatively warm conditions with reduced seaice extent prior to 5000 cal. yr BP were associated with the Holocene Thermal Maximum. Subsequent cooling and extensive sea-ice cover between ca. 5000 and 4000 cal. yr BP was followed by even colder conditions and persistent sea-ice cover during the Neoglacial cooling phase, particularly after ca. 1500 cal. yr BP.

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