TY - JOUR
T1 - Variations in melt-layer frequency in the GISP2 ice core
T2 - implications for Holocene summer temperatures in central Greenland
AU - Alley, R. B.
AU - Anandakrishnan, S.
N1 - Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.
PY - 1995
Y1 - 1995
N2 - The rare melt features in the GISP2, central Greenland deep ice core have decreased in frequency over the most recent 7000 year. Calibration of this change in melt frequency against modern spatial and temporal variation of melt frequency and temperatures in central Greenland, indicates that mean mid-summer temperatures have cooled over the most recent 7000 years by slightly more than 1°C. Comparison to GRIP isotopic records from central Greenland and to the melt record from the Agassiz Ice Cap, Arctic Canada, suggests some seasonal and regional coherence for this cooling signal, as well as for a cold event about 8000-8500 BP. -from Authors
AB - The rare melt features in the GISP2, central Greenland deep ice core have decreased in frequency over the most recent 7000 year. Calibration of this change in melt frequency against modern spatial and temporal variation of melt frequency and temperatures in central Greenland, indicates that mean mid-summer temperatures have cooled over the most recent 7000 years by slightly more than 1°C. Comparison to GRIP isotopic records from central Greenland and to the melt record from the Agassiz Ice Cap, Arctic Canada, suggests some seasonal and regional coherence for this cooling signal, as well as for a cold event about 8000-8500 BP. -from Authors
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U2 - 10.3189/s0260305500015615
DO - 10.3189/s0260305500015615
M3 - Article
AN - SCOPUS:0029501787
SN - 0260-3055
VL - 21
SP - 64
EP - 70
JO - Annals of Glaciology
JF - Annals of Glaciology
ER -