Retrieving a common accumulation record from Greenland ice cores for the past 1800 years

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Standard

Retrieving a common accumulation record from Greenland ice cores for the past 1800 years. / Andersen, Katrine K.; Ditlevsen, Peter D.; Rasmussen, Sune Olander; Clausen, Henrik Brink; Vinther, Bo Møllesøe; Johnsen, Sigfus Johann; Steffensen, Jørgen Peder.

I: Journal of Geophysical Research - Atmospheres, Bind 111, Nr. D15, 2006, s. D15106.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

Harvard

Andersen, KK, Ditlevsen, PD, Rasmussen, SO, Clausen, HB, Vinther, BM, Johnsen, SJ & Steffensen, JP 2006, 'Retrieving a common accumulation record from Greenland ice cores for the past 1800 years', Journal of Geophysical Research - Atmospheres, bind 111, nr. D15, s. D15106. https://doi.org/10.1029/2005JD006765

APA

Andersen, K. K., Ditlevsen, P. D., Rasmussen, S. O., Clausen, H. B., Vinther, B. M., Johnsen, S. J., & Steffensen, J. P. (2006). Retrieving a common accumulation record from Greenland ice cores for the past 1800 years. Journal of Geophysical Research - Atmospheres, 111(D15), D15106. https://doi.org/10.1029/2005JD006765

Vancouver

Andersen KK, Ditlevsen PD, Rasmussen SO, Clausen HB, Vinther BM, Johnsen SJ o.a. Retrieving a common accumulation record from Greenland ice cores for the past 1800 years. Journal of Geophysical Research - Atmospheres. 2006;111(D15):D15106. https://doi.org/10.1029/2005JD006765

Author

Andersen, Katrine K. ; Ditlevsen, Peter D. ; Rasmussen, Sune Olander ; Clausen, Henrik Brink ; Vinther, Bo Møllesøe ; Johnsen, Sigfus Johann ; Steffensen, Jørgen Peder. / Retrieving a common accumulation record from Greenland ice cores for the past 1800 years. I: Journal of Geophysical Research - Atmospheres. 2006 ; Bind 111, Nr. D15. s. D15106.

Bibtex

@article{c002d49074c211dbbee902004c4f4f50,
title = "Retrieving a common accumulation record from Greenland ice cores for the past 1800 years",
abstract = "In the accumulation zone of the Greenland ice sheet the annual accumulation rate may be determined through identification of the annual cycle in the isotopic climate signal and other parameters that exhibit seasonal variations. On an annual basis the accumulation rate in different Greenland ice cores is highly variable, and the degree of correlation between accumulation series from different ice cores is low. However, when using multiyear averages of the different accumulation records, the correlation increases significantly. A statistical model has been developed to estimate the common climate signal in the different accumulation records through optimization of the ratio between the variance of the common signal and of the residual. Using this model, a common Greenland accumulation record for the past 1800 years has been extracted. The record shows significant 11.9 years periodicity. A sharp transition to very dry conditions is found just before A.D. 1200, and very dry conditions during the 13th century together with dry and cold spells during the 14th century may have put extra strain on the Norse population in Greenland and may have contributed to their extinction. Accumulation rates gradually decrease from a distinct maximum in A.D. 1394 to very dry conditions in the late 17th century and thus reflect the Little Ice Age.",
author = "Andersen, {Katrine K.} and Ditlevsen, {Peter D.} and Rasmussen, {Sune Olander} and Clausen, {Henrik Brink} and Vinther, {Bo M{\o}lles{\o}e} and Johnsen, {Sigfus Johann} and Steffensen, {J{\o}rgen Peder}",
note = "Paper id:: doi:10.1029/2005JD006765",
year = "2006",
doi = "10.1029/2005JD006765",
language = "English",
volume = "111",
pages = "D15106",
journal = "Journal of Geophysical Research",
issn = "0148-0227",
publisher = "American Geophysical Union",
number = "D15",

}

RIS

TY - JOUR

T1 - Retrieving a common accumulation record from Greenland ice cores for the past 1800 years

AU - Andersen, Katrine K.

AU - Ditlevsen, Peter D.

AU - Rasmussen, Sune Olander

AU - Clausen, Henrik Brink

AU - Vinther, Bo Møllesøe

AU - Johnsen, Sigfus Johann

AU - Steffensen, Jørgen Peder

N1 - Paper id:: doi:10.1029/2005JD006765

PY - 2006

Y1 - 2006

N2 - In the accumulation zone of the Greenland ice sheet the annual accumulation rate may be determined through identification of the annual cycle in the isotopic climate signal and other parameters that exhibit seasonal variations. On an annual basis the accumulation rate in different Greenland ice cores is highly variable, and the degree of correlation between accumulation series from different ice cores is low. However, when using multiyear averages of the different accumulation records, the correlation increases significantly. A statistical model has been developed to estimate the common climate signal in the different accumulation records through optimization of the ratio between the variance of the common signal and of the residual. Using this model, a common Greenland accumulation record for the past 1800 years has been extracted. The record shows significant 11.9 years periodicity. A sharp transition to very dry conditions is found just before A.D. 1200, and very dry conditions during the 13th century together with dry and cold spells during the 14th century may have put extra strain on the Norse population in Greenland and may have contributed to their extinction. Accumulation rates gradually decrease from a distinct maximum in A.D. 1394 to very dry conditions in the late 17th century and thus reflect the Little Ice Age.

AB - In the accumulation zone of the Greenland ice sheet the annual accumulation rate may be determined through identification of the annual cycle in the isotopic climate signal and other parameters that exhibit seasonal variations. On an annual basis the accumulation rate in different Greenland ice cores is highly variable, and the degree of correlation between accumulation series from different ice cores is low. However, when using multiyear averages of the different accumulation records, the correlation increases significantly. A statistical model has been developed to estimate the common climate signal in the different accumulation records through optimization of the ratio between the variance of the common signal and of the residual. Using this model, a common Greenland accumulation record for the past 1800 years has been extracted. The record shows significant 11.9 years periodicity. A sharp transition to very dry conditions is found just before A.D. 1200, and very dry conditions during the 13th century together with dry and cold spells during the 14th century may have put extra strain on the Norse population in Greenland and may have contributed to their extinction. Accumulation rates gradually decrease from a distinct maximum in A.D. 1394 to very dry conditions in the late 17th century and thus reflect the Little Ice Age.

U2 - 10.1029/2005JD006765

DO - 10.1029/2005JD006765

M3 - Journal article

VL - 111

SP - D15106

JO - Journal of Geophysical Research

JF - Journal of Geophysical Research

SN - 0148-0227

IS - D15

ER -

ID: 82194