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Compositional variability of ice-rafted debris in Heinrich layers 1 and 2 on the northwest European continental slope identified by environmental magnetic analyses

Research output: Contribution to journalArticle

DOI

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Compositional variability of ice-rafted debris in Heinrich layers 1 and 2 on the northwest European continental slope identified by environmental magnetic analyses. / Walden, John; Wadsworth, Emilie; Austin, William E. N.; Peters, Clare; Scourse, James D.; Hall, Ian R.

In: Journal of Quaternary Science, Vol. 22, No. 2, 02.2007, p. 163-172.

Research output: Contribution to journalArticle

Harvard

Walden, J, Wadsworth, E, Austin, WEN, Peters, C, Scourse, JD & Hall, IR 2007, 'Compositional variability of ice-rafted debris in Heinrich layers 1 and 2 on the northwest European continental slope identified by environmental magnetic analyses' Journal of Quaternary Science, vol. 22, no. 2, pp. 163-172. https://doi.org/10.1002/jqs.1020

APA

Walden, J., Wadsworth, E., Austin, W. E. N., Peters, C., Scourse, J. D., & Hall, I. R. (2007). Compositional variability of ice-rafted debris in Heinrich layers 1 and 2 on the northwest European continental slope identified by environmental magnetic analyses. Journal of Quaternary Science, 22(2), 163-172. https://doi.org/10.1002/jqs.1020

Vancouver

Walden J, Wadsworth E, Austin WEN, Peters C, Scourse JD, Hall IR. Compositional variability of ice-rafted debris in Heinrich layers 1 and 2 on the northwest European continental slope identified by environmental magnetic analyses. Journal of Quaternary Science. 2007 Feb;22(2):163-172. https://doi.org/10.1002/jqs.1020

Author

Walden, John ; Wadsworth, Emilie ; Austin, William E. N. ; Peters, Clare ; Scourse, James D. ; Hall, Ian R. / Compositional variability of ice-rafted debris in Heinrich layers 1 and 2 on the northwest European continental slope identified by environmental magnetic analyses. In: Journal of Quaternary Science. 2007 ; Vol. 22, No. 2. pp. 163-172.

Bibtex - Download

@article{ae80244ea9624928ae037dbf69215b39,
title = "Compositional variability of ice-rafted debris in Heinrich layers 1 and 2 on the northwest European continental slope identified by environmental magnetic analyses",
abstract = "The composition of ice-rafted debris (IRD) within a sediment core from the European continental slope (core OMEX-2K; 49 degrees 5' N, 13 degrees 26' W) has been examined using environmental magnetic analyses. The data demonstrate compositional variability of the IRD within Heinrich layers 2 (H2) and 1 (H1) and these differences are most readily explained by changes in the contribution of different IRD sources to the core site. Some IRD within the main Heinrich layers show magnetic signatures that are similar to IRD derived from the Laurentide ice sheet found in cores from within the main North Atlantic IRD-belt. In contrast, other IRD-rich layers, both prior to and within the journal of Quaternary Science main Heinrich layers, demonstrate different magnetic behaviour, suggesting a contribution from a non-Laurentide sourced IRD, most likely derived from ice streams discharging from northeast Atlantic ice sheets such as the British and Fennoscandian ice sheets. These data are consistent with published compositional data from the same core and, given the rapid, highly sensitive and non-destructive nature of the method, suggest that environmental magnetic analysis has considerable potential for characterising IRD materials within Heinrich layers for the purposes of defining provenance. Copyright (C) 2006 John Wiley & Sons, Ltd.",
keywords = "DEEP-SEA SEDIMENTS, ATLANTIC-OCEAN, LABRADOR SEA, SHEET VARIABILITY, NE ATLANTIC, GRAIN-SIZE, EVENTS, CLIMATE, OSCILLATIONS, TRANSITION",
author = "John Walden and Emilie Wadsworth and Austin, {William E. N.} and Clare Peters and Scourse, {James D.} and Hall, {Ian R.}",
year = "2007",
month = "2",
doi = "10.1002/jqs.1020",
language = "English",
volume = "22",
pages = "163--172",
journal = "Journal of Quaternary Science",
issn = "0267-8179",
publisher = "John Wiley & Sons, Ltd.",
number = "2",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Compositional variability of ice-rafted debris in Heinrich layers 1 and 2 on the northwest European continental slope identified by environmental magnetic analyses

AU - Walden, John

AU - Wadsworth, Emilie

AU - Austin, William E. N.

AU - Peters, Clare

AU - Scourse, James D.

AU - Hall, Ian R.

PY - 2007/2

Y1 - 2007/2

N2 - The composition of ice-rafted debris (IRD) within a sediment core from the European continental slope (core OMEX-2K; 49 degrees 5' N, 13 degrees 26' W) has been examined using environmental magnetic analyses. The data demonstrate compositional variability of the IRD within Heinrich layers 2 (H2) and 1 (H1) and these differences are most readily explained by changes in the contribution of different IRD sources to the core site. Some IRD within the main Heinrich layers show magnetic signatures that are similar to IRD derived from the Laurentide ice sheet found in cores from within the main North Atlantic IRD-belt. In contrast, other IRD-rich layers, both prior to and within the journal of Quaternary Science main Heinrich layers, demonstrate different magnetic behaviour, suggesting a contribution from a non-Laurentide sourced IRD, most likely derived from ice streams discharging from northeast Atlantic ice sheets such as the British and Fennoscandian ice sheets. These data are consistent with published compositional data from the same core and, given the rapid, highly sensitive and non-destructive nature of the method, suggest that environmental magnetic analysis has considerable potential for characterising IRD materials within Heinrich layers for the purposes of defining provenance. Copyright (C) 2006 John Wiley & Sons, Ltd.

AB - The composition of ice-rafted debris (IRD) within a sediment core from the European continental slope (core OMEX-2K; 49 degrees 5' N, 13 degrees 26' W) has been examined using environmental magnetic analyses. The data demonstrate compositional variability of the IRD within Heinrich layers 2 (H2) and 1 (H1) and these differences are most readily explained by changes in the contribution of different IRD sources to the core site. Some IRD within the main Heinrich layers show magnetic signatures that are similar to IRD derived from the Laurentide ice sheet found in cores from within the main North Atlantic IRD-belt. In contrast, other IRD-rich layers, both prior to and within the journal of Quaternary Science main Heinrich layers, demonstrate different magnetic behaviour, suggesting a contribution from a non-Laurentide sourced IRD, most likely derived from ice streams discharging from northeast Atlantic ice sheets such as the British and Fennoscandian ice sheets. These data are consistent with published compositional data from the same core and, given the rapid, highly sensitive and non-destructive nature of the method, suggest that environmental magnetic analysis has considerable potential for characterising IRD materials within Heinrich layers for the purposes of defining provenance. Copyright (C) 2006 John Wiley & Sons, Ltd.

KW - DEEP-SEA SEDIMENTS

KW - ATLANTIC-OCEAN

KW - LABRADOR SEA

KW - SHEET VARIABILITY

KW - NE ATLANTIC

KW - GRAIN-SIZE

KW - EVENTS

KW - CLIMATE

KW - OSCILLATIONS

KW - TRANSITION

UR - http://www.scopus.com/inward/record.url?scp=33847164847&partnerID=8YFLogxK

U2 - 10.1002/jqs.1020

DO - 10.1002/jqs.1020

M3 - Article

VL - 22

SP - 163

EP - 172

JO - Journal of Quaternary Science

T2 - Journal of Quaternary Science

JF - Journal of Quaternary Science

SN - 0267-8179

IS - 2

ER -

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ID: 659338