Rapid northern hemisphere ice sheet melting during the penultimate deglaciation

Heather M Stoll; Isabel Cacho; Edward Gasson; Jakub Sliwinski; Oliver Kost; Ana Moreno; Miguel Iglesias; Judit Torner; Carlos Perez-Mejias; Negar Haghipour; Hai Cheng; R Lawrence Edwards

doi:10.1038/s41467-022-31619-3

Rapid northern hemisphere ice sheet melting during the penultimate deglaciation

Heather M Stoll^*, Isabel Cacho, Edward Gasson, Jakub Sliwinski, Oliver Kost, Ana Moreno, Miguel Iglesias, Judit Torner, Carlos Perez-Mejias, Negar Haghipour, Hai Cheng, R Lawrence Edwards

^*Corresponding author for this work

School of Earth & Environmental Sciences

Research output: Contribution to journal › Article › peer-review

Abstract

The rate and consequences of future high latitude ice sheet retreat remain a major concern given ongoing anthropogenic warming. Here, new precisely dated stalagmite data from NW Iberia provide the first direct, high-resolution records of periods of rapid melting of Northern Hemisphere ice sheets during the penultimate deglaciation. These records reveal the penultimate deglaciation initiated with rapid century-scale meltwater pulses which subsequently trigger abrupt coolings of air temperature in NW Iberia consistent with freshwater-induced AMOC slowdowns. The first of these AMOC slowdowns, 600-year duration, was shorter than Heinrich 1 of the last deglaciation. Although similar insolation forcing initiated the last two deglaciations, the more rapid and sustained rate of freshening in the eastern North Atlantic penultimate deglaciation likely reflects a larger volume of ice stored in the marine-based Eurasian Ice sheet during the penultimate glacial in contrast to the land-based ice sheet on North America as during the last glacial.

Original language	English
Article number	3819
Number of pages	16
Journal	Nature Communications
Volume	13
DOIs	https://doi.org/10.1038/s41467-022-31619-3
Publication status	Published - 2 Jul 2022

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1038/s41467-022-31619-3Licence: CC BY

Stoll_2022_NC_Rapid-northern-hemisphere_CC
Copyright © The Author(s) 2022. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
Final published version, 2.77 MBLicence: CC BY

Cite this

@article{8d95111357114d948f8b5f8eb5140ff7,

title = "Rapid northern hemisphere ice sheet melting during the penultimate deglaciation",

abstract = "The rate and consequences of future high latitude ice sheet retreat remain a major concern given ongoing anthropogenic warming. Here, new precisely dated stalagmite data from NW Iberia provide the first direct, high-resolution records of periods of rapid melting of Northern Hemisphere ice sheets during the penultimate deglaciation. These records reveal the penultimate deglaciation initiated with rapid century-scale meltwater pulses which subsequently trigger abrupt coolings of air temperature in NW Iberia consistent with freshwater-induced AMOC slowdowns. The first of these AMOC slowdowns, 600-year duration, was shorter than Heinrich 1 of the last deglaciation. Although similar insolation forcing initiated the last two deglaciations, the more rapid and sustained rate of freshening in the eastern North Atlantic penultimate deglaciation likely reflects a larger volume of ice stored in the marine-based Eurasian Ice sheet during the penultimate glacial in contrast to the land-based ice sheet on North America as during the last glacial.",

author = "Stoll, {Heather M} and Isabel Cacho and Edward Gasson and Jakub Sliwinski and Oliver Kost and Ana Moreno and Miguel Iglesias and Judit Torner and Carlos Perez-Mejias and Negar Haghipour and Hai Cheng and Edwards, {R Lawrence}",

note = "Funding: The research was funded by HIDROPAST (CGL2010-16376) OPERA (CTM2013-48639-C2-1-R) and CHIMERA (CTM2016-75411-R) all to HMS, IC, and AM, and ETH core funding to HS. JT and MI were funded by doctoral FPI fellowships of CTM2013-48639-C2-1-R, and OK by doctoral Fellowship ETH-13 18-1. CP and HC acknowledge NSFC Grant 41888101, AM acknowledges CGL2016-77479-R, and R.L.E acknowledges NSF 1702816 and the 111 program of China grant D19002. IC and JT acknowledge Generalitat de Catalunya Grups de Recerca Consolidats grant 2017 SGR 315 to GRC Geoci{\`e}ncies Marines, and IC acknowledges the ICREA-Academia programme from the Generalitat de Catalunya and PID2019-105523RB-I00. EG is funded by a Royal Society University Research Fellowship (R1/180317).",

year = "2022",

month = jul,

day = "2",

doi = "10.1038/s41467-022-31619-3",

language = "English",

volume = "13",

journal = "Nature Communications",

issn = "2041-1723",

publisher = "Nature publishing group",

}

TY - JOUR

T1 - Rapid northern hemisphere ice sheet melting during the penultimate deglaciation

AU - Stoll, Heather M

AU - Cacho, Isabel

AU - Gasson, Edward

AU - Sliwinski, Jakub

AU - Kost, Oliver

AU - Moreno, Ana

AU - Iglesias, Miguel

AU - Torner, Judit

AU - Perez-Mejias, Carlos

AU - Haghipour, Negar

AU - Cheng, Hai

AU - Edwards, R Lawrence

N1 - Funding: The research was funded by HIDROPAST (CGL2010-16376) OPERA (CTM2013-48639-C2-1-R) and CHIMERA (CTM2016-75411-R) all to HMS, IC, and AM, and ETH core funding to HS. JT and MI were funded by doctoral FPI fellowships of CTM2013-48639-C2-1-R, and OK by doctoral Fellowship ETH-13 18-1. CP and HC acknowledge NSFC Grant 41888101, AM acknowledges CGL2016-77479-R, and R.L.E acknowledges NSF 1702816 and the 111 program of China grant D19002. IC and JT acknowledge Generalitat de Catalunya Grups de Recerca Consolidats grant 2017 SGR 315 to GRC Geociències Marines, and IC acknowledges the ICREA-Academia programme from the Generalitat de Catalunya and PID2019-105523RB-I00. EG is funded by a Royal Society University Research Fellowship (R1/180317).

PY - 2022/7/2

Y1 - 2022/7/2

N2 - The rate and consequences of future high latitude ice sheet retreat remain a major concern given ongoing anthropogenic warming. Here, new precisely dated stalagmite data from NW Iberia provide the first direct, high-resolution records of periods of rapid melting of Northern Hemisphere ice sheets during the penultimate deglaciation. These records reveal the penultimate deglaciation initiated with rapid century-scale meltwater pulses which subsequently trigger abrupt coolings of air temperature in NW Iberia consistent with freshwater-induced AMOC slowdowns. The first of these AMOC slowdowns, 600-year duration, was shorter than Heinrich 1 of the last deglaciation. Although similar insolation forcing initiated the last two deglaciations, the more rapid and sustained rate of freshening in the eastern North Atlantic penultimate deglaciation likely reflects a larger volume of ice stored in the marine-based Eurasian Ice sheet during the penultimate glacial in contrast to the land-based ice sheet on North America as during the last glacial.

AB - The rate and consequences of future high latitude ice sheet retreat remain a major concern given ongoing anthropogenic warming. Here, new precisely dated stalagmite data from NW Iberia provide the first direct, high-resolution records of periods of rapid melting of Northern Hemisphere ice sheets during the penultimate deglaciation. These records reveal the penultimate deglaciation initiated with rapid century-scale meltwater pulses which subsequently trigger abrupt coolings of air temperature in NW Iberia consistent with freshwater-induced AMOC slowdowns. The first of these AMOC slowdowns, 600-year duration, was shorter than Heinrich 1 of the last deglaciation. Although similar insolation forcing initiated the last two deglaciations, the more rapid and sustained rate of freshening in the eastern North Atlantic penultimate deglaciation likely reflects a larger volume of ice stored in the marine-based Eurasian Ice sheet during the penultimate glacial in contrast to the land-based ice sheet on North America as during the last glacial.

U2 - 10.1038/s41467-022-31619-3

DO - 10.1038/s41467-022-31619-3

M3 - Article

C2 - 35780147

SN - 2041-1723

VL - 13

JO - Nature Communications

JF - Nature Communications

M1 - 3819

ER -

Rapid northern hemisphere ice sheet melting during the penultimate deglaciation

Abstract

UN SDGs

Access to Document

Fingerprint

Cite this