The Gulf Stream moved northward at the end of the Little Ice Age

Abstract The Gulf Stream forms part of the upper-ocean limb of the Atlantic Meridional Overturning Circulation, playing an essential role in redistributing heat northward and greatly influencing regional climates in the North Atlantic. Understanding Gulf Stream path and strength variability on pre-i...

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Main Authors: Edward C. G. Forman, James U. L. Baldini, Robert A. Jamieson, Franziska A. Lechleitner, Izabela W. Walczak, Dan C. Nita, Struan R. Smith, David A. Richards, Lisa M. Baldini, Cameron McIntyre, Wolfgang Müller, Andrew J. Peters
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Communications Earth & Environment
Online Access:https://doi.org/10.1038/s43247-025-02446-3
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author Edward C. G. Forman
James U. L. Baldini
Robert A. Jamieson
Franziska A. Lechleitner
Izabela W. Walczak
Dan C. Nita
Struan R. Smith
David A. Richards
Lisa M. Baldini
Cameron McIntyre
Wolfgang Müller
Andrew J. Peters
author_facet Edward C. G. Forman
James U. L. Baldini
Robert A. Jamieson
Franziska A. Lechleitner
Izabela W. Walczak
Dan C. Nita
Struan R. Smith
David A. Richards
Lisa M. Baldini
Cameron McIntyre
Wolfgang Müller
Andrew J. Peters
author_sort Edward C. G. Forman
collection DOAJ
description Abstract The Gulf Stream forms part of the upper-ocean limb of the Atlantic Meridional Overturning Circulation, playing an essential role in redistributing heat northward and greatly influencing regional climates in the North Atlantic. Understanding Gulf Stream path and strength variability on pre-instrumental timescales is vital to contextualise its proposed present-day weakening and to better appreciate its sensitivity to external forcing. Here we present a 564 year-long monthly resolved terrestrial palaeo-oceanographic temperature record derived from a Bermudan stalagmite, spanning 1449 to 2013 in the Common Era. Our reconstruction suggests that the Gulf Stream migrated northward as the Little Ice Age abated, after a combination of reduced Gulf Stream transport, enhanced Labrador Current and Deep Western Boundary Current transport, and an extended negative North Atlantic Oscillation phase had likely forced its path southward.
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series Communications Earth & Environment
spelling doaj-art-89a87f318d7843a1a2070b236eff715e2025-08-20T03:06:08ZengNature PortfolioCommunications Earth & Environment2662-44352025-07-016111110.1038/s43247-025-02446-3The Gulf Stream moved northward at the end of the Little Ice AgeEdward C. G. Forman0James U. L. Baldini1Robert A. Jamieson2Franziska A. Lechleitner3Izabela W. Walczak4Dan C. Nita5Struan R. Smith6David A. Richards7Lisa M. Baldini8Cameron McIntyre9Wolfgang Müller10Andrew J. Peters11Department of Earth Sciences, University of DurhamDepartment of Earth Sciences, University of DurhamEarth Surface Science Institute, School of Earth and Environment, University of LeedsDepartment of Chemistry, Biochemistry and Pharmaceutical Sciences, and Oeschger Centre for Climate Change Research, University of BernDurham Centre for Academic Development, University of DurhamSchool of Geographical Sciences, University of BristolNatural History Museum, Bermuda Aquarium Museum and ZooSchool of Geographical Sciences, University of BristolSchool of Health & Life Sciences, Teesside UniversityLaboratory of Ion Beam Physics, ETH ZürichInstitute of Geosciences, Goethe University FrankfurtASU Bermuda Institute of Ocean SciencesAbstract The Gulf Stream forms part of the upper-ocean limb of the Atlantic Meridional Overturning Circulation, playing an essential role in redistributing heat northward and greatly influencing regional climates in the North Atlantic. Understanding Gulf Stream path and strength variability on pre-instrumental timescales is vital to contextualise its proposed present-day weakening and to better appreciate its sensitivity to external forcing. Here we present a 564 year-long monthly resolved terrestrial palaeo-oceanographic temperature record derived from a Bermudan stalagmite, spanning 1449 to 2013 in the Common Era. Our reconstruction suggests that the Gulf Stream migrated northward as the Little Ice Age abated, after a combination of reduced Gulf Stream transport, enhanced Labrador Current and Deep Western Boundary Current transport, and an extended negative North Atlantic Oscillation phase had likely forced its path southward.https://doi.org/10.1038/s43247-025-02446-3
spellingShingle Edward C. G. Forman
James U. L. Baldini
Robert A. Jamieson
Franziska A. Lechleitner
Izabela W. Walczak
Dan C. Nita
Struan R. Smith
David A. Richards
Lisa M. Baldini
Cameron McIntyre
Wolfgang Müller
Andrew J. Peters
The Gulf Stream moved northward at the end of the Little Ice Age
Communications Earth & Environment
title The Gulf Stream moved northward at the end of the Little Ice Age
title_full The Gulf Stream moved northward at the end of the Little Ice Age
title_fullStr The Gulf Stream moved northward at the end of the Little Ice Age
title_full_unstemmed The Gulf Stream moved northward at the end of the Little Ice Age
title_short The Gulf Stream moved northward at the end of the Little Ice Age
title_sort gulf stream moved northward at the end of the little ice age
url https://doi.org/10.1038/s43247-025-02446-3
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