Detecting Holocene Changes in the Atlantic Meridional Overturning Circulation: Integration of Proxy Data and Climate Simulations

Audrey Morley; David Heslop; Carsten RÃ¼hlemann; Stefan Mulitza; Andre Paul; Michael Schulz

doi:10.1007/978-3-319-00693-2_8

Detecting Holocene Changes in the Atlantic Meridional Overturning Circulation: Integration of Proxy Data and Climate Simulations

Audrey Morley, David Heslop, Carsten RÃ¼hlemann, Stefan Mulitza, Andre Paul, Michael Schulz

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

The contribution of central water circulation to the Atlantic Meridional Overturning Circulation (AMOC) and its role in natural climate variability remain poorly understood. Limits in our knowledge are due to the scarcity of high resolution records from central water depth and the limited abilities of proxy parameters to reconstruct small changes in Holocene central water properties. We addressed these issues by combining paleoclimate modeling of fingerprints (UVic ESCM version 2.8) that identify suitable locations and parameters to reconstruct past central water variability with the development and application of a new Mg/Ca-paleotemperature calibration for the benthic foraminifera Hyalinea balthica. The presented records demonstrate the important role of central water circulation in communicating regional climate signatures of various forcings (freshwater flux, solar variability, orbital parameters) onto a hemispheric or global scale via cross-gyre meridional heat transfer from high to low latitudes

Original language	English
Title of host publication	Integrated Analysis of Interglacial Climate Dynamics
Editors	Michael Schulz & Andre Paul
Place of Publication	Online
Publisher	Springer International Publishing AG
Pages	43-48pp
Volume	1
Edition	First
ISBN (Print)	9783319006932
DOIs	https://doi.org/10.1007/978-3-319-00693-2_8
Publication status	Published - 2015

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10.1007/978-3-319-00693-2_8

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Morley, A., Heslop, D., RÃ¼hlemann, C., Mulitza, S., Paul, A., & Schulz, M. (2015). Detecting Holocene Changes in the Atlantic Meridional Overturning Circulation: Integration of Proxy Data and Climate Simulations. In M. S. . A. P. (Ed.), Integrated Analysis of Interglacial Climate Dynamics (First ed., Vol. 1, pp. 43-48pp). Springer International Publishing AG. https://doi.org/10.1007/978-3-319-00693-2_8

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abstract = "The contribution of central water circulation to the Atlantic Meridional Overturning Circulation (AMOC) and its role in natural climate variability remain poorly understood. Limits in our knowledge are due to the scarcity of high resolution records from central water depth and the limited abilities of proxy parameters to reconstruct small changes in Holocene central water properties. We addressed these issues by combining paleoclimate modeling of fingerprints (UVic ESCM version 2.8) that identify suitable locations and parameters to reconstruct past central water variability with the development and application of a new Mg/Ca-paleotemperature calibration for the benthic foraminifera Hyalinea balthica. The presented records demonstrate the important role of central water circulation in communicating regional climate signatures of various forcings (freshwater flux, solar variability, orbital parameters) onto a hemispheric or global scale via cross-gyre meridional heat transfer from high to low latitudes",

author = "Audrey Morley and David Heslop and Carsten R{\~A}¼hlemann and Stefan Mulitza and Andre Paul and Michael Schulz",

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Morley, A, Heslop, D, RÃ¼hlemann, C, Mulitza, S, Paul, A & Schulz, M 2015, Detecting Holocene Changes in the Atlantic Meridional Overturning Circulation: Integration of Proxy Data and Climate Simulations. in MSAP (ed.), Integrated Analysis of Interglacial Climate Dynamics. First edn, vol. 1, Springer International Publishing AG, Online, pp. 43-48pp. https://doi.org/10.1007/978-3-319-00693-2_8

Detecting Holocene Changes in the Atlantic Meridional Overturning Circulation: Integration of Proxy Data and Climate Simulations. / Morley, Audrey; Heslop, David; RÃ¼hlemann, Carsten et al.
Integrated Analysis of Interglacial Climate Dynamics. ed. / Michael Schulz & Andre Paul. Vol. 1 First. ed. Online: Springer International Publishing AG, 2015. p. 43-48pp.

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

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T1 - Detecting Holocene Changes in the Atlantic Meridional Overturning Circulation: Integration of Proxy Data and Climate Simulations

AU - Morley, Audrey

AU - Heslop, David

AU - RÃ¼hlemann, Carsten

AU - Mulitza, Stefan

AU - Paul, Andre

AU - Schulz, Michael

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AB - The contribution of central water circulation to the Atlantic Meridional Overturning Circulation (AMOC) and its role in natural climate variability remain poorly understood. Limits in our knowledge are due to the scarcity of high resolution records from central water depth and the limited abilities of proxy parameters to reconstruct small changes in Holocene central water properties. We addressed these issues by combining paleoclimate modeling of fingerprints (UVic ESCM version 2.8) that identify suitable locations and parameters to reconstruct past central water variability with the development and application of a new Mg/Ca-paleotemperature calibration for the benthic foraminifera Hyalinea balthica. The presented records demonstrate the important role of central water circulation in communicating regional climate signatures of various forcings (freshwater flux, solar variability, orbital parameters) onto a hemispheric or global scale via cross-gyre meridional heat transfer from high to low latitudes

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Morley A, Heslop D, RÃ¼hlemann C, Mulitza S, Paul A, Schulz M. Detecting Holocene Changes in the Atlantic Meridional Overturning Circulation: Integration of Proxy Data and Climate Simulations. In MSAP, editor, Integrated Analysis of Interglacial Climate Dynamics. First ed. Vol. 1. Online: Springer International Publishing AG. 2015. p. 43-48pp doi: 10.1007/978-3-319-00693-2_8

Detecting Holocene Changes in the Atlantic Meridional Overturning Circulation: Integration of Proxy Data and Climate Simulations

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