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WACSWAIN SIGNED

WArm Climate Stability of the West Antarctic ice sheet in the last INterglacial (WACSWAIN)

Total Cost €

EC-Contrib. €

Partnership

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WACSWAIN project word cloud

Explore the words cloud of the WACSWAIN project. It provides you a very rough idea of what is the project "WACSWAIN" about.

recent reached air interglacial uplift regrowth ourselves spatial marine predictions drilled metres models retrieval predict critical committing lack lig centuries contributed last ice time co2 115 papers emissions placed estimate clear 130 obtaining gi isotopes proxies realistic atmospheric site course data bedrock cores inferred antarctic circulation warmth remedy periphery outputs authors ago timing smaller recognisable temporal few salt profile aerosol came symptoms core global obtain climate strategically pattern examine assume question direct surprising sensitive significantly shelves questions concentrations isotope temperatures of ronne west sea isostatic retreat glacio peripheral leave worrying shelf water mainly lost caps model rising sheet content 2500 ross sheets wais signature

Project "WACSWAIN" data sheet

The following table provides information about the project.

Coordinator	THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE Organization address address: TRINITY LANE THE OLD SCHOOLS city: CAMBRIDGE postcode: CB2 1TN website: www.cam.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	United Kingdom [UK]
Total cost	2˙817˙554 €
EC max contribution	2˙817˙554 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2016-ADG
Funding Scheme	ERC-ADG
Starting year	2017
Duration (year-month-day)	from 2017-08-01 to 2022-07-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE THE CHANCELLOR MASTERS AND SCHOLARSOF THE UNIVERSITY OF CAMBRIDGE Organization address address: TRINITY LANE THE OLD SCHOOLS city: CAMBRIDGE postcode: CB2 1TN website: www.cam.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (CAMBRIDGE)	coordinator	1˙302˙035.00
2	UNITED KINGDOM RESEARCH AND INNOVATION UNITED KINGDOM RESEARCH AND INNOVATION Organization address address: POLARIS HOUSE NORTH STAR AVENUE city: SWINDON postcode: SN2 1FL website: n.a. contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (SWINDON)	participant	1˙515˙518.00
3	NATURAL ENVIRONMENT RESEARCH COUNCIL NATURAL ENVIRONMENT RESEARCH COUNCIL Organization address address: Polaris House, North Star Avenue city: SWINDON WILTSHIRE postcode: SN2 1EU website: http://www.nerc.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (SWINDON WILTSHIRE)	participant	0.00

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Project objective

Recent papers predict the loss of most of the West Antarctic Ice Sheet (WAIS) by 2500 if CO2 emissions and rising global temperatures are not controlled. It is critical to test whether the models making such worrying predictions are realistic. I will do this by obtaining new data from the last interglacial (LIG, 130,000-115,000 years ago) to assess the response of the WAIS to comparable warmth.

During the LIG, sea level reached 6-9 m higher than today. It is inferred that Antarctic ice sheets contributed several metres of sea level rise, under a climate similar to the one we could be committing ourselves to in the next few centuries. Most authors assume that the lost ice came mainly from the WAIS. Models that predict large ice loss in the future also produce a very significant retreat of the WAIS and loss of the Ross and Ronne ice shelves under LIG conditions.

Were the WAIS and Ronne Ice Shelf significantly smaller in the LIG? If so, what was the time course of their retreat and regrowth? This project will remedy the surprising lack of direct evidence about these questions. I will examine data from ice cores that reach the LIG, drilled on the periphery of the WAIS. I will include retrieval of one new strategically-placed bedrock core, and obtain an isotope profile that will test the potential of another site. The loss of much of the WAIS would have several effects on peripheral ice caps: glacio-isostatic (GI) uplift and a change in atmospheric circulation would cause a recognisable spatial and temporal pattern of symptoms. The retreat of the Ronne Ice Shelf would leave a clear signature in marine aerosol concentrations in the ice. By examining changes in water isotopes, sea salt, air content and other proxies in all the cores, in comparison with different model outputs, I will estimate the timing and extent of WAIS retreat and regrowth during the LIG. This will support or question the use of sensitive models to predict future change in the WAIS.

Publications

List of publications.
year	authors and title	journal	last update
2019	Laurie Menviel, Emilie Capron, Aline Govin, Andrea Dutton, Lev Tarasov, Ayako Abe-Ouchi, Russell N. Drysdale, Philip L. Gibbard, Lauren Gregoire, Feng He, Ruza F. Ivanovic, Masa Kageyama, Kenji Kawamura, Amaelle Landais, Bette L. Otto-Bliesner, Ikumi Oyabu, Polychronis C. Tzedakis, Eric Wolff, Xu Zhang The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 published pages: 3649-3685, ISSN: 1991-9603, DOI: 10.5194/gmd-12-3649-2019	Geoscientific Model Development 12/8	2020-03-23
2020	Eric Wolff, Robert Mulvaney, Sentia Goursaud, Mackenzie Grieman, Helene Hoffmann, Jack Humby, Amy King, Emily Ludlow, Shaun Miller, Christoph Nehrbassâ€Ahles, Scott Polfrey, Julius Rix, Isobel Rowell, Rebecca Tuckwell What happened to WAIS during the last interglacial? â€ how the new Skytrain Ice Rise core will help to answer that (abstract) published pages: 73, ISSN: , DOI:	QUATERNARY RESEARCH ASSOCIATION ANNUAL DISCUSSION MEETING ABSTRACTS Annual	2020-03-23

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