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WACSWAIN SIGNED

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

Total Cost €

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EC-Contrib. €

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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.

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

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 UK (CAMBRIDGE) coordinator 1˙302˙035.00
2    UNITED KINGDOM RESEARCH AND INNOVATION UK (SWINDON) participant 1˙515˙518.00
3    NATURAL ENVIRONMENT RESEARCH COUNCIL UK (SWINDON WILTSHIRE) participant 0.00

Map

 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

year authors and title journal last update
List of publications.
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 Nehrbass‐Ahles, Scott Polfrey, Julius Rix, Isobel Rowell, Rebecca Tuckwell
What happened to WAIS during the last interglacial? ‐ 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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