CORDIS
EU research results

CORDIS

English EN
Antarctic Ice Sheet Response to Past Warmer than Present climates

Antarctic Ice Sheet Response to Past Warmer than Present climates

Objective

The Fifth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), identified the future evolution of the Antarctic Ice Sheet, particularly of its portions grounded on land that is below current sea level (marine-based), as one of the most dramatic unknowns in global climate predictions, severely hampering reliable estimations of sea-level rise for coming decades and centuries. Our objective is to study geological records of past deglaciations to understand the processes, rates and drivers of marine-based East Antarctic Ice Sheet (EAIS) loss. Because our climate is evolving to global atmospheric CO2 concentrations higher than 400 ppm (already higher than during Mid-Pliocene Warm Period in average), we propose to study two end-members: the last deglaciation (Holocene), and two Pliocene deglaciations taking place under a range of climatic and oceanic conditions. With this innovative approach, we can better understand the processes, rates and drivers of marine-based EAIS loss under warmer than present climates, their contribution to global sea level rise, and to assess their biological impacts. We will use strategically located paleoclimate records collected in a depth transect (continental shelf-to-rise sediment cores) from the East Antarctic Wilkes Land margin during the Integrated Ocean Drilling Program Expedition 318. In addition to the work proposed for this project, we benefit from an exceptional pool of unpublished and published geological material from these cores, which will allow us to conduct a high-resolution multiproxy study of the proposed glacial terminations in the timeframe of this project. Boundary conditions from these records will be key to validate and test current ice sheet models, which at present are highly parametrised and critically need observations (e.g. melt rates, ocean conditions and circulation, freshwater flux and stratification).
Leaflet | Map data © OpenStreetMap contributors, Credit: EC-GISCO, © EuroGeographics for the administrative boundaries

Coordinator

AGENCIA ESTATAL CONSEJO SUPERIOR DEINVESTIGACIONES CIENTIFICAS

Address

Calle Serrano 117
28006 Madrid

Spain

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 259 398,72

Project information

Grant agreement ID: 841980

Status

Ongoing project

  • Start date

    16 May 2019

  • End date

    15 May 2022

Funded under:

H2020-EU.1.3.2.

  • Overall budget:

    € 259 398,72

  • EU contribution

    € 259 398,72

Coordinated by:

AGENCIA ESTATAL CONSEJO SUPERIOR DEINVESTIGACIONES CIENTIFICAS

Spain