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Southern Ocean and Antarctic Climatic Phasing:Tephrochronological Correlation of Southern Ocean Marine Records and Antarctic Ice-cores

Total Cost €


EC-Contrib. €






 SHARP project word cloud

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

levels    inspection    recording    visible    forcing    scope    hemispheres    synchronise    thermal    determining    core    identification    variations    boundary    cryptotephras    glacial    heat    anthropogenic    trace    caused    constraints    region    synchronous    precise    technique    volcanic    distal    provides    dml    relationships    antarctic    horizons    temporal    establishing    network    see    deep    interhemispheric    timing    bp    realm    asynchronous    atmospheric    transfer    mechanisms    saw    water    phasing    variability    epica    deposited    time    recognition    atlantic    rising    upwind    ascertaining    synchronisation    bipolar    models    rate    ocean    palaeoclimatic    records    advancing    tephrochronology    southern    tighter    assessing    hemisphere    oceanic    climatic    independently    ice    reorganisations    co2    simulating    tie    regions    marine    kyr    lines    earth    period    sedimentary    valuable    fluctuations    archives    cores    unknown    sheet    cryptotephra    ventilation    sequences    northern    previously    last    ash   

Project "SHARP" data sheet

The following table provides information about the project.


Organization address
address: NEWPORT ROAD 30-36
postcode: CF24 ODE

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]
 Project website
 Total cost 267˙147 €
 EC max contribution 267˙147 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-GF
 Starting year 2016
 Duration (year-month-day) from 2016-09-01   to  2019-08-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CARDIFF UNIVERSITY UK (CARDIFF) coordinator 267˙147.00
2    UNIVERSITAET BERN CH (BERN) partner 0.00


 Project objective

Determining the temporal relationships of large-scale atmospheric and oceanic fluctuations is crucial for advancing understanding of the mechanisms controlling heat transfer between the Northern and Southern Hemispheres. The thermal bipolar see-saw caused asynchronous interhemispheric climatic changes during the last glacial period and Southern Ocean marine records and the Antarctic ice-cores are valuable archives recording this past climatic variability. Ascertaining the precise phasing of the climatic variability between these records provides crucial boundary conditions for testing models simulating the future behaviour of the bipolar see-saw and assessing potential large-scale oceanic and atmospheric reorganisations under anthropogenic forcing. In addition, establishing tighter constraints on phase relationships between sedimentary evidence for deep-water ventilation of CO2, and ice-core evidence for past atmospheric CO2 variations is key to determining the future response of the Earth system to rising CO2 levels. This project will address this challenge by ascertaining the rate, timing and phasing of Southern Hemisphere climatic changes between 40-10 kyr BP using tephrochronology to independently synchronise the palaeoclimatic sequences using common horizons of volcanic ash as time-synchronous tie-lines. Recognition of ash horizons not visible upon core inspection (cryptotephras) within sequences increasingly distal from volcanic regions has increased the scope of this technique. Cryptotephra identification methods will be used to trace ash horizons visible in Antarctic ice-cores into a marine core network from the Southern Ocean Atlantic sector and to trace previously unknown horizons identified in the marine realm into the Antarctic Atlantic sector EPICA DML ice-core. This region has a high potential for synchronisation due to the number of upwind volcanic regions that have previously deposited volcanic ash over the ice-sheet and Southern Ocean.


year authors and title journal last update
List of publications.
2018 Peter M. Abbott, Adam J. Griggs, Anna J. Bourne, Siwan M. Davies
Tracing marine cryptotephras in the North Atlantic during the last glacial period: Protocols for identification, characterisation and evaluating depositional controls
published pages: 81-97, ISSN: 0025-3227, DOI: 10.1016/j.margeo.2018.04.008
Marine Geology 401 2020-03-20
2018 Peter M. Abbott, Adam J. Griggs, Anna J. Bourne, Mark R. Chapman, Siwan M. Davies
Tracing marine cryptotephras in the North Atlantic during the last glacial period: Improving the North Atlantic marine tephrostratigraphic framework
published pages: 169-186, ISSN: 0277-3791, DOI: 10.1016/j.quascirev.2018.03.023
Quaternary Science Reviews 189 2020-03-20

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