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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.

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

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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