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SHARP

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

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 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.

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

Project "SHARP" data sheet

The following table provides information about the project.

Coordinator
CARDIFF UNIVERSITY 

Organization address
address: NEWPORT ROAD 30-36
city: CARDIFF
postcode: CF24 ODE
website: www.cardiff.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]
 Project website https://www.cardiff.ac.uk/people/view/463849-
 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

 Partnership

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

Map

 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.

 Publications

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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