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SCrIPT SIGNED

Stable Chromium Isotopes as a Productivity Tracer

Total Cost €

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EC-Contrib. €

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Partnership

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 SCrIPT project word cloud

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

driver    isotopes    evolution    glacial    proxy    biological    global    observations    spatial    strength    despite    culture    pivotal    co2    capacity    cr    subsequently    investigations    cycle    governing    bcp    productivity    dioxide    toward    anthropogenic    climatic    gathered    pump    constrained    experiments    mechanism    oceanic    atmosphere    trace    oxygen    geological    buffering    biogeochemical    remineralization    chromium    variability    regulating    variations    mechanisms    isotopic    tracer    interior    ocean    multidisciplinary    carbon    thoroughly    nonetheless    modulating    concentrations    substantial    sedimentary    point    overarching    potentially    column    subtle    significance    dominant    marine    history    mediated    appraise    calibration    oscillations    explore    water    ecosystem    declining    climate    elucidating    sensitivities    slower    exchange    poorly    stable    tended    fractionation    framework    export    interglacial    organic    earth    redox    temporal    phytoplankton    atmospheric    reconstruct    refining   

Project "SCrIPT" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITAET BERN 

Organization address
address: HOCHSCHULSTRASSE 6
city: BERN
postcode: 3012
website: http://www.unibe.ch

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 Switzerland [CH]
 Total cost 1˙997˙625 €
 EC max contribution 1˙997˙625 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2018-COG
 Funding Scheme ERC-COG
 Starting year 2019
 Duration (year-month-day) from 2019-05-01   to  2024-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITAET BERN CH (BERN) coordinator 1˙997˙625.00

Map

 Project objective

The overall concept of this proposal is to investigate the main biogeochemical processes modulating spatial and temporal changes in marine export productivity, and assess their role in regulating atmospheric carbon dioxide (CO2) concentrations, both under present conditions and in the geological past. The exchange of CO2 between the atmosphere and ocean interior mediated by the oceanic ecosystem is a pivotal mechanism modulating the global carbon cycle, and thus, a substantial driver of the Earth’s climatic evolution.

The overarching objective of this research proposal is to develop a novel proxy to trace changes in the global strength of the marine biological carbon pump (BCP) based on stable Chromium (Cr) isotopes. Despite its significance for the global carbon cycle, the BCP is still poorly constrained. This project will explore a tracer that has recently been developed to investigate the rise of atmospheric oxygen in the early history of the Earth and develop it thoroughly through a comprehensive, multidisciplinary calibration program and apply it to the much more subtle redox variations associated with organic matter remineralization in the ocean. The proposed approach includes phytoplankton culture experiments, water-column investigations and sedimentary analysis and will aim at elucidating the mechanisms governing the reduction of Cr and its associated isotopic fractionation. The proxy will subsequently be used to reconstruct export production variability in the past and assess its role in modulating glacial/interglacial climate oscillations. These past changes tended to be much slower than the current, anthropogenic change. Nonetheless, they can help to appraise sensitivities and point toward potentially dominant mechanisms of change. The observations gathered within the framework of this research program will enable refining the evolution of the marine carbon cycle and the rapidly declining buffering capacity of the ocean.

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