Objective
The primary scientific objectives of this project are twofold, 1) to improve understanding of the mechanisms which generate the geomagnetic field in the core by careful study of geomagnetic excursions (brief changes in direction and intensity of the geomagnetic field) and, 2) to better understand the correlation between geomagnetic-field intensity, production rate of cosmogenic nuclides, and climate variations.
This project will involve a detailed study of two such geomagnetic excursions, the Blake and the Jamaica, in three sediment cores at varying latitude. It will assess the exact magnetic-field behaviour during the excursions, in terms of direction, intensity, and duration. By combining already existing oxygen isotope stratigraphies for these cores with precise estimates of the sedimentation rates from 230Thxs measurements (an approach termed Th-normalization) the exact duration of these excursions will be constrained. Measurements of the flux of cosmogenic nuclides (10Be) to the sediments during the magnetic excursions will also be performed to assess the relationship between field intensity and cosmogenic production rates.
Th-normalization is required to calculate the exact fluxes of 10Be to the sediments, because the concentration of 10Be is dependent on sedimentation rate. As the project develops, absolute palaeointensities from lava flows will also be measured and combined with the relative palaeointensity from the sediments to construct a detailed record of the absolute palaeointensity for the last 100-200 kyr. This work will provide the first direct correlation of geomagnetic-field intensity with the production rate of cosmogenic nuclides, both measured in the same discrete samples. Furthermore, to investigate the relationship between the Earth's magnetic field and climate variations, the palaeointensity record obtained in this study will be compared with existing climate records from the Vostok ice-core.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
FP6-2002-MOBILITY-5
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Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
OXFORD
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.