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CoreSat SIGNED

Dynamics of Earth’s core from multi-satellite observations

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

CoreSat project word cloud

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

utilising contaminating numerical first advantage planetary mission currents assimilated convection earth crustal atlantic theory polar swarm purpose region habitat forecast quasi sources removing separated geostrophic scheme kinetic missions separate improvements responsible ongoing dynamo made global hypothesis probe dependence fundamental isolating core signature weak model observations survey grown urgent south multiple energy lithosphere simultaneously moving interactions magnetic geology converting liquid plays ionosphere understand models evolution size dynamics co satellites ionospheric data ground geodynamo outer prior interlinked pinning persistently time geomagnetic wind identical lithospheric decades wealth convective opportunity exquisite reprocessed parallel metal solar estimate constellation

Project "CoreSat" data sheet

The following table provides information about the project.

Coordinator	DANMARKS TEKNISKE UNIVERSITET Organization address address: ANKER ENGELUNDSVEJ 1 BYGNING 101 A city: KGS LYNGBY postcode: 2800 website: www.dtu.dk 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	Denmark [DK]
Project website	http://www.coresat.dtu.dk/
Total cost	1˙828˙708 €
EC max contribution	1˙828˙708 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2017-COG
Funding Scheme	ERC-COG
Starting year	2018
Duration (year-month-day)	from 2018-03-01 to 2023-02-28

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	DANMARKS TEKNISKE UNIVERSITET DANMARKS TEKNISKE UNIVERSITET Organization address address: ANKER ENGELUNDSVEJ 1 BYGNING 101 A city: KGS LYNGBY postcode: 2800 website: www.dtu.dk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DK (KGS LYNGBY)	coordinator	1˙828˙708.00

Map

Project objective

Earth's magnetic field plays a fundamental role in our planetary habitat, controlling interactions between the Earth and the solar wind. Here, I propose to use magnetic observations, made simultaneously by multiple satellites, along with numerical models of outer core dynamics, to test whether convective processes can account for ongoing changes in the field. The geomagnetic field is generated by a dynamo process within the core converting kinetic energy of the moving liquid metal into magnetic energy. Yet observations show a region of persistently weak field in the South Atlantic that has grown in size in recent decades. Pinning down the core dynamics responsible for this behaviour is essential if we are to understand the detailed time-dependence of the geodynamo, and to forecast future field changes.

Global magnetic observations from the Swarm constellation mission, with three identical satellites now carrying out the most detailed ever survey of the geomagnetic field, provide an exciting opportunity to probe the dynamics of the core in exquisite detail. To exploit this wealth of data, it is urgent that contaminating magnetic sources in the lithosphere and ionosphere are better separated from the core-generated field. I propose to achieve this, and to test the hypothesis that core convection has controlled the recent field evolution in the South Atlantic, via three interlinked projects. First I will co-estimate separate models for the lithospheric and core fields, making use of prior information from crustal geology and dynamo theory. In parallel, I will develop a new scheme for isolating and removing the signature of polar ionospheric currents, better utilising ground-based data. Taking advantage of these improvements, data from Swarm and previous missions will be reprocessed and then assimilated into a purpose-built model of quasi-geostrophic core convection.

Deliverables

List of deliverables.
Data Management Plan	Open Research Data Pilot	2019-09-05 12:46:10

Take a look to the deliverables list in detail: detailed list of CoreSat deliverables.

Publications

List of publications.
year	authors and title	journal	last update
2019	Clemens Kloss, Christopher C Finlay Time-dependent low-latitude core flow and geomagnetic field acceleration pulses published pages: 140-168, ISSN: 0956-540X, DOI: 10.1093/gji/ggy545	Geophysical Journal International 217/1	2019-11-11

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The information about "CORESAT" are provided by the European Opendata Portal: CORDIS opendata.