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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.

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

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.