University of Oulu

Trenchi L. et al. (2020) ESA Field-Aligned Currents—Methodology Inter-comparison Exercise. In: Dunlop M., Lühr H. (eds) Ionospheric Multi-Spacecraft Analysis Tools. ISSI Scientific Report Series, vol 17. Springer, Cham

ESA field-aligned currents : methodology inter-comparison exercise

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Author: Trenchi, Lorenzo1; The FAC-MICE Team; Kauristie, K.2;
Organizations: 1Serco for ESA—European Space Agency, ESA/ESRIN, Directorate of Earth Observation Programmes, Frascati (Roma), Italy
2Finnish Meteorological Institute, Helsinki, Finland
3University of Oulu, Oulu, Finland
4Institute of Space Science, Bucharest, Romania
5Jacobs University Bremen, Bremen, Germany
6Beihang University, Beijing, China
7Rutherford Appleton Laboratory, Chilton, UK
8The Institute of Crustal Dynamics, CEA, Beijing 100085, China
9Deutsches GeoForschungsZentrum, Potsdam, Germany
10University of Alberta, Edmonton, AB, Canada
11Mullard Space Science Laboratory, Holmbury Saint Mary, UK
12University of Calgary, H., Calgary, AB, Canada
13Johns Hopkins University, Baltimore, MD, USA
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 1.3 MB)
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Language: English
Published: Springer Nature, 2020
Publish Date: 2020-01-07


Various ESA projects and several proposals to first Swarm DISC Call for Ideas (May 2016) suggested possible evolution for the current Swarm Level 2 FAC products, and the implementation of quality flags for the FAC products. The Field-Aligned Currents—Methodology Inter-Comparison Exercise (FAC-MICE) consisted in comparison of the various methods to determine the FAC from Swarm data, with a test dataset of 28 Swarm auroral crossings delivered to participants last June. Eight groups performed the FAC-MICE analysis. The results of this exercise, discussed in the dedicated ‘Swarm Ionospheric Currents Products workshop’ in ESTEC on September 2017, highlighted the strengths of the various methods/approaches. Following discussion with the participants to this workshop, we are now working to develop an open source platform for user-definable FAC calculation.

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Series: ISSI scientific report series
ISBN: 978-3-030-26732-2
ISBN Print: 978-3-030-26731-5
Issue: 17
Pages: 167 - 188
DOI: 10.1007/978-3-030-26732-2_8
Host publication: Ionospheric multi-spacecraft analysis tools : approaches for deriving ionospheric parameters
Host publication editor: Dunlop, Malcolm Wray
Lühr, Hermann
Type of Publication: A3 Book chapter
Field of Science: 115 Astronomy and space science
Funding: The FAC-MICE activity has been supported by ESA. The authors thank the International Space Science Institute in Bern, Switzerland, for supporting the ISSI Working Group: “Multi-Satellite Analysis Tools, Ionosphere”, in which frame this study was performed.
Copyright information: © The Author(s) 2020. This chapter is licensed under the terms of the Creative Commons Attribution 4.0 International License (, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made. The images or other third party material in this chapter are included in the chapter's Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the chapter's Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.