ESA field-aligned currents : methodology inter-comparison exercise
Trenchi, Lorenzo; The FAC-MICE Team; Kauristie, K.; Käki, S.; Vanhamäki, Heikki; Juusola, L.; Blagau, Adrian; Vogt, Joachim; Marghitu, Octav; Dunlop, M. W.; Yang, Y.-Y.; Yang, J.-Y.; Lühr, Hermann; Kervalishvili, Guram; Rauberg, Jan; Stolle, Claudia; Pakhotin, Ivan P.; Mann, Ian R.; Forsyth, C.; Rae, I. J.; Wu, Jiashu; Gjerloev, J.; Ohtani, S.; Friel, M. (2019-10-21)
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
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https://urn.fi/URN:NBN:fi-fe202001071366
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Abstract
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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