Articles | Volume 36, issue 2
Ann. Geophys., 36, 287–299, 2018

Special issue: Dynamics and interaction of processes in the Earth and its...

Ann. Geophys., 36, 287–299, 2018

Regular paper 05 Mar 2018

Regular paper | 05 Mar 2018

An initial ULF wave index derived from 2 years of Swarm observations

Constantinos Papadimitriou et al.

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Short summary
Swarm is the fourth Earth Explorer mission of the European Space Agency (ESA), launched on 23 November 2013. The mission provides an opportunity for better knowledge of the near-Earth electromagnetic environment. This study presents an initial attempt to derive an ultra low-frequency (ULF) wave index from low-Earth orbit satellite data. The technique can be potentially used to define a new product from the mission, the Swarm ULF wave index, which would be suitable for space weather applications.