Abstract
Crossing the Earth’s bow shock is known to crucially affect solar wind plasma including changes in turbulent cascade. The present review summarizes results of more than 15 years of experimental exploration into magnetosheath turbulence. Great contributions to understanding turbulence development inside the magnetosheath was made by means of recent multi-spacecraft missions. We introduce the main results provided by them together with first observations of the turbulent cascade based on direct plasma measurements by the Spektr-R spacecraft in the magnetosheath. Recent results on solar wind effects on turbulence in the magnetosheath are also discussed.
Highlights
Coupling between solar wind (SW) and the Earth’s magnetosphere is one of the challenging problems of modern geophysics
All the studies mentioned above pointed out the necessity of simultaneous measurements of both plasma and magnetic field parameters to clearly understand the nature of turbulence
Simultaneous direct measurements of plasma and magnetic field parameters became available for the first time at boundary layers of the near-Earth’s space as well as in the SW, with time resolution being sufficient for exploring plasma turbulence at kinetic scales
Summary
Coupling between solar wind (SW) and the Earth’s magnetosphere is one of the challenging problems of modern geophysics. The magnetic and electric field as well as density profiles which directly affect the magnetopause, were shown to be different from those measured in the SW (e.g., Safránková et al, 2009; Pulinets et al, 2014; Pulkkinen et al, 2016). These differences are not usually taken into account by models of solar wind-magnetosphere coupling, which may be the reason for their inaccuracies
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