Statistical study on interplanetary drivers behind intense geomagnetic storms and substorms
Earth and Planetary Physics, 2019 Geomagnetic storms and substorms play a central role in both the daily life of mankind and in academic space physics. The profiles of storms, especially their initial phase morphology and the intensity of their substorms under different interplanetary ...
Tian Tian +5 more
doaj +1 more source
Plasmaspheric High‐Frequency Whistlers as a Candidate Cause of Shock Aurora at Earth
Geophysical Research Letters, 2023 Auroral brightening driven by interplanetary shocks on Earth's closed magnetic field lines is commonly attributed to the 0.1–10 keV electron precipitations by electron cyclotron harmonic waves and whistler‐mode chorus waves in the low‐density region.
Nigang Liu +7 more
doaj +1 more source
Dynamics of He++ Ions at Interplanetary and Earth’s Bow Shocks
Universe, 2022 Experimental investigations of the fine plasma structure of interplanetary shocks are extremely difficult to conduct due to their small thickness and high speed relative to the spacecraft.
Olga V. Sapunova +3 more
doaj +1 more source
Arrival times of Flare/Halo CME associated shocks at the Earth: comparison of the predictions of three numerical models with these observations [PDF]
Annales Geophysicae, 2002 The arrival times at L1 of eleven travelling shocks associated both with X-ray flaring and with halo CMEs recorded aboard SOHO/LASCO have been considered.
S. M. P. McKenna-Lawlor +13 more
doaj +1 more source
The physics of space weather/solar-terrestrial physics (STP): what we know now and what the current and future challenges are [PDF]
Nonlinear Processes in Geophysics, 2020 Major geomagnetic storms are caused by unusually intense solar wind southward magnetic fields that impinge upon the Earth's magnetosphere (Dungey, 1961). How can we predict the occurrence of future interplanetary events?
B. T. Tsurutani +3 more
doaj +1 more source
Multispacecraft observations of the terrestrial bow shock and magnetopause during extreme solar wind disturbances [PDF]
Annales Geophysicae, 2012 Three events are discussed from the declining phase of the last solar cycle when the magnetopause and/or the bow shock were observed unusually close to the Earth due to major interplanetary disturbances.
M. Tátrallyay +4 more
doaj +1 more source
Acceleration of an interplanetary shock through the magnetosheath: a global hybrid simulation
Frontiers in Astronomy and Space SciencesAccording to most observations and simulations, interplanetary shocks slow down when they propagate through the magnetosheath. In this article, we present results from a self-consistent global hybrid PIC simulation of an interplanetary shock which, by ...
C. Moissard +4 more
doaj +1 more source
Observations of ionospheric flows and particle precipitation following a Sudden Commencement [PDF]
Annales Geophysicae, 2000 On May 4, 1998, at 0227 UT an interplanetary shock crossed the WIND spacecraft, and half an hour later a Sudden Commencement occurred. Coinciding with the Sudden Commencement a rapid intensification of the flux of particle precipitation into the ...
E. Nielsen, E. Nielsen, F. Honary
doaj +1 more source
Interpretation of Flat Energy Spectra Upstream of Fast Interplanetary Shocks
The Astrophysical Journal, 2023 Interplanetary shocks are large-scale heliospheric structures often caused by eruptive phenomena at the Sun, and represent one of the main sources of energetic particles.
Silvia Perri +8 more
doaj +1 more source
MHD waves at the pre-front of interplanetary shocks on September 6 and 7, 2017
Solar-Terrestrial PhysicsWe analyze strong space weather disturbances during first ten days of September 2017, using the geomagnetic Dst index, parameters of normals to interplanetary shock fronts, direct measurements of interplanetary magnetic field, solar wind, and cosmic ray ...
Starodubtsev S. A., Shadrina L. P.
doaj +1 more source