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Decoupling of ground level pressures observed in Italian volcanoes: are they driven by space weather geo-effectiveness?
Atmospheric pressure Space weather Sun storm Volcanoes
2015/8/17
Investigations on correlation drops between near-ground atmospheric pressures measured at sea level and at higher altitudes on Italian volcanoes have been carried out. We looked for perturbations of t...
Characteristics of electrostatic solitary waves observed in the plasma sheet boundary:Statistical analyses
electrostatic solitary waves plasma sheet boundary Statistical analyses
2009/11/13
We present the characteristics of the Electrostatic Solitary Waves (ESW) observed by the Geotail spacecraft in the plasma sheet boundary layer based on the statistical analyses. We also discuss the re...
Solitary potential structures observed in the magnetosheath by the Cluster spacecraft
Solitary potential structures magnetosheath Cluster spacecraft
2009/11/11
Bipolar pulses of ~ 25-100 µs in duration have been observed in the wave electric field data obtained by the Wideband plasma wave instrument on the Cluster spacecraft in the dayside magnetosheat...
Characteristics of quasi-static potential structures observed in the auroral return current region by Cluster
quasi-static potential structures auroral return current region Cluster
2009/11/11
Temporal and spatial characteristics of intense quasi-static electric fields and associated electric potential structures in the return current region are discussed using Cluster observations at geoce...
Association of Alfvén waves and proton cyclotron waves with electrostatic bipolar pulses:magnetic hole events observed by Polar
Alfvén waves proton cyclotron waves electrostatic bipolar pulses magnetic hole events
2009/11/11
Two magnetic hole events observed by Polar on 20 May 1996 when it was in the polar cap/polar cusp boundary layer are studied. Low-frequency waves, consisting of nonlinear Alfvén waves and large amplit...
Solitary waves observed in the auroral zone:the Cluster multi-spacecraft perspective
Solitary waves auroral zone Cluster multi-spacecraft perspective
2009/11/11
We report on recent measurements of solitary waves made by the Wideband Plasma Wave Receiver located on each of the four Cluster spacecraft at 4.5-6.5RE (well above the auroral acceleration region) as...