ULF Waves in the Magnetosphere
Investigation of 20–40 mHz ULF waves and their driving mechanisms in Mercury’s dayside magnetosphere
... these waves have very similar characteristics to the waves likely driven by Kelvin–Helmholtz (KH) ULF waves (which are retained as a subset of the wave events studied in this paper) identified ...
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ULF waves in Ganymede’s upstream magnetosphere
... magnetopause waves observed in the G8 flyby exhibit different characteristics on the anti-Jovian side (rotations in B y and B z with no compressional component) and the sub-Jovian side (rotations with strong ...
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ULF waves in the outer magnetosphere: Geotail observation 1 transverse waves
... S. KOKUBUN: TRANSVERSE PC 5 WAVES IN THE OUTER MAGNETOSPHERE 423 Fig. 10. Magnetic field and plasma flow variations on GTL and high-pass filtered records from ground stations (HRN, BJN, MAW, and SYO) for the ...
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Comprehensive study of ULF upstream waves observed in the topside ionosphere by CHAMP and on the ground
... Further studies are needed to develop methods that are suit- able for identifying UW-related Pc3s from satellite observa- tions at high latitudes. Multi-site case studies, analysing simultaneous space data from the ...
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Quasiperiodic ULF-pulsations in Saturn’s magnetosphere
... Figure 1 displays a typical example of the ULF waves ana- lyzed. The oscillations are rather irregular and do usually not exhibit any quasi-sinusoidal character as often observed in the terrestrial ...
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Modulation of radio frequency signals by ULF waves
... complex ULF wave spatial structure in the horizontal ...most ULF wave models for the ionosphere have only consid- ered incident shear Alfv´en mode ...a ULF disturbance in the magnetosphere may ...
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The modulation of electromagnetic ion cyclotron waves by Pc 5 ULF waves
... EMIC waves propagat- ing away from the equatorial ...5 waves show excellent ...the ULF wave decreasing Alfv´en velocity and minimum resonant ...
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Control of ULF wave accessibility to the inner magnetosphere by the convection of plasma density
... for ULF waves, we have demonstrated how the development of a plasmaspheric drainage plume affects the accessibility of dayside ULF wave power to radiation belt ...of ULF waves was mapped ...
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On the excitation of ULF waves by solar wind pressure enhancements
... dayside magnetosphere and observe the excitation of a ULF pulsation by a threefold en- hancement in the solar wind dynamic ...travelling waves and then suddenly change into standing ...
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Pc3–4 ULF waves observed by the SuperDARN TIGER radar
... Future experimental work should focus on multi-beam radar studies of Pc3–4 waves to resolve their longitudinal structure in the ionosphere. This might become possible by implementing the recently developed ...
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The use of the Poynting vector in interpreting ULF waves in magnetospheric waveguides
... of waves associated with backstreaming ions at the bow shock that the lowest-frequency modes of the magnetosphere can be excited effectively by this method [Le and Russell, ...
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The frequency variation of Pc5 ULF waves during a magnetic storm
... words: ULF waves, magnetic storm, ring ...the magnetosphere can be estimated from ground-based ob- servations of ULF waves as standing waves of the Alfven mode (Obayashi and ...
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GEOTAIL observation of upstream ULF waves associated with lunar wake
... polarized ULF waves with frequency of ...Earth’s magnetosphere. The ULF wave was propagating in a direction nearly parallel to the background magnetic ...whistler waves with frequencies ...
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Numerical modelling of ultra low frequency waves in Earth's magnetosphere
... 5.6 Thesis Conclusions and Future Work This thesis has studied various features of ULF waves in Earth’s magnetosphere. We began by developing and testing the required numerical routines, which have ...
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ANGEO - ULF waves: 1997 IAGA division 3 reporter review
... 3±4 waves Magnetospheric cavity/wave guide-mode has been sug- gested to be responsible for low-latitude Pc 3 pulsations as ...the magnetosphere is ®lled with many of these harmonics, as illustrated in the ...
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Plasma flow channels with ULF waves observed by Cluster and Double Star
... MHD waves and instabilities, Plasma sheet) 1 Introduction The Cluster mission was developed to obtain a three- dimensional view of the Earth’s magnetosphere at different scales (varying from 500 km ...
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ANGEO - High-latitude HF Doppler observations of ULF waves: 2. Waves with small spatial scale sizes
... (ULF) waves, since they transfer both energy and ...the magnetosphere- ionosphere interaction is strongest. The waves also act as an important diagnostic of magnetospheric morphol- ogy and ...
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Propagation of ULF waves through the ionosphere: Inductive effect for oblique magnetic fields
... the magnetosphere, ionosphere and atmosphere are derived within the context of an inductive ...the ULF disturbance, its frequency and the ionosphere ...for ULF waves in a vertical background ...
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Dayside magnetopause Pc 3 and Pc 5 ULF waves observed by the GEOTAIL Satellite
... Moreover, it is expected that the spectral power would be more intense at the outer region of the magnetopause if we could assume that the wave energy might be transmitted from the magnetosheath into the ...
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Poloidal ULF oscillations in the dayside magnetosphere: a Cluster study
... SOPA and CPA data from the LANL satellites have been studied for signs of proton injections prior to, or during, the observed ULF events. An observed enhancement of the pro- ton flux in conjunction with the ...
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