搜索结果: 1-15 共查到“空间物理学 T waves”相关记录50条 . 查询时间(0.078 秒)
Impact of the Mt. Pinatubo volcaniceruption on the lower ionosphere andatmospheric waves over Central Europe
volcanic eruption lower ionosphere atmospheric waves radio wave absorption
2015/9/17
The very strong volcanic eruption of Mt. Pinatubo in June 1991 directly affected the troposphere and lower and middle stratosphere. Here we look at its effects in the mesopause region as revealed by t...
Alfvén Waves in the Solar Wind
Alfvé, n wave Solar wind Rotational Discontinuity Tangential Discontinuity Solar wind structures
2013/10/3
Alfvén waves are found to be ubiquitous in the solar wind. Recent progress in observational studies of the waves is reviewed to formulate a microscopic picture for the Alfvénic fluctuations. The main ...
Nonlinear features of equatorial baroclinic Rossby waves detected in Topex altimeter observations
Nonlinear features equatorial baroclinic Rossby waves Topex altimeter observations
2009/11/16
Using a recently proposed technique for statistical analysis of non-gridded satellite altimeter data, regime of long equatorially-trapped baroclinic Rossby waves is studied. One-dimensional spatial an...
A centre manifold approach to solitary waves in a sheared,stably stratified fluid layer
centre manifold approach solitary waves stratified fluid layer
2009/11/16
The centre manifold approach is used to derive an approximate equation for nonlinear waves propagating in a sheared, stably stratified fluid layer. The evolution equation matches limiting forms derive...
Cosmic ray momentum diffusion in the presence of nonlinear Alfvén waves
Cosmic ray momentum diffusion nonlinear Alfvén waves
2009/11/16
The relation between the spatial diffusion coefficient along the magnetic field, kII, and the momentum diffusion coefficient, Dp, for relativistic cosmic ray particles is modelled using Monte Carlo si...
Closure of multi-fluid and kinetic equations for cyclotron-resonant interactions of solar wind ions with Alfvén waves
multi-fluid kinetic equations cyclotron-resonant interactions solar wind ions Alfvén waves
2009/11/13
Based on quasilinear theory, a closure scheme for anisotropic multi-component fluid equations is developed for the wave-particle interactions of ions with electromagnetic Alfvén and ion-cyclotron wave...
The nonlinear dustgrain-charging on large amplitude electrostatic waves in a dusty plasma with trapped ions
nonlinear dustgrain-charging large amplitude electrostatic waves dusty plasma trapped ions
2009/11/13
The nonlinear dustgrain-charging and the influence of the ion density and temperature on electrostatic waves in a dusty plasma having trapped ions are investigated by numerical calculation. This work ...
Mirror mode structures and ELF plasma waves in the Giacobini-Zinner magnetosheath
Mirror mode structures ELF plasma waves Giacobini-Zinner magnetosheath
2009/11/13
We show evidence for mirror mode structures at comet Giacobini-Zinner. These are plasma structures with alternating high ß and low ß regions driven unstable when ß /ß
Interaction dynamics of electrostatic solitary waves
Interaction dynamics electrostatic solitary waves
2009/11/13
Interaction of nonlinear electrostatic pulses associated with electron phase density holes moving in a collisionless plasma is studied. An elementary event of the interaction is analyzed on the basis ...
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...
Remarks on the parallel propagation of small-amplitude dispersive Alfvénic waves
parallel propagation small-amplitude dispersive Alfvénic waves
2009/11/13
The envelope formalism for the description of a small-amplitude parallel-propagating Alfvén wave train is tested against direct numerical simulations of the Hall-MHD equations in one space dimension w...
Dromion solutions for nonlinear electron acoustic waves in space plasmas
Dromion solutions nonlinear electron acoustic waves space plasmas
2009/11/12
Recent high resolution measurements of POLAR and FAST satellites have revealed two-dimensional coherent structures in the polar cap boundary layer (PCBL) region. Since the ion temperature is often obs...
Particle acceleration in tangential discontinuities by lower hybrid waves
Particle acceleration tangential discontinuities lower hybrid waves
2009/11/12
We consider the role that the lower-hybrid wave turbulence plays in providing the necessary resistivity at collisionless reconnection sights. The mechanism for generating the waves is considered to be...
This paper presents new results for 1D BGK electron solitary wave (phase-space electron hole) solutions and, based on the new results, extends the solutions to include the 3D electrical interaction (E...
Modeling stretched solitary waves along magnetic field lines
stretched solitary waves magnetic field lines
2009/11/12
A model is presented for a new type of fast solitary waves which is observed in downward current regions of the auroral zone. The three-dimensional, coherent structures are electrostatic, have a posit...