Zobrazeno 1 - 10
of 215
pro vyhledávání: '"Earth's magnetosphere"'
Autor:
A. A. Abid, M. S. Hussain, Amin Esmaeili, Abdullah Khan, S. Ali, M. Alharbi, Yas Al-Hadeethi, Nada M. Bedaiwi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-7 (2024)
Abstract A study of velocity distribution function in Earth’s magnetosphere is conducted using high-resolution measurements from the Magnetospheric Multiscale Spacecraft (MMS). The analysis focuses on the AZ-non-Maxwellian distribution that is a co
Externí odkaz:
https://doaj.org/article/03b3663edb2d4021afc0817280abdb81
Autor:
M. G. Shah, D. Burgess
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 11 (2024)
Whistler mode waves are one of the dominant plasma emissions occurring in the Earth’s magnetosphere. Using data from the Magnetospheric Multiscale (MMS) mission taken in the outer magnetosphere, we present observations of a multiband whistler event
Externí odkaz:
https://doaj.org/article/98fc843b7bef4e2e8791360b59944c80
Autor:
Xueyi Wang, Huayue Chen, Yoshiharu Omura, Yi‐Kai Hsieh, Lunjin Chen, Yu Lin, Xiao‐Jia Zhang, Zhiyang Xia
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 8, Pp n/a-n/a (2024)
Abstract A 2‐D GCPIC simulation in a dipole field system has been conducted to explore the excitation of oblique whistler mode chorus waves driven by energetic electrons with temperature anisotropy. The rising tone chorus waves are initially genera
Externí odkaz:
https://doaj.org/article/aad1d504e4eb4a3fa5d57490e6801f59
Autor:
Masaki N. Nishino, Hiroshi Hasegawa, Yoshifumi Saito, Benoit Lavraud, Yukinaga Miyashita, Motoharu Nowada, Satoshi Kasahara, Tsugunobu Nagai
Publikováno v:
Earth, Planets and Space, Vol 74, Iss 1, Pp 1-16 (2022)
Abstract The density of the solar wind plasma near the Earth’s magnetosphere sometimes decreases to only several per cent of the usual value, and such density extrema result in a significant reduction of the dynamic pressure and Alfvén Mach number
Externí odkaz:
https://doaj.org/article/d2bc54aad8324b8999381b2bf0e4cc16
Akademický článek
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Autor:
Shangchun Teng, Xin Tao
Publikováno v:
地球与行星物理论评, Vol 53, Iss 5, Pp 567-579 (2022)
Whistler mode chorus waves are common and intense electromagnetic waves in the Earth's magnetosphere. They play a crucial role in magnetospheric electron dynamics by accelerating and scattering electrons over a wide energy range. Chorus waves are typ
Externí odkaz:
https://doaj.org/article/1813dcbcc0f04c718e155227064fe141
Publikováno v:
Solar-Terrestrial Physics, Vol 7, Iss 4, Pp 67-70 (2021)
The dynamic spectrum of a whistling atmospheric is a signal of falling tone, and the group delay time of the signal as a function of frequency is formed as a result of propagation of a broadband pulse in a medium (magnetospheric plasma) with a quadra
Externí odkaz:
https://doaj.org/article/4d3364f44f6745f187750bc43224da61
Publikováno v:
Solar-Terrestrial Physics, Vol 7, Iss 2, Pp 11-21 (2021)
In this paper, we derive a divergent form of the force balance equation for collisionless plasma in the quasineutrality approximation, in which the electric field and current density are excluded. For a stationary spatially one-dimensional current sh
Externí odkaz:
https://doaj.org/article/22d03adebea040bd8f1bc8dffafd626c
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 8 (2022)
At the Earth’s low-latitude magnetopause, the Kelvin-Helmholtz (KH) waves, which are driven by the super-Alfvénic velocity shear across the magnetopause, have been frequently observed during periods of northward interplanetary-magnetic-field (IMF)
Externí odkaz:
https://doaj.org/article/29fe4baac0774880a4cd5854d0d780a5
Autor:
Jason M. H. Beedle, Christopher E. Rura, David G. Simpson, Hale I. Cohen, Valmir P. Moraes Filho, Vadim M. Uritsky
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 8 (2022)
This article provides a concise review of the main physical structures and processes involved in space weather’s interconnected systems, emphasizing the critical roles played by magnetic topology and connectivity. The review covers solar drivers of
Externí odkaz:
https://doaj.org/article/a870380ff45140ca99ad5de248b1baa5