Role of Middle-Scale Solar Wind Structures in the Turbulence Development Behind the Bow Shock

被引：0

作者：

Rakhmanova, L. ^{[1
]}

Riazantseva, M. ^{[1
]}

Khokhlachev, A. ^{[1
]}

Yermolaev, Yu. ^{[1
]}

Zastenker, G. ^{[1
]}

机构：

[1] Russian Acad Sci, Space Res Inst, Moscow, Russia

来源：

GEOMAGNETISM AND AERONOMY | 2024年 / 64卷 / 06期

基金：

俄罗斯科学基金会;

关键词：

solar wind; magnetosheath; plasma; turbulence; space weather; MAGNETIC-FIELD; EARTHS MAGNETOSHEATH; PLASMA INSTRUMENT; QUASI-PARALLEL; FLUCTUATIONS; WAVES; PARAMETERS; DEPENDENCE; PROFILE;

D O I：

10.1134/S0016793224600838

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The study estimates the contribution of middle-scale solar wind structures (variations recorded by a spacecraft during similar to 10 min intervals) in turbulence development in the transition region behind the bow shock. The analysis is based on simultaneous measurements of plasma and/or magnetic field parameters in the solar wind, in the dayside magnetosheath, and on the flanks. The study adopts measurements by Wind, THEMIS, and Spektr-R spacecraft. The properties of the magnetic field and ion flux fluctuation spectra are analyzed in the 0.01-4 Hz frequency range, which corresponds to the transition from MHD to kinetic scales. The dynamics of turbulence properties in the magnetosheath is governed by large-scale disturbances, while structures with smaller scales have an effect in the absence of large-scale structures.

引用

页码：814 / 823

页数：10

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