Modification of small- and middle-scale solar wind structures by the bow shock and magnetosheath: Correlation analysis

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F15%3A10319614" target="_blank" >RIV/00216208:11320/15:10319614 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.pss.2015.03.003" target="_blank" >http://dx.doi.org/10.1016/j.pss.2015.03.003</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.pss.2015.03.003" target="_blank" >10.1016/j.pss.2015.03.003</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Modification of small- and middle-scale solar wind structures by the bow shock and magnetosheath: Correlation analysis

Popis výsledku v původním jazyce

The paper is devoted to a modification of small- and middle-scale solar wind plasma and magnetic structures during their propagation through the bow shock and magnetosheath. We use data from two closely spaced THEMIS spacecraft in the solar wind and magnetosheath and we concentrate on the slow solar wind and quasiperpendicular bow shocks. We determine a cross-correlation function between time series of the solar wind and magnetosheath ion densities and magnetic field magnitudes. The correlation coefficient is calculated for data smoothed on different subintervals from 10 to 170 s and we show that the correlation coefficient between both quantities strongly depends on the duration of smoothing subintervals in the range of 10-50 s, whereas it is not significantly affected if the duration of the subintervals exceeds 50-100 s. It means that the fluctuations with frequencies below 0.01-0.02 Hz are of the solar wind origin, whereas bow shock and magnetosheath processes contribute to the enha

Název v anglickém jazyce

Modification of small- and middle-scale solar wind structures by the bow shock and magnetosheath: Correlation analysis

Popis výsledku anglicky

The paper is devoted to a modification of small- and middle-scale solar wind plasma and magnetic structures during their propagation through the bow shock and magnetosheath. We use data from two closely spaced THEMIS spacecraft in the solar wind and magnetosheath and we concentrate on the slow solar wind and quasiperpendicular bow shocks. We determine a cross-correlation function between time series of the solar wind and magnetosheath ion densities and magnetic field magnitudes. The correlation coefficient is calculated for data smoothed on different subintervals from 10 to 170 s and we show that the correlation coefficient between both quantities strongly depends on the duration of smoothing subintervals in the range of 10-50 s, whereas it is not significantly affected if the duration of the subintervals exceeds 50-100 s. It means that the fluctuations with frequencies below 0.01-0.02 Hz are of the solar wind origin, whereas bow shock and magnetosheath processes contribute to the enha

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BL - Fyzika plasmatu a výboje v plynech

OECD FORD obor

—

Projekt

<a href="/cs/project/GAP209%2F12%2F1774" target="_blank" >GAP209/12/1774: Role slunečního větru v procesech na magnetosférických hranicích</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Planetary and Space Science

ISSN

0032-0633

e-ISSN

—

Svazek periodika

115

Číslo periodika v rámci svazku

Sep

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

7

Strana od-do

12-18

Kód UT WoS článku

000360512300003

EID výsledku v databázi Scopus

2-s2.0-84938743178