About: Upstream and downstream wave packets associated with low-Mach number interplanetary shocks

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1002/2014GL062149
Description	Wave packets are frequently observed upstream and/or downstream of shocks in a magnetized plasma. We present a comparison of Wind and Spektr-R observations of 27 interplanetary low-Mach number (<5.5) shocks that reveals that (1) the wavelengths of both upstream and downstream waves conserve over the spacecraft separation, (2) in the frequency range of 0.5-5 Hz, their wavelengths are directly proportional to the shock ramp thickness that is controlled by the ion thermal gyroradius, and (3) the phase shift between density and temperature variations within downstream wave packets is about 90 degrees. These results emphasize a role of kinetic processes in the formation of low-Mach number shocks. Wave packets are frequently observed upstream and/or downstream of shocks in a magnetized plasma. We present a comparison of Wind and Spektr-R observations of 27 interplanetary low-Mach number (<5.5) shocks that reveals that (1) the wavelengths of both upstream and downstream waves conserve over the spacecraft separation, (2) in the frequency range of 0.5-5 Hz, their wavelengths are directly proportional to the shock ramp thickness that is controlled by the ion thermal gyroradius, and (3) the phase shift between density and temperature variations within downstream wave packets is about 90 degrees. These results emphasize a role of kinetic processes in the formation of low-Mach number shocks. (en)
Title	Upstream and downstream wave packets associated with low-Mach number interplanetary shocks Upstream and downstream wave packets associated with low-Mach number interplanetary shocks (en)
skos:prefLabel	Upstream and downstream wave packets associated with low-Mach number interplanetary shocks Upstream and downstream wave packets associated with low-Mach number interplanetary shocks (en)
skos:notation	RIV/00216208:11320/14:10289776!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GA14-19376S), P(GAP209/12/1774), S
http://linked.open...iv/cisloPeriodika	22
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Goncharov, Oleksandr Pitňa, Alexander Přech, Lubomír Šafránková, Jana Němeček, Zdeněk
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	52130
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10289776
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	plasma waves; interplanetary shocks (en)
http://linked.open.../riv/klicoveSlovo	interplanetary shocks plasma waves
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[B1F730EA166E]
http://linked.open...i/riv/nazevZdroje	Geophysical Research Letters
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Solar wind control of the processes at the magnetospheric boundaries Působení ICMEs a CIRs na zemskou magnetosféru.
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	41
http://linked.open...iv/tvurceVysledku	Němeček, Zdeněk Přech, Lubomír Šafránková, Jana Goncharov, Oleksandr Zastenker, G. N. Pitňa, Alexander
http://linked.open...ain/vavai/riv/wos	000346644600044
issn	0094-8276
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/2014GL062149
http://localhost/t...ganizacniJednotka	11320

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