About: Striated drifting auroral kilometric radiation bursts: Possible stimulation by upward traveling EMIC waves

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We investigate waves observed by the Cluster wideband instrument (WBD) during an orbital conjunction with the Polar spacecraft. During this perigee pass, Polar was at the upper extent of the auroral kilometric radiation (AKR) source region in the Southern Hemisphere nightside auroral region. Cluster was located at higher altitude above this region and observed AKR with clear signatures of ordered fine structure striations (rain). Using electron particle data observed by HYDRA on board Polar, we have modeled the electron distribution function within the AKR source region. This distribution function is unstable to a number of low-frequency wave modes and supports EMIC waves propagating along the magnetic field line. These waves appear to be feasible to stimulate the growth of AKR, producing the ordered fine structure observed by WBD on board Cluster, but further analysis will be important, especially plasma simulations. We investigate waves observed by the Cluster wideband instrument (WBD) during an orbital conjunction with the Polar spacecraft. During this perigee pass, Polar was at the upper extent of the auroral kilometric radiation (AKR) source region in the Southern Hemisphere nightside auroral region. Cluster was located at higher altitude above this region and observed AKR with clear signatures of ordered fine structure striations (rain). Using electron particle data observed by HYDRA on board Polar, we have modeled the electron distribution function within the AKR source region. This distribution function is unstable to a number of low-frequency wave modes and supports EMIC waves propagating along the magnetic field line. These waves appear to be feasible to stimulate the growth of AKR, producing the ordered fine structure observed by WBD on board Cluster, but further analysis will be important, especially plasma simulations. (en) Driftující struktury v AKR. (cs)
Title	Striated drifting auroral kilometric radiation bursts: Possible stimulation by upward traveling EMIC waves Driftující struktury v AKR (cs) Striated drifting auroral kilometric radiation bursts: Possible stimulation by upward traveling EMIC waves (en)
skos:prefLabel	Striated drifting auroral kilometric radiation bursts: Possible stimulation by upward traveling EMIC waves Driftující struktury v AKR (cs) Striated drifting auroral kilometric radiation bursts: Possible stimulation by upward traveling EMIC waves (en)
skos:notation	RIV/68378289:_____/06:00045504!RIV07-AV0-68378289
http://linked.open.../vavai/riv/strany	A04214/1;A04214/9
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(ME 842), Z(AV0Z30420517)
http://linked.open...iv/cisloPeriodika	A4
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Santolík, Ondřej
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	Ústav fyziky atmosféry AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	501852
http://linked.open...ai/riv/idVysledku	RIV/68378289:_____/06:00045504
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Space physics; Waves in plasmas (en)
http://linked.open.../riv/klicoveSlovo	Space physics Waves in plasmas
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[750647CDF49D]
http://linked.open...i/riv/nazevZdroje	Journal of Geophysical Research
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20842
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	111
http://linked.open...iv/tvurceVysledku	Santolík, Ondřej Menietti, J. D. Christopher, I. W. Mutel, R. L. Scudder, J. D. Cook, J. M.
http://linked.open...n/vavai/riv/zamer	Studium atmosférického obalu Země v interakci s pozemskými a kosmickými vlivy
issn	0148-0227
number of pages	9 (xsd:int)

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