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Statements

Subject Item
n2:RIV%2F68378289%3A_____%2F06%3A00045504%21RIV07-AV0-68378289
rdf:type
skos:Concept n11:Vysledek
dcterms: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. Driftující struktury v AKR.
dcterms:title
Striated drifting auroral kilometric radiation bursts: Possible stimulation by upward traveling EMIC waves Driftující struktury v AKR Striated drifting auroral kilometric radiation bursts: Possible stimulation by upward traveling EMIC waves
skos:prefLabel
Driftující struktury v AKR Striated drifting auroral kilometric radiation bursts: Possible stimulation by upward traveling EMIC waves Striated drifting auroral kilometric radiation bursts: Possible stimulation by upward traveling EMIC waves
skos:notation
RIV/68378289:_____/06:00045504!RIV07-AV0-68378289
n3:strany
A04214/1;A04214/9
n3:aktivita
n17:P n17:Z
n3:aktivity
P(ME 842), Z(AV0Z30420517)
n3:cisloPeriodika
A4
n3:dodaniDat
n9:2007
n3:domaciTvurceVysledku
n16:9496726
n3:druhVysledku
n15:J
n3:duvernostUdaju
n5:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
501852
n3:idVysledku
RIV/68378289:_____/06:00045504
n3:jazykVysledku
n14:eng
n3:klicovaSlova
Space physics; Waves in plasmas
n3:klicoveSlovo
n13:Space%20physics n13:Waves%20in%20plasmas
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[750647CDF49D]
n3:nazevZdroje
Journal of Geophysical Research
n3:obor
n6:BL
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:projekt
n7:ME%20842
n3:rokUplatneniVysledku
n9:2006
n3:svazekPeriodika
111
n3:tvurceVysledku
Mutel, R. L. Scudder, J. D. Santolík, Ondřej Menietti, J. D. Cook, J. M. Christopher, I. W.
n3:zamer
n12:AV0Z30420517
s:issn
0148-0227
s:numberOfPages
9