About: Whistler-mode waves inside flux pileup region: Structured or unstructured?

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1002/2014JA020204
Description	During reconnection, a flux pileup region (FPR) is formed behind a dipolarization front in an outflow jet. Inside the FPR, the magnetic field magnitude and Bz component increase and the whistler-mode waves are observed frequently. As the FPR convects toward the Earth during substorms, it is obstructed by the dipolar geomagnetic field to form a near-Earth FPR. Unlike the structureless emissions inside the tail FPR, we find that the whistler-mode waves inside the near-Earth FPR can exhibit a discrete structure similar to chorus. Both upper band and lower band chorus are observed, with the upper band having a larger propagation angle (and smaller wave amplitude) than the lower band. Most chorus elements we observed are rising-tone type, but some are falling-tone type. We notice that the rising-tone chorus can evolve into falling-tone chorus within <3s. One of the factors that may explain why the waves are unstructured inside the tail FPR but become discrete inside the near-Earth FPR is the spatial inhomogeneity of magnetic field: we find that such inhomogeneity is small inside the near-Earth FPR but large inside the tail FPR. During reconnection, a flux pileup region (FPR) is formed behind a dipolarization front in an outflow jet. Inside the FPR, the magnetic field magnitude and Bz component increase and the whistler-mode waves are observed frequently. As the FPR convects toward the Earth during substorms, it is obstructed by the dipolar geomagnetic field to form a near-Earth FPR. Unlike the structureless emissions inside the tail FPR, we find that the whistler-mode waves inside the near-Earth FPR can exhibit a discrete structure similar to chorus. Both upper band and lower band chorus are observed, with the upper band having a larger propagation angle (and smaller wave amplitude) than the lower band. Most chorus elements we observed are rising-tone type, but some are falling-tone type. We notice that the rising-tone chorus can evolve into falling-tone chorus within <3s. One of the factors that may explain why the waves are unstructured inside the tail FPR but become discrete inside the near-Earth FPR is the spatial inhomogeneity of magnetic field: we find that such inhomogeneity is small inside the near-Earth FPR but large inside the tail FPR. (en)
Title	Whistler-mode waves inside flux pileup region: Structured or unstructured? Whistler-mode waves inside flux pileup region: Structured or unstructured? (en)
skos:prefLabel	Whistler-mode waves inside flux pileup region: Structured or unstructured? Whistler-mode waves inside flux pileup region: Structured or unstructured? (en)
skos:notation	RIV/00216208:11320/14:10289787!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(7E12026)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Santolík, Ondřej Macúšová, Eva
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	56167
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10289787
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	magnetic field inhomogeneity; structure; chorus; whistler; dipolarization front; flux pileup region (en)
http://linked.open.../riv/klicoveSlovo	structure chorus whistler dipolarization front flux pileup region magnetic field inhomogeneity
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[272639FC6F07]
http://linked.open...i/riv/nazevZdroje	Journal of Geophysical Research - Space Physics
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	15 (xsd:int)
http://linked.open...vavai/riv/projekt	Monitoring, Analyzing and Assessing Radiation Belt Loss and Energization
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	119
http://linked.open...iv/tvurceVysledku	Angelopoulos, V. Santolík, Ondřej Macúšová, Eva Cao, J. B. Fu, H. S. Khotyaintsev, Y. V. Zhima, Z. Huang, S. Y. Andre, M. Cully, C. M. Liu, W. L. Lu, H. Y. Vaivads, A. Zhou, M. Zong, Q. -G.
http://linked.open...ain/vavai/riv/wos	000346792100026
issn	2169-9380
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/2014JA020204
http://localhost/t...ganizacniJednotka	11320

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