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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004878naa a2200625 4500
001oai:DiVA.org:kth-140069
003SwePub
008140117s2013 | |||||||||||000 ||eng|
009oai:DiVA.org:umu-86346
009oai:DiVA.org:uu-219221
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1400692 URI
0247 a https://doi.org/10.1002/jgra.506032 DOI
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-863462 URI
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-2192212 URI
040 a (SwePub)kthd (SwePub)umud (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Hamrin, Mariau Umeå universitet,Institutionen för fysik4 aut0 (Swepub:umu)maha0006
2451 0a The evolution of flux pileup regions in the plasma sheet :b Cluster observations
264 c 2013-10-09
264 1b American Geophysical Union (AGU),c 2013
338 a print2 rdacarrier
500 a QC 20150624
520 a Bursty bulk flows (BBFs) play an important role for the mass, energy, and magnetic flux transport in the plasma sheet, and the flow pattern in and around a BBF has important consequences for the localized energy conversion between the electromagnetic and plasma mechanical energy forms. The plasma flow signature in and around BBFs is often rather complicated. Return flows and plasma vortices are expected to exist at the flanks of the main flow channel, especially near the inner plasma sheet boundary, but also farther down-tail. A dipolarization front (DF) is often observed at the leading edge of a BBF, and a flux pileup region (FPR) behind the DF. Here we present Cluster data of three FPRs associated with vortex flows observed in the midtail plasma sheet on 15 August 2001. According to the principles of Fu et al. (2011, 2012c), two of the FPRs are considered to be in an early stage of evolution (growing FPRs). The third FPR is in a later stage of evolution (decaying FPR). For the first time, the detailed energy conversion properties during various stages of the FPR evolution have been measured. We show that the later stage FPR has a more complex vortex pattern than the two earlier stage FPRs. The two early stage FPR correspond to generators, EJ<0, while the later stage FPR only shows weak generator characteristics and is instead dominated by load signatures at the DF, EJ>0. Moreover, to our knowledge, this is one of the first times BBF-related plasma vortices have been observed to propagate over the spacecraft in the midtail plasma sheet at geocentric distances of about 18R(E). Our observations are compared to recent simulation results and previous observations.
650 7a NATURVETENSKAPx Fysikx Fusion, plasma och rymdfysik0 (SwePub)103032 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Fusion, Plasma and Space Physics0 (SwePub)103032 hsv//eng
650 7a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng
653 a dipolarization front
653 a energy conversion
653 a flow vortices
653 a flux pileup region
653 a generator
653 a load
7001 a Norqvist, Patriku Umeå universitet,Institutionen för fysik4 aut0 (Swepub:umu)pano0001
7001 a Karlsson, Tomasu KTH,Rymd- och plasmafysik4 aut0 (Swepub:kth)u154ti5p
7001 a Nilsson, H.4 aut
7001 a Fu, H. S.u Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen4 aut0 (Swepub:uu)huifu323
7001 a Buchert, Stephanu Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen4 aut0 (Swepub:uu)stbuc254
7001 a André, Matsu Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen4 aut0 (Swepub:uu)maand125
7001 a Marghitu, O.4 aut
7001 a Pitkänen, Timo,d 1979-u Umeå universitet,Institutionen för fysik4 aut0 (Swepub:umu)tipi0002
7001 a Klecker, B.4 aut
7001 a Kistler, L. M.4 aut
7001 a Dandouras, I.4 aut
7102 a Umeå universitetb Institutionen för fysik4 org
7730 t Journal of Geophysical Researchd : American Geophysical Union (AGU)g 118:10, s. 6279-6290q 118:10<6279-6290x 0148-0227x 2156-2202x 2169-9380x 2169-9402
8564 u https://agupubs.onlinelibrary.wiley.com/doi/pdfdirect/10.1002/jgra.50603
8564 u https://umu.diva-portal.org/smash/get/diva2:698660/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-140069
8564 8u https://doi.org/10.1002/jgra.50603
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-86346
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-219221

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