SHEDDING NEW LIGHT ON SOLITARY WAVES OBSERVED IN SPACE

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dc.contributor.authorPickett, J.S.
dc.contributor.authorChen, L.-J.
dc.contributor.authorGurnett, D.A.
dc.contributor.authorSwanner, J.M.
dc.contributor.authorSantolik, O.
dc.contributor.authorDécréau, P.M.E.
dc.contributor.authorGéghin, C.
dc.contributor.authorSundkvist, D.
dc.contributor.authorLefebvre, B.
dc.contributor.authorGoldstein, Melvyn
dc.contributor.authorLavraud, B.
dc.contributor.authorLucek, E.
dc.contributor.authorKessel, R.
dc.contributor.authorLakhina, G.S.
dc.contributor.authorSingh, S.V.
dc.contributor.authorReddy, R.V.
dc.contributor.authorTsurutani, B.T.
dc.contributor.authorRème, H.
dc.contributor.authorFazakerley, A.
dc.date.accessioned2023-11-13T19:50:03Z
dc.date.available2023-11-13T19:50:03Z
dc.date.issued2006-01
dc.descriptionProceedings Cluster and Double Star Symposium – 5th Anniversary of Cluster in Space, Noordwijk, The Netherlands, 19 - 23 September 2005 (ESA SP-598, January 2006)en_US
dc.description.abstractElectrostatic solitary waves are routinely observed by the Cluster Wideband (WBD) plasma wave receiver as the Cluster spacecraft cross boundary layers and regions of turbulence. These solitary waves are observed in the electric field waveform data as isolated pulses of various shapes, but primarily in the bipolar and tripolar forms. The amplitudes of the solitary waves appear to follow a somewhat general trend of increasing amplitude with increasing background magnetic field strength. Thus, the largest amplitude solitary waves are usually found closer to Earth as Cluster crosses magnetic field lines at about 4.5-6.5 RE that map to the auroral acceleration region and the smallest amplitudes farthest from Earth in the plasmasheet, magnetosheath and solar wind at 18-19.5 RE. Bow shock crossings are particularly interesting as there are significant differences in the number, amplitude and time duration of solitary wave pulses detected which probably indicate a dependence on the upstream environment and configuration of the interplanetary magnetic field. Continuing closer to earth into the magnetosheath we find that on the dayside, solitary waves are almost always present and the characteristics of them do not change appreciably from the bow shock to the magnetopause. This suggests that the solitary waves observed in the magnetosheath are being locally produced in the magnetosheath through one or more generation mechanisms. As we explore the properties of these solitary waves in the various regions, as well as the methods by which they could be produced, we hope to determine if and how these solitary waves are involved in more fundamental macroscale plasma processes.en_US
dc.description.sponsorshipThe University of Iowa acknowledges support for this work from NASA GSFC under Grant NNG04GB98G and from NSF under Grant ATM 03-27450. We thank the Cluster Bow Shock Working Group for use of their tables in determining bow shock parameters and ESA, ESTEC, ESOC, JSOC, Sheffield University, NASA and DSN for various activities associated with the success of the Cluster mission.en_US
dc.description.urihttps://sci.esa.int/documents/34817/36255/1567255608290-3.2_Pickett.pdfen_US
dc.format.extent7 pagesen_US
dc.genreconference papers and proceedingsen_US
dc.genrepreprintsen_US
dc.identifierdoi:10.13016/m2x6mz-az2x
dc.identifier.citationPickett, J.S., et al. "Shedding new light on solitary waves observed in space." Proceedings Cluster and Double Star Symposium – 5th Anniversary of Cluster in Space, Noordwijk, The Netherlands, 19 - 23 September 2005. https://sci.esa.int/documents/34817/36255/1567255608290-3.2_Pickett.pdf.en_US
dc.identifier.urihttp://hdl.handle.net/11603/30732
dc.language.isoen_USen_US
dc.publisherEuropean Space Agencyen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Goddard Planetary Heliophysics Institute (GPHI)
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.en_US
dc.rightsPublic Domain Mark 1.0*
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleSHEDDING NEW LIGHT ON SOLITARY WAVES OBSERVED IN SPACEen_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0002-5317-988Xen_US

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