Solar Wind Turbulence Around Mars: Relation Between The Energy Cascade Rate And The Proton Cyclotron Waves Activity

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dc.contributor.authorAndrés, Nahuel
dc.contributor.authorRomanelli, Norberto
dc.contributor.authorHadid, Lina Z.
dc.contributor.authorSahraoui, Fouad
dc.contributor.authorDiBraccio, Gina
dc.contributor.authorHalekas, Jasper
dc.date.accessioned2020-09-10T17:54:42Z
dc.date.available2020-09-10T17:54:42Z
dc.date.issued2020-07-18
dc.description.abstractThe first estimation of the incompressible energy cascade rate at magnetohydrodynamic (MHD) scales is obtained in the plasma upstream of the Martian bow shock, using MAVEN observations and an exact relation derived for MHD turbulence. The energy cascade rate is computed for events with and without proton cyclotron wave (PCW) activity, for time intervals when MAVEN was in the solar wind with no magnetic connection to the bow shock. It is shown that the nonlinear cascade of energy at the MHD scales is slightly amplified when PCWs are present in the plasma. The analysis of the normalized cross helicity and residual energy for the turbulent fluctuations shows the presence of Alfvénic and non-Alfvénic fluctuations in a magnetic dominant regime for the majority of the cases.en_US
dc.description.sponsorshipN.A., L.H.Z. and F.S. acknowledge financial support from CNRS/CONICET Laboratoire International Associ´e (LIA) MAGNETO. We thank the entire MAVEN team and instrument leads for data access and support. N.A. acknowledge financial support from the Agencia de Promocion Cientıfica y Tecnologica (Argentina) through grants PICT 2018 1095 3123. MAVEN data are publicly available through the Planetary Data System (https://pds-ppi.igpp.ucla.edu/index.jsp).en_US
dc.description.urihttps://arxiv.org/abs/2007.09476en_US
dc.format.extent15 pagesen_US
dc.genrejournal articles preprintsen_US
dc.identifierdoi:10.13016/m2srof-cgmx
dc.identifier.citationAndrés, Nahuel; Romanelli, Norberto; Hadid, Lina Z.; Sahraoui, Fouad; DiBraccio, Gina; Halekas, Jasper; Solar Wind Turbulence Around Mars: Relation Between The Energy Cascade Rate And The Proton Cyclotron Waves Activity; Space Physics (2020); https://arxiv.org/abs/2007.09476en_US
dc.identifier.urihttp://hdl.handle.net/11603/19634
dc.language.isoen_USen_US
dc.publisherArxiven_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.relation.ispartofUMBC Joint Center for Earth Systems Technology (JCET)
dc.relation.ispartofUMBC Physics Department
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.
dc.titleSolar Wind Turbulence Around Mars: Relation Between The Energy Cascade Rate And The Proton Cyclotron Waves Activityen_US
dc.typeTexten_US

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