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Observations of neutral winds in the polar cap during northward IMF

dc.contributor.authorNiciejewski, R. J.en_US
dc.contributor.authorKilleen, Timothy L.en_US
dc.contributor.authorWon, Y.en_US
dc.date.accessioned2006-04-10T18:22:48Z
dc.date.available2006-04-10T18:22:48Z
dc.date.issued1994-02en_US
dc.identifier.citationNiciejewski, R. J., Killeen, T. L., Won, Y. (1994/02)."Observations of neutral winds in the polar cap during northward IMF." Journal of Atmospheric and Terrestrial Physics 56(2): 285-295. <http://hdl.handle.net/2027.42/31815>en_US
dc.identifier.urihttp://www.sciencedirect.com/science/article/B6VSV-4893NYW-34/2/c289fe670fe91ba73e318c295cb3b1dden_US
dc.identifier.urihttps://hdl.handle.net/2027.42/31815
dc.description.abstractLong term remote observations of neutral winds at F-region altitudes have been performed at Thule Air Base (lat. 76.5[deg]N, long. 69.0[deg]W), Greenland, and Sondre Stromfjord (lat. 67.0[deg]N, long. 50.9[deg]W), Greenland. The former site is very close to the geomagnetic pole, while the latter site is within the polar cap for several hours each night on either side of geomagnetic midnight. Wind data corresponding to clear sky conditions and Kp [les] 4 were sorted according to the sign of the IMF Bz component. The averaged maximum poleward flow near midnight LST was reduced by approximately one third during Bz northward conditions. If the magnitude of By was less than the magnitude of the northward Bz component, then the averaged poleward flow was further reduced by one half. In addition, if Bz &gt; 5 nT, then sunward directed horizontal neutral winds were observed at the very highest latitudes near noon LST.en_US
dc.format.extent1054779 bytes
dc.format.extent3118 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.language.isoen_US
dc.publisherElsevieren_US
dc.titleObservations of neutral winds in the polar cap during northward IMFen_US
dc.typeArticleen_US
dc.rights.robotsIndexNoFollowen_US
dc.subject.hlbsecondlevelPhysicsen_US
dc.subject.hlbsecondlevelAtmospheric, Oceanic and Space Sciencesen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumpace Physics Research Laboratory, University of Michigan, Ann Arbor, Michigan, U.S.A.en_US
dc.contributor.affiliationumpace Physics Research Laboratory, University of Michigan, Ann Arbor, Michigan, U.S.A.en_US
dc.contributor.affiliationumpace Physics Research Laboratory, University of Michigan, Ann Arbor, Michigan, U.S.A.en_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/31815/1/0000761.pdfen_US
dc.identifier.doihttp://dx.doi.org/10.1016/0021-9169(94)90036-1en_US
dc.identifier.sourceJournal of Atmospheric and Terrestrial Physicsen_US
dc.owningcollnameInterdisciplinary and Peer-Reviewed


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