A theoretical and empirical study of the response of the high latitude thermosphere to the sense of the "Y" component of the interplanetary magnetic field
dc.contributor.author | Rees, D. | en_US |
dc.contributor.author | Fuller-Rowell, T. J. | en_US |
dc.contributor.author | Gordon, R. | en_US |
dc.contributor.author | Smith, M. F. | en_US |
dc.contributor.author | Maynard, N. C. | en_US |
dc.contributor.author | Heppner, J. P. | en_US |
dc.contributor.author | Spencer, Nelson W. | en_US |
dc.contributor.author | Wharton, L. E. | en_US |
dc.contributor.author | Hays, Paul B. (Paul Byron) | en_US |
dc.contributor.author | Killeen, Timothy L. | en_US |
dc.date.accessioned | 2006-04-07T19:36:07Z | |
dc.date.available | 2006-04-07T19:36:07Z | |
dc.date.issued | 1986-01 | en_US |
dc.identifier.citation | Rees, D., Fuller-Rowell, T. J., Gordon, R., Smith, M. F., Maynard, N. C., Heppner, J. P., Spencer, N. W., Wharton, L., Hays, P. B., Killeen, T. L. (1986/01)."A theoretical and empirical study of the response of the high latitude thermosphere to the sense of the "Y" component of the interplanetary magnetic field." Planetary and Space Science 34(1): 1-40. <http://hdl.handle.net/2027.42/26311> | en_US |
dc.identifier.uri | http://www.sciencedirect.com/science/article/B6V6T-46YJHDX-55/2/0019f345e93b239452e9d5f141258fe3 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/26311 | |
dc.description.abstract | The strength and direction of the Interplanetary Magnetic Field (IMF) controls the transfer of solar wind momentum and energy to the high latitude thermosphere in a direct fashion. The sense of " Y" component of the IMF (BY) creates a significant asymmetry of the magnetospheric convection pattern as mapped onto the high latitude thermosphere and ionosphere. The resulting response of the polar thermospheric winds during periods when BY is either positive or negative is quite distinct, with pronounced changes in the relative strength of thermospheric winds in the dusk-dawn parts of the polar cap and in the dawn part of the auroral oval. In a study of four periods when there was a clear signature of BY, observed by the ISEE-3 satellite, with observations of polar winds and electric fields from the Dynamics Explorer-2 satellite and with wind observations by a ground-based Fabry-Perot interferometer located in Kiruna, Northern Sweden, it is possible to explain features of the high latitude thermospheric circulation using three dimensional global models including BY dependent, asymmetric, polar convection fields. Ground-based Fabry-Perot interferometers often observe anomalously low zonal wind velocities in the (Northern) dawn auroral oval during periods of extremely high geomagnetic activity when BY is positive. Conversely, for BY negative, there is an early transition from westward to southward and eastward winds in the evening auroral oval (excluding the effects of auroral substorms), and extremely large eastward (sunward) winds may be driven in the auroral oval after magnetic midnight. These observations are matched by the observation of strong anti-sunward polar-cap wind jets from the DE-2 satellite, on the dusk side with BY negative, and on the dawn side with BY positive. | en_US |
dc.format.extent | 4113197 bytes | |
dc.format.extent | 3118 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Elsevier | en_US |
dc.title | A theoretical and empirical study of the response of the high latitude thermosphere to the sense of the "Y" component of the interplanetary magnetic field | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Atmospheric, Oceanic and Space Sciences | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Space Physics Research Laboratory, University of Michigan, Ann Arbor, MI 482109, U.S.A. | en_US |
dc.contributor.affiliationum | Space Physics Research Laboratory, University of Michigan, Ann Arbor, MI 482109, U.S.A. | en_US |
dc.contributor.affiliationother | Department of Physics and Astronomy, University College London, Gower Street, London WC1E6BT, U.K | en_US |
dc.contributor.affiliationother | Department of Physics and Astronomy, University College London, Gower Street, London WC1E6BT, U.K | en_US |
dc.contributor.affiliationother | Department of Physics and Astronomy, University College London, Gower Street, London WC1E6BT, U.K | en_US |
dc.contributor.affiliationother | Department of Physics and Astronomy, University College London, Gower Street, London WC1E6BT, U.K | en_US |
dc.contributor.affiliationother | Space Science Division, Air Force Geophysics Laboratory/PHE, Hanscom AFB, MA 01731, U.S.A. | en_US |
dc.contributor.affiliationother | Goddard Space Flight Center, Greenbelt, MD 20771, U.S.A. | en_US |
dc.contributor.affiliationother | Goddard Space Flight Center, Greenbelt, MD 20771, U.S.A. | en_US |
dc.contributor.affiliationother | Goddard Space Flight Center, Greenbelt, MD 20771, U.S.A. | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/26311/1/0000396.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1016/0032-0633(86)90100-5 | en_US |
dc.identifier.source | Planetary and Space Science | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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