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Wave and particle measurements at the polar cusp

1974; American Geophysical Union; Volume: 79; Issue: 22 Linguagem: Inglês

10.1029/ja079i022p03129

2156-2202

N. D’Angelo, A. Bahnsen, H. Rosenbauer,

Geomagnetism and Paleomagnetism Studies

Journal of Geophysical Research (1896-1977)Volume 79, Issue 22 p. 3129-3134 Wave and particle measurements at the polar cusp N. D'Angelo, N. D'AngeloSearch for more papers by this authorA. Bahnsen, A. BahnsenSearch for more papers by this authorH. Rosenbauer, H. RosenbauerSearch for more papers by this author N. D'Angelo, N. D'AngeloSearch for more papers by this authorA. Bahnsen, A. BahnsenSearch for more papers by this authorH. Rosenbauer, H. RosenbauerSearch for more papers by this author First published: 1 August 1974 https://doi.org/10.1029/JA079i022p03129Citations: 74AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract Measurements of magnetic field fluctuations and low-energy particles at several Heos 2 polar cusp crossings are described. A possible source of the fluctuations appears to be a Kelvin-Helmholtz instability excited at the cusp boundaries by velocity shear in the ion flow. The relevance of this instability to certain properties of the cusp region is discussed. References Atkinson, G., T. Watanabe, Surface waves on the magnetospheric boundary as a possible origin of long period geomagnetic micropulsations, Earth Planet. Sci. Lett., 1, 89, 1966. Bahnsen, A., I. B. Iversen, H. Obayashi, K. Omø, I. L. Rasmussen, E. Ungstrup, Satellite experiment for measuring low frequency waves in the solar wind and magnetosphereRep. DSRI-73-01Danish Space Res. Inst, Lyngby, Denmark, 1973. Bahnsen, A., N. D'Angelo, E. Ungstrup, ULF measurements at the polar cusp, Proceedings of the Seventh ESLAB Symposium, Saulgau, D. Reidel, Dordrecht, Netherlands, 1974. D'Angelo, N., Kelvin-Helmholtz instability in a fully ionized Plasma in a magnetic field, Phys. Fluids, 8, 1748, 1965. D'Angelo, N., ULF fluctuations at the polar cusp boundaries, J. Geophys. Res., 78, 1206, 1973. D'Angelo, N., S. vonGoeler, Investigation of the Kelvin-Helmholtz instability in a cesium plasma, Phys. 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Sckopke, Plasma observations near the magnetopause, in Proceedings of the Seventh ESLA B Symposium, Saulgau,D. Reidel,Dordrecht, Netherlands, in press1974. Russell, C. T., C. R. Chappell, M. D. Montgomery, M. Neugebauer, F. L. Scarf, Ogo 5 observations of the polar cusp on November 1, 1968, J. Geophys. Res., 76, 6743, 1971. Russell, C. T., R. W. Fredricks, M. G. Kivelson, M. Neugebauer, F. L. Scarf, Ogo 5 observations of the physical processes occurring in the disturbed polar cusp and the cusp-magnetosheath interfacesixteenth meeting of CosparKonstanz, Germany, 1973. Scarf, F. L., R. W. Fredricks, I. M. Green, C. T. Russell, Plasma waves in the day side polar cusp, J. Geophys. Res., 77, 2274, 1972. Southwood, D. J., The hydromagnetic stability of the magnetospheric boundary, Planet. Space Sci., 16, 587, 1968. Spreiter, J. R., A. Y. Alksne, A. L. Summers, External aerodynamics of the magnetosphere, Physics of the Magnetosphere R. L. Carovillano, J. F. McClay, H. R. Radoski, 301, D. Reidel, Dordrecht, Netherlands, 1968. Wenzel, K. P., Heos 2 in relation to earlier polar cusp measurements, Proceedings of the Seventh ESLAB Symposium, Saulgau, D. Reidel, Dordrecht, Netherlands, 1974. Citing Literature Volume79, Issue22Space Physics1 August 1974Pages 3129-3134 ReferencesRelatedInformation