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Detailed Reference Information |
Roeder, J.L. and Koons, H.C. (1989). A survey of electron cyclotron waves in the magnetosphere and the diffuse auroral electron precipitation. Journal of Geophysical Research 94: doi: 10.1029/88JA03715. issn: 0148-0227. |
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Natural electron cyclotron harmonic emissions in the outer magnetosphere are often cited as the electron scattering mechanism which results in the diffuse auroral precipitation. A survey is presented of the characteristics of these waves using data from both the SCATHA and Active Magnetospheric Particle Tracer Explorers (AMPTE) IRM plasma wave instruments. The emissions were observed most often in the 0300--0600 LT sector at L~4--8 and magnetic latitudes in the range ¿10¿. In this region, emissions exceeding 35 &mgr;V m-1 were detected only 25% of the time, and those exceeding 12 &mgr;V m-1 were detected 60% of the time. In agreement with Belmont et al. (1983), these amounts are grossly insufficient to account for the diffuse auroral electron precipitation by quasi-linear pitch angle diffusion. ¿ American Geophysical Union 1989 |
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Abstract |
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Keywords
Magnetospheric Physics, Plasma waves and instabilities, Space Plasma Physics, Wave/particle interactions, Space Plasma Physics, Waves and instabilities, Magnetospheric Physics, Auroral phenomena |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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