Alfv,n Waves and Their Roles in the Dynamics of the Earth's Magnetotail: A Review

被引:139
作者
Keiling, Andreas [1 ]
机构
[1] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA
关键词
Alfven wave; Magnetotail; Energy transport; Earth's magnetosphere; FIELD-LINE RESONANCES; PLASMA SHEET BOUNDARY; DISCRETE AURORAL ARCS; PARALLEL ELECTRIC-FIELDS; PI2; PULSATIONS; ELECTROSTATIC SHOCKS; POYNTING FLUX; MAGNETIC PULSATIONS; ALIGNED CURRENTS; SUBSTORM ONSETS;
D O I
10.1007/s11214-008-9463-8
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Earth's magnetotail is an extremely complex system which-energized by the solar wind-displays many phenomena, and Alfv,n waves are essential to its dynamics. While Alfv,n waves were first predicted in the early 1940's and ample observations were later made with rockets and low-altitude satellites, observational evidence of Alfv,n waves in different regions of the extended magnetotail has been sparse until the beginning of the new millennium. Here I provide a phenomenological overview of Alfv,n waves in the magnetotail organized by region-plasmasphere, central plasma sheet, plasma sheet boundary layer, tail lobes, and reconnection region-with an emphasis on spacecraft observations reported in the new millennium that have advanced our understanding concerning the roles of Alfv,n waves in the dynamics of the magnetotail. A brief discussion of the coupling of magnetotail Alfv,n waves and the low-altitude auroral zone is also included.
引用
收藏
页码:73 / 156
页数:84
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