Small scale alfvénic structure in the aurora
Webanatoly v. streltsov, ph.d. department of physical sciences embry-riddle aeronautical university daytona beach, fl 32174 ph: 386-226-7137; e-mail: [email protected] WebApr 30, 2008 · Abstract It is demonstrated from observations that the Alfvénic aurora may be powered by a turbulent cascade transverse to the geomagnetic field from large MHD scales to small Alfvén wave scales of several electron skin depths and less.
Small scale alfvénic structure in the aurora
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WebThe interesting problem here is that the MHD shear Alfven wave has phase velocity = group velocity = VA, once Kperp is explicity only at the dispersion relation of the kinetic Alfven wave, I mean... WebNov 8, 2000 · Two mixtures of gas were used in the experiments: pure helium and a neon-helium mixture. (From Ono, 1979.) - "Small Scale Alfvénic Structure in the Aurora" Figure …
WebSep 27, 2005 · Since the aurora has a very similar appearance from the two sites, its altitude extent must be rather small. Knowledge of the altitude of the emissions allows us to estimate the scale sizes of the curls, which are about 1–5 km, with the arc thickness of ≈1 km. Figure 2 Open in figure viewer PowerPoint WebThis paper presents a comprehensive review of dispersive Alfvén waves in space and laboratory plasmas. We start with linear properties of Alfvén waves and show how the …
WebJan 5, 2000 · Later on, Shukla et al. 12 obtained a super-Alfvenic soliton solution with a density hump, which is different from the fast Alfvenic solitons deduced by Hasegawa and Mima. 1 Moreover, Wu and Chao ... WebFeb 1, 2024 · As will be described below, rapid advancements in camera technology in the past two to three decades have led to extensive observations of small-scale and dynamic …
WebDec 12, 2009 · Small-scale structures last less than 10 s and gradually become larger structures. [19] These structures and the time variations observed for brightening auroras …
Web2000 (English) In: Space Science Reviews, ISSN 0038-6308, Vol. 92, no 3-4, p. 423-533 Article in journal (Refereed) Published Abstract [en] This paper presents a comprehensive review … ear on dobe cropped too longWebApr 13, 2024 · Stasiewicz, K., Bellan, P., Chaston, C., et al., Small scale Alfvénic structure in the aurora, Space Sci. Rev., 2000, vol. 92, pp. 423–533. Article Google Scholar Tam, S.W.Y., Chang, T., Kintner, P.M., and Klatt, E., Intermittency analyses on the SIERRA measurements of the electric field fluctuations in the auroral zone, Geophys. Res. ct2740Web(1) In this paper we investigate how the parameters of the ionosphere and the low-altitude magnetosphere mediate the formation and spatiotemporal properties of small-scale, intense electromagnetic structures commonly observed by low-altitude satellites in the auroral and subauroral magnetosphere. The study is based on numerical modeling of a time-evolving, … ear on apple watchhttp://www.diva-portal.org/smash/record.jsf?pid=diva2:62220 ct 29-35WebDive into the research topics of 'Small scale Alfvenic structure in the aurora'. Together they form a unique fingerprint. auroraEarth & Environmental Sciences100% … ct 2931 liebherrWebJul 15, 2012 · Scaling index α derived from the slope of logarithmic diagrams (LD) constructed by the discrete wavelet transform of data can be estimated as α = 2.2 ± 0.3, which is close to α estimate earlier reported for scales 1–30 km by electric field observations of the Dynamics Explorer 2 satellite. earons cold casehttp://www.igpp.ucla.edu/public/mkivelso/refs/PUBLICATIONS/staciewicz%20AW%202400%20SpaceSciRev.pdf ct2903