Underlying processes of the Jovian decametric radiation

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100 1 ‡aKennedy, James Richard, ‡d1941-
245 1 0 ‡aUnderlying processes of the Jovian decametric radiation / ‡cby James Richard Kennedy.
260 ‡c1976.
300 ‡axii, 209 leaves : ‡bill. ; ‡c28 cm.
500 ‡aVita. ‡5FU
500 ‡aTypescript. ‡5FU
502 ‡aThesis--University of Florida.
504 ‡aIncludes bibliographical references (leaves 204-208).
520 3 ‡aIn this study two characteristics have been examined. The first was the length of the storms themselves. Employing the frequency of length distribution of the storms it is shown that storm lengths are not randomly distributed. The other topic was the question of the likelihood that the 6.4 day period features seen in the Chree analysis of the radio activity could be the result of random influences. This effect was shown to be non-random with a confidence exceeding 99.5% The study concludes that below the strata of events known to be associated with lo, there are secondary and tertiary exciters which influence the non-random emission in the 18 to 27 MHz regions.
520 3 ‡aThe Jovian decametric radiation is known to be excited, in part, by the satellite lo. However, much of the radiation is apparently not related to lo and the provocation for this component is not understood. This study examines the non-Io component by the systematic removal of all information associated with the "favored" orbital positions of lo at 18, 22, 26, and 27 MHz. Three specific examinations have been made. The first has considered the possibility of a correlation between the activity of the radio sources and density waves in the solar wind. A byproduct of this aspect of the study is the development of two models for solar wind velocity stream interactions. These models predict the development of large density waves, mainly past 1 AU, in the solar wind. The waves are the result of interactions (collisions) between high speed and lowspeed particle streams in the solar wind. A positive correlation between these proposed waves and the source A and source C emission is found in the two study periods, 1967-68 and 1974. During the same periods there is evidence of a negative correlation with source B. The second part of the study has examined the activity occurrence spectra for evidence of periodicity. A 27 day period was found in the 1974 data which may be associated with the solar correlation. In the 1967-68 and 1974 apparitions a prominent peak was found at 6.35 days in both source A and C. This peak is coincident with an alias of a principal feature in the spectrum of a joint lo-Europa exciter. No other satellite effect can cause this feature. Another spectral peak was found at 2.7 days in both apparitions in source A. This maximum is not explainable at this time. The third examination has considered the question of randomness. The object was to determine whether it was possible that the non-Io component was the result of some, possibly intrinsic, random process.
538 ‡aMode of access: Internet.
590 ‡aSmith, A. G. ( Thesis adviser ) Lebo, G. R. ( Thesis adviser ) ‡5FU
650 0 ‡aRadiation.
651 0 ‡aJupiter (Planet)
740 0 2 ‡aJovian decametric radiation.
CID ‡a012115592
DAT 0 ‡a20111116165511.0 ‡b20121126000000.0
DAT 1 ‡a20171120114224.0 ‡b2017-11-20T19:50:38Z
DAT 2 ‡a2012-11-30T08:30:06Z
CAT ‡aSDR-UFDC ‡dEX LIBRIS - ALEPH ‡lprepare.pl-004-007
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974 ‡8ia.underlyingproces00kenn ‡bFU ‡cIUFL ‡d20171120 ‡sia ‡uufl1.ark:/13960/t2t449g6k ‡y1976 ‡ric ‡qbib ‡tnon-US bib date1 >= 1929