Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experiment
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Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experiment
Young Ct al. 2002. Gravity waves ill Jupiter’s stratosphere Submitted to Icarus Dec 11.2002Gravity waves ill Jupiter’s stratosphere, as measured by th Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experimenthe Galileo ASI experimentLeslie A. YoungSouthwest Research Institute,! 050 Walnut Si Suite 400, Boulder co 80302Roger V. YelleLunar and Planetary Lab, University of Arizona, 1629 E Univ. Blvd. Tucson AZ 85721Richard Young, Alvin Seiff*NASA Ames Research Center, MS 245-3, Moffett Field CA, 94035Donn Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experimentB. Kirk37465 Riverside Dr, Pleasant Hill. OR 97455’Deceased.Submilled Io Icarus December 10, 200240 manuscript pages, including 7 figures and 5 tablesGravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experiment
.Young Ct al. 2002. Gravity waves in Jupiter's stratosphereSubmitted to learns Dee 11. 2002Running head: Gravity waves in Jupiter's stratosphereDirectYoung Ct al. 2002. Gravity waves ill Jupiter’s stratosphere Submitted to Icarus Dec 11.2002Gravity waves ill Jupiter’s stratosphere, as measured by th Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experiment (303) 546-6057FAX: (303) 546-9687Young ct al. 2002. Gravity waves in Jupiter's stratosphereSubmitted to Icarus Dec 11. 2(M)2AbstractThe temperatures in Jupiter's stratosphere, as measured by tile Galileo Atmosphere Structure Instrument (AST), show fluctuations that have been interpreted as gravity Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experimentwaves. We present a detailed description of these fluctuations, show ing that they are not likely to be due to either measurement error or isotropic tGravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experiment
urbulence. These fluctuations share features with gravity waves observed in the terrestrial middle atmosphere, including the shape and amplitude of thYoung Ct al. 2002. Gravity waves ill Jupiter’s stratosphere Submitted to Icarus Dec 11.2002Gravity waves ill Jupiter’s stratosphere, as measured by th Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experimentnd heat fluxes, place limits on the eddy Prandtl number, and compare predicted and observed eddy diffusion coefficients. We find that wave heating or cooling is likely to be important in Jupiter's upper stratosphere, that the Prandtl number lies between 1 and 4.4. and that diffusive filtering theory Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experiment is a poor predictor of the eddy diffusion coefficient in Jupiter's atmosphere.Keywords: ATMOSPHERES. DYNAMICS: JUPITER. ATMOSPHERE:3Young Ct al. 2(10Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experiment
2. Gravity waves in Jupiter's stratosphereSubmitted to Icarus Dec 11.2(M)21IntroductionThe Atmosphere Structure Instrument (ASI) on the Galileo probe Young Ct al. 2002. Gravity waves ill Jupiter’s stratosphere Submitted to Icarus Dec 11.2002Gravity waves ill Jupiter’s stratosphere, as measured by th Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experimentmperature variations on scales less (han a scale height have also been seen in stellar occultations (e.g., French and Gicrasch 1974) and radio occultations (Lindel et al. 1981). Interpretations of these small-scale temperature variations include turbulence (Jokipii and Hubbard 1977). gravity waves ( Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experimentFrench and Gierasch 1974), or planetary-scale, longer-lived phenomena (Allison 1990. Friedson 1999). The characteristics of the temperature or densityGravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experiment
variations arc the key to interpreting the data in terms of the underlying dynamics. The ASI data combines high vertical resolution with a large rangYoung Ct al. 2002. Gravity waves ill Jupiter’s stratosphere Submitted to Icarus Dec 11.2002Gravity waves ill Jupiter’s stratosphere, as measured by th Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experiment and density fluctuations have also been reported in the middle atmospheres of Titan and the other giant planets (e.g.. Cooray et al. 1998. Sicardy et al. 1985. Roques et al. 1994). The quantitative description of the thermal and density variations presented here will help with comparative planetolo Gravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experimentgy, by establishing whether temperature variations in the outer planets exhibit a "universal power spectrum.*’ as temperatures appear to do in the EarGravity waves in Jupiter’s stratosphere, as measured by the Galileo ASI experiment
th's middle atmosphere (VanZandt 1982).We describe the ASI measurements and errors in Section 2. In Section 3, we present a statistical analysis of JuYoung Ct al. 2002. Gravity waves ill Jupiter’s stratosphere Submitted to Icarus Dec 11.2002Gravity waves ill Jupiter’s stratosphere, as measured by thYoung Ct al. 2002. Gravity waves ill Jupiter’s stratosphere Submitted to Icarus Dec 11.2002Gravity waves ill Jupiter’s stratosphere, as measured by thGọi ngay
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