upper mesosphere
Global empirical wind model for the upper mesosphere/lower thermosphere. I. Prevailing wind
... the upper meso- sphere, and the absence of direct temperature data between 85 and 100 km in the MSIS ...the upper mesosphere/lower ther- mosphere are only ...
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Diurnal tidal variability in the upper mesosphere and lower thermosphere
... GSWM upper boundary at 250 km for the calculations reported herein, so as to avoid contamina- tion of our solutions associated with re¯ection of the tidal wave at the upper ...
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Effect of planetary waves on cooling the upper mesosphere and lower thermosphere by the CO<sub>2</sub> 15-µm emission
... spheric maximum in δT (z) which is less than that of UFKW by a factor of ∼2 only. Since the thermospheric maximums in δT (z) for the UFKW and 10-day wave, located virtually at the same height, are strongly distinct in ...
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OBSERVATIONS OF SMALL-SCALE GRAVITY WAVES IN THE EQUATORIAL UPPER MESOSPHERE
... One of the most important properties of the atmosphere is the ca- pability of supporting undulatory motions. These oscillation can be classified according to the temporal and spatial scales and/or the generating ...
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Properties of internal planetary-scale inertio gravity waves in the mesosphere
... Abstract. At high latitudes in the upper mesosphere, hor- izontal wind oscillations have been observed with periods around 10 h. Waves with such a period are generated in our Numerical Spectral Model (NSM), ...
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Isolated lower mesospheric echoes seen by medium frequency radar at 70° N, 19° E
... the mesosphere from as low as 50 km altitude, which we refer to as isolated lower mesospheric echoes ...lower mesosphere and subsequently com- pletely absorbed in the upper mesosphere giving ...
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On the influence of neutral turbulence on ambipolar diffusivities deduced from meteor trail expansion
... Ambipolar diffusion coefficients deduced from fading times of radar echoes from meteor trails are used to determine neu- tral air temperatures in the upper mesosphere and lower ther- mosphere. As stated in ...
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Stratospheric and mesospheric temperature variations for the quasi-biennial and semiannual (QBO and SAO) oscillations based on measurements from SABER (TIMED) and MLS (UARS)
... There are still other avenues to improve the performance of the NSM. One in particular involves the GW source spec- trum in the troposphere, which is not well known. In the MM version of the NSM, a lower cut-off was ...
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Transport of mesospheric H<sub>2</sub>O during and after the stratospheric sudden warming of January 2010: observation and simulation
... the mesosphere is evident from the blue col- ored area between 24 January and 7 February in ...the upper mesosphere on ap- proximately 27 January (approximately ...
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A guide for upper-air reference measurements
... of valuable datasets are available for the detection of climate change. However, the bulk of meteorological observations have been made for short-term purposes (e.g. weather forecasting) and, due to changing equipment ...
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Regional climate projections in two alpine river basins: Upper Danube and Upper Brahmaputra
... Lang, S., K¨a¨ab, A., Pechst¨adt, J., Fl¨ugel, W.-A., Zeil, P., Lanz, E., Kahuda, D., Frauenfelder, R., Casey, K., F¨ureder, P., Sossna, I., Wager, I., Janauer, G., Exler, N., Boukalova, Z., Tapa, R., Lui, J., and ...
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Prospects for an upper Givetian substage
... the Montagne Noire (France) and southeastern Morocco document 21 complex sequence of sedimentary events and faunal changes within an extended Givetian (late Middle [r] ...
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New information on Riograndia guaibensis Bonaparte, Ferigolo Ribeiro, 2001 (Eucynodontia, Tritheledontidae) from the Late Triassic of southern Brazil: anatomical and biostratigraphic implications
... jatherium. Some dental series (e.g. UFRGS-PV-0622- T, 788-T) show that, in upper and lower postcanines, the cuspules are slightly displaced posteriorly and curved backwards. This curvature is better defined in the ...
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Negative ions in the auroral mesosphere during a PCA event around sunset
... auroral mesosphere is heavily dependent on the competition between trans- port and destruction by photochemical and precipita- tion processes, so that very large variations in its concentration indeed occur, we ...
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Floppy eyelid syndrome: review
... obstructive sleep apnea (OSA), often present in patients with FES, lead to the hypothesis that a common underlying connective tissue disorder would explain the syndrome. Redundancy of tissue in the tarsal plate of ...
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Lifetime and production rate of NO<sub>x</sub> in the upper stratosphere and lower mesosphere in the polar spring/summer after the solar proton event in October–November 2003
... Sepp ¨al ¨a, A., Cliverd, M. A., and Rodger, C. J.: NO x enhancements in the middle atmosphere during 2003–2004 polar winter: relative significance of solar proton events and the aurora as a source, J. Geophys. Res., ...
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bor 30 1 BOR 2016vol300035
... variables. Upper lip thickness at rest and exposure of upper incisors on smiling decreased with ...the upper incisors, decreased upper lip thickness and lower exposure of teeth vertically and ...
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On the efficiency of rocket-borne particle detection in the mesosphere
... the mesosphere have first been considered by Hor ´anyi et ...the mesosphere and lower thermosphere region, particles of radii exceeding ∼10 nm experience sufficiently many collisions that the momentum ...
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VARIATION IN THE OPENINGS (OSTIA) OF LEFT PULMONARY VEINS INTO THE LEFT ATRIUM: A CASE REPORT
... DEVELOPMENT: The dorsal wall of the left atrium receives initially a single pulmonary vein, the embryogenesis of which is unsettled. The single vein divides into two branches, one from each lung. Each branch subdivides ...
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Int. braz j urol. vol.31 número2
... an upper pole nephrectomy technique on 5 ...Methods: Upper pole nephrectomy was performed on 5 children, including 4 females and 1 ...The upper pole is incised and ...the upper pole is easily ...
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