作者: 強所 時間: 2025-3-21 20:49
https://doi.org/10.1007/978-3-031-58730-6GW parameters are studied from the data of ground-based radar networks. Theory of hydrodynamic IGW sources in the atmosphere is considered. Influence of mean wind and different mechanisms of IGW dissipation on the wave generation and propagation into the middle and upper atmosphere is discussed.作者: 打包 時間: 2025-3-22 03:17 作者: 散布 時間: 2025-3-22 08:30 作者: 無所不知 時間: 2025-3-22 12:11
Climatology and hydrodynamic sources of internal gravity waves in the middle and upper atmosphere,GW parameters are studied from the data of ground-based radar networks. Theory of hydrodynamic IGW sources in the atmosphere is considered. Influence of mean wind and different mechanisms of IGW dissipation on the wave generation and propagation into the middle and upper atmosphere is discussed.作者: FAWN 時間: 2025-3-22 16:48 作者: FAWN 時間: 2025-3-22 17:56
Nonlinearity of the saturation spectrum,turation of gravity-wave spectra in the middle atmosphere. The complementary role of instability of the nonlinear spectrum is identified. The nonlinear models previously developed are reviewed in the context thus provided.作者: 甜食 時間: 2025-3-23 00:37
National Policy in a Global Economy comments on the basic idea of the gravity wave dynamics and the capability of observational techniques, results of rocketsonde, balloonsonde and MU radar data analyses are briefly recalled. It is stressed that the “climatology of gravity wave sources” is still open to question, even though we have 作者: Instinctive 時間: 2025-3-23 02:50 作者: 形容詞詞尾 時間: 2025-3-23 07:55
National Security Issues of the USSRere, which are easier to probe via in situ and remote sensing techniques. This paucity of measurements impacts the parameterization of gravity waves in general circulation models of the middle atmosphere, since the effects of gravity waves are not adequately constrained by measurements. The developm作者: 匍匐前進 時間: 2025-3-23 12:25 作者: NOVA 時間: 2025-3-23 15:49
U.S. Foreign Policy toward Bangladeshuasi-biennial oscillation (QBO). Power spectra of temperature (.) and zonal wind (.) fluctuations have year-to-year variation synchronized with the QBO. In both QBO phases, the short-period waves have large variance, comparable to that of long-period (5–20 day) Kelvin waves in westerly shear. Synchr作者: alleviate 時間: 2025-3-23 18:46 作者: 配置 時間: 2025-3-23 23:33
National Socialism and German Discourseemploy wavelet transforms to examine velocity, potential temperature, and trace gas mixing ratio measurements from high-altitude ER-2 aircraft (altitude≈20 km). Probability density functions and quantities similar to structure functions are calculated from wavelet transforms. This analysis reveals d作者: 追蹤 時間: 2025-3-24 02:43
National Space Legislation for Indiaavity wave (GW) climatology makes it difficulty to quantify the total momentum and energy forcings contributed by the small-scale eddies. Observations of the GW distributions have been provided previously by various techniques such as radar [Meek et al. 1985; Vincent and Fritts 1987; Fukao et al. 19作者: 共同給與 時間: 2025-3-24 09:00 作者: Digest 時間: 2025-3-24 11:30
Corporate Strategy and Firm Learning,onts and jets evolve, long-wavelength low-frequency inertia-gravity waves are emitted. The key components of the model basic-state are: a time-dependent cross-front geostrophic shear flow in thermal wind balance with the along-front potential temperature, and a time-independent height-independent co作者: Cytology 時間: 2025-3-24 18:40 作者: 欺騙世家 時間: 2025-3-24 21:57 作者: 場所 時間: 2025-3-25 01:45 作者: Entreaty 時間: 2025-3-25 04:41
National Transportation Planningve instability. When they are strictly isolated, they can be satisfactorily described by the linear theory because of the (almost) incompressibility of the atmosphere. In general, however, several waves coexist, and the nonlinear interactions can significantly influence their propagation far below t作者: 人類的發(fā)源 時間: 2025-3-25 08:05 作者: 陰謀小團體 時間: 2025-3-25 15:44 作者: 土坯 時間: 2025-3-25 18:19 作者: aerial 時間: 2025-3-25 23:27 作者: 一個姐姐 時間: 2025-3-26 01:15
Introduction: The Myth of Protection,sed using a very accurate dataset (185mxl85m) of the Alps. The linear approach shows that for horizontal scales varying between few Kms and 100Km mountains excite gravity waves which transport significant angular momentum. Nevertheless, this linear view is not sufficient for real mountains, and upst作者: 詞根詞綴法 時間: 2025-3-26 07:50
Some Problems Relating to the Observed Characteristics of Gravity Waves in the Middle Atmosphere, comments on the basic idea of the gravity wave dynamics and the capability of observational techniques, results of rocketsonde, balloonsonde and MU radar data analyses are briefly recalled. It is stressed that the “climatology of gravity wave sources” is still open to question, even though we have 作者: 宴會 時間: 2025-3-26 11:37 作者: 使堅硬 時間: 2025-3-26 15:42
Measurements of Intermittency in the Upper Stratosphere and Mesosphere,ere, which are easier to probe via in situ and remote sensing techniques. This paucity of measurements impacts the parameterization of gravity waves in general circulation models of the middle atmosphere, since the effects of gravity waves are not adequately constrained by measurements. The developm作者: 拋棄的貨物 時間: 2025-3-26 20:21 作者: 間諜活動 時間: 2025-3-26 21:55 作者: INTER 時間: 2025-3-27 04:53
Experimental Constraints on Gravity Wave Parameterization from in Situ Measurements of Temperature on of gravity wave breaking in models. The meridional temperature reversal and the very cold mesopause temperatures in summer of ~130 K have put a serious constraint on any theoretical description of the physical processes acting in the upper atmosphere. In this paper mesospheric temperature measure作者: 刺耳的聲音 時間: 2025-3-27 09:16 作者: Motilin 時間: 2025-3-27 10:24 作者: PANIC 時間: 2025-3-27 16:27 作者: 大暴雨 時間: 2025-3-27 19:08 作者: outset 時間: 2025-3-27 22:57 作者: 潔凈 時間: 2025-3-28 04:38 作者: 靦腆 時間: 2025-3-28 07:41 作者: 血友病 時間: 2025-3-28 11:28
On the nonlinear interactions between gravity waves in shear flows,ve instability. When they are strictly isolated, they can be satisfactorily described by the linear theory because of the (almost) incompressibility of the atmosphere. In general, however, several waves coexist, and the nonlinear interactions can significantly influence their propagation far below t作者: palliate 時間: 2025-3-28 16:18 作者: 漫步 時間: 2025-3-28 19:44 作者: Melodrama 時間: 2025-3-28 23:39
Sensitivity studies using the Hines and Fritts gravity wave drag parameterizations,l mean circulation and solar tides. Results from the zonal mean version of the model indicate that although both schemes close off the stratospheric jets, the Fritts scheme produces somewhat unrealistic latitudinal structures in the mesospheric zonal winds. The two schemes have a very different impa作者: PRO 時間: 2025-3-29 06:09
Modeling the Seasonal Cycles and Equatorial Oscillations with a Parameterization of the Doppler Spr6a, b) has been incorporated into the 2D version of a numerical spectral model (NSM) of the middle atmosphere. With a globally uniform flux of (quasi) isotropically propagating GW emanating from the troposphere, the NSM was integrated for several model years, and preliminary results were presented b作者: 興奮過度 時間: 2025-3-29 09:48
The representation of sub-grid scale orography in GCMs,sed using a very accurate dataset (185mxl85m) of the Alps. The linear approach shows that for horizontal scales varying between few Kms and 100Km mountains excite gravity waves which transport significant angular momentum. Nevertheless, this linear view is not sufficient for real mountains, and upst作者: 暴發(fā)戶 時間: 2025-3-29 13:13
Measurements of Intermittency in the Upper Stratosphere and Mesosphere,uction to the instrumentation (Section 2), Section 3 describes an extension of the initial measurements of superadiabatic lapse rates by Sica and Thorsley (1996a). A taste of the spatial and temporal spectral retrievals possible with the lidar measurements is given in Section 4. In Section 5, the sp作者: 新鮮 時間: 2025-3-29 16:30 作者: 半身雕像 時間: 2025-3-29 23:33
Experimental Constraints on Gravity Wave Parameterization from in Situ Measurements of Temperature rbulent energy dissipation rates. Turbulent heating is strongest around the mesopause region in summer (10 to 20 K/d). During winter, the heating rates are considerably smaller and turbulence is distributed over a wider altitude range. It is shown that intense radar echoes observed in the mesopause 作者: 放逐 時間: 2025-3-30 03:53
Analysis of Intermittency in Aircraft Measurements of Velocity, Temperature and Atmospheric Tracersbi-fractal” model is used to interpret structure functions obtained for velocity and N.O. Finally, we show a case of gravity wave-tracer filament interaction in the ER-2 data. We argue that such interactions may increase cross-isentropic mixing of trace gases by gravity waves.作者: 剛毅 時間: 2025-3-30 06:30
Observations of Gravity Waves with the UARS Microwave Limb Sounder, but for a short period of time. It is difficult in general for space-borne sensors to obtain the same resolutions, but observations of GWs at somewhat larger scales are feasible, for example using saturated radiances from the Upper Atmosphere Research Satellite (UARS) Microwave Limb Sounder (MLS) [作者: 損壞 時間: 2025-3-30 09:08 作者: Aspiration 時間: 2025-3-30 12:27 作者: Tdd526 時間: 2025-3-30 16:37
Modeling the Seasonal Cycles and Equatorial Oscillations with a Parameterization of the Doppler Spre eddy diffusivity is reduced by a factor of two, the QBO amplitude and period increase significantly, but the SAO amplitude decreases. With time independent solar heating (perpetual equinox) and standard diffusivity, periodicities near 17 months and 8 months are generated, respectively, in the lowe作者: indoctrinate 時間: 2025-3-31 00:40
The representation of sub-grid scale orography in GCMs,n representing these nonlinear effects in a more consistent manner than in the past is also summarized. This includes development and testing againts data of new SSO scheme at ECMWF. An important feature of the scheme proposed is that it deals explicitly wit a “blocked” low level flow which does not作者: Barrister 時間: 2025-3-31 04:34 作者: 談判 時間: 2025-3-31 08:16 作者: Recessive 時間: 2025-3-31 09:38
,Woodrow Wilson’s Life and Ideas,rbulent energy dissipation rates. Turbulent heating is strongest around the mesopause region in summer (10 to 20 K/d). During winter, the heating rates are considerably smaller and turbulence is distributed over a wider altitude range. It is shown that intense radar echoes observed in the mesopause 作者: 瑣事 時間: 2025-3-31 15:46
