[PDF] Top 20 Satellite observations of middle atmosphere–thermosphere vertical coupling by gravity waves
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Satellite observations of middle atmosphere–thermosphere vertical coupling by gravity waves
... on vertical coupling by GWs between the middle atmosphere and the T/I, the mechanism of this cou- pling is not fully understood and open issues remain ... See full document
20
On the role of dust storms in triggering atmospheric gravity waves observed in the middle atmosphere
... the middle and upper ...the middle atmo- spheric thermal structure to the significant enhancement of the lower atmospheric heating effect caused by dust storms observed over the Thar Desert, ...multi- ... See full document
8
Three-dimensional tomographic reconstruction of atmospheric gravity waves in the mesosphere and lower thermosphere (MLT)
... MLT. Satellite observations provide a way to qual- ify the properties and effects of GWs on a global ...and vertical wavelengths is important for the quantification of a ...good vertical ... See full document
15
Radiosonde observations of vertical wave number spectra for gravity waves in the lower atmosphere over Central China
... characteristic wave numbers in the troposphere are obviously smaller than those in the lower stratosphere. For the spectral amplitudes, a quantitative comparison indicates that the spec- tra amplitudes in the troposphere ... See full document
9
A new coupled middle atmosphere and thermosphere general circulation model: Studies of dynamic, energetic and photochemical coupling in the middle and upper atmosphere
... ATMOSPHERIC COUPLING AND SOLAR VARIABILITY The upper mesosphere — lower thermosphere is a complex transitional region of the Earth’s ...internal gravity waves, and planetary waves which ... See full document
294
Role of gravity waves in vertical coupling during sudden stratospheric warmings
... Vertical coupling between the stratosphere and the lower thermosphere has been studied in the low- and middle-latitude Northern Hemisphere winter of 2003/2004 based on the temperature data ... See full document
13
Nonlinear interaction of gravity waves in a nonisothermal and dissipative atmosphere
... initial gravity wave packets in- teract to produce a third substantial packet in a nonisother- mal and dissipative ...ing waves, the interaction in an inhomogeneous temperature field is characterised by the ... See full document
13
Seasonal variation of gravity waves in the Equatorial Middle Atmosphere: results from ISRO’s Middle Atmospheric Dynamics (MIDAS) program
... of observations and on all available days of observations in each month, better data was selected and was utilized for the present ...of gravity wave activity and source strength The major sources of ... See full document
10
Coordinated observations of the dynamics and coupling processes of mesosphere and lower thermosphere winds with MF radars at the middle high latitude
... 3.2 Mesospheric wind spectra, 24 hour and 12 hour wind oscillations during a time of strong eastward winds The temporal evolution of the meridional and zonal wind spectra obtained from Wakkanai and Yamagawa around the ... See full document
8
The CPW-TEC project: Planetary waves in the middle atmosphere and ionosphere
... of gravity waves (GW) by PW in the middle ...lower thermosphere and changes the mean velocity of mass ...the vertical transport of minor constituents and provides phase changes of the ... See full document
5
The influence of photochemistry on gravity waves in the middle atmosphere
... of gravity wave growth rate induced by photochemistry within this tempera- ture ...Standard Atmosphere is ...the gravity wave growth rate profiles in the upper mesosphere and lower ... See full document
7
Waves in the middle atmosphere
... This in turn is applicable to the discussion of the relative importance of tides and internal gravity waves in the meridional transport of zonal momentum which [r] ... See full document
372
ANGEO - Vertical velocities associated with gravity waves measured in the mesosphere and lower thermosphere with the EISCAT VHF radar
... of vertical-wind records made using the EISCAT VHF radar between 12 June, 1990 and 25 January, ...large vertical wavelength and periods of order 30±40 ...that waves are trapped in ducts, although ... See full document
13
Acoustic gravity waves in the atmosphere generated by infragravity waves in the ocean
... Specifically, we use the data obtained with the VIPIR/ Dynasonde HF radar system located at NASA ’s Wallops Flight Facility in Virginia, USA. Projections of the vel- ocity fluctuations onto the magnetic field line ... See full document
11
Rolls of the internal gravity waves in the Earth’s atmosphere
... Correspondence to: V. Fedun ([email protected]) Received: 28 October 2013 – Revised: 19 December 2013 – Accepted: 28 January 2014 – Published: 25 February 2014 Abstract. The effect of the wind shear on the roll ... See full document
6
Gravity waves in the equatorial thermosphere and their relation to lower atmospheric variability
... to gravity waves from the enhanced cumulus convective activity can penetrate into the upper ...with gravity waves and its relation to the ionospheric ...short-period gravity ... See full document
8
Simulating influences of QBO phases and orographic gravity wave forcing on planetary waves in the middle atmosphere
... the middle atmosphere during the easterly and westerly QBO phases could be produced by changes in refractive indexes, PW propagation conditions, and subsequent PW drag of the mean ...the middle and ... See full document
16
MIPAS observations of ozone in the middle atmosphere
... the middle and upper mesosphere, we compare ACE sun- set and sunrise with MIPAS observations with solar zenith angles (SZA) in the range of 88 to 92 ◦ ... See full document
26
The global middle-atmosphere aerosol model MAECHAM5-SAM2: comparison with satellite and in-situ observations
... However, the climate response to stratospheric aerosols is not yet understood well enough. Model studies of climate impacts from tropical volcanic eruptions with stratospheric injection heights often diverge in the ... See full document
26
Atmospheric Gravity Waves in the Ionosphere and Thermosphere During the 2017 Solar Eclipse
... strongest waves having periods of 20 –30 min lasting at least 2 hr since ...30-min waves agrees well with the characteristics observed by the GNSS ...bow waves and gravity waves by ... See full document
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