[PDF] Top 20 Zonal wind velocity profiles in the equatorial electrojet derived from phase velocities of type II radar echoes

... hours. The downward phase progression is therefore nearly ...within the range of 10 – 13 ...shown wind and temperature data between 95 and 140 km derived from ISR ... See full document

... counter equatorial electrojet (CEEJ) conditions, made with a VHF ...This type of irregularity, although predicted by linear theory, has been observed only very few times at other sites (once ... See full document

... tidal wind motions in the equatorial lower thermosphere and the realization that wind speeds in excess of 150 m/s are commonplace in the E region ... See full document

... since the Doppler shifts are functions of the neutral wind velocity, the latter can be indirectly inferred from the radar ...analysis of the ... See full document

... produced the radar data can be compared with the ASI ...data from 22:13 LT on 20 August 2014 in Figure 6 to demonstrate how we perform the ...box in the middle ... See full document

... shift from the Doppler ...to the radial velocity (velocity of the target relative to the ...radar). The Doppler frequency shift is used to separate ... See full document

... use of the red optical spectral regions and an efficient CCD detector we have demonstrated that sub-20 ms −1 precision radial velocity measurements of M dwarfs are possible when utilis- ing a ... See full document

... extended the calibration to the lower altitudes. In Figure 2a we show the power profiles in density units below 150 ...collisions, the ISR spectrum narrows considerably ... See full document

... been the core of operational and observational ...common in atmospheric studies that incomplete datasets have to be used, either because the original complete datasets are no longer available ... See full document

... at the Jicamarca Radio Observatory (JRO) near Lima, Peru, using a 50-MHz VHF radar and ...radiosondes. In this paper we discuss the radar and in situ observations and interpret ... See full document

... 9 Residual stress profiles obtained from the synchrotron measurements in the ferrite phase of the 'rolled' steel rod (severely drawn material) [15]. 10 Axial residual macrostresses in t[r] ... See full document

... one of them, through its in fl uence on surface melting, and associated drainage of meltwater to the glacier bed, enhancing bed lubrication and basal sliding (Zwally, ...an in fl uence ... See full document

... is from the VVV survey, which is based on aperture photometry computed on the individual tile images ( S12 ) ...Each of the sources was observed with a median exposure time of 16 ... See full document

... are the leading cause of hospitalisation and death, cause high costs in health services 1,2 and rank third as a cause of ...because of the development of atherosclerosis ... See full document

... site velocities obtained by the GPS data processing are, in gen- eral, a ff ected by uncertainties in the realisation of the global reference ...However, the ... See full document

... place in the high latitude ...deceleration of the eastward stratospheric winds has been ...increase in the strato- spheric temperature is also observed during SSW events hence ... See full document

... calculating the stretch-free local flame speed require stretch-free data to model and ...available of laminar burning velocity of hydrogen-mixtures at engine conditions, because stretch and ... See full document

... At the present stage UPMPARK could be a useful tool for optimization of wind ...both wind velocity and the characteristics of turbulence generated in the ... See full document

... to the seabed. The site (W3, ...to the northeast of San Felipe, at a depth of 25 m relative to mean sea ...level. The instrument was installed between two almost parallel ridges, ... See full document

... determining the daytime strength of the electrojet is to observe the difference in the magnitudes of the horizontal (H) component between a magnetometer ... See full document