[PDF] Top 20 Meteor observations with an MF radar
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Meteor observations with an MF radar
... on meteor trails is the effect of magnetic field on the motion of ionized meteor trails ...of meteor trails can be severely inhibited above 95 km altitude depending on the geometric condition of ... See full document
9
Cooperative wind observation in the upper mesosphere and lower thermosphere with foil chaff technique, the MU radar, and Yamagawa MF radar
... A recent work by Dewan and Picard (1998), motivated by an airglow observation by Taylor et al. (1995) that demon- strates a mesospheric traveling front and a following wave train, suggests that an undular bore might ... See full document
11
Radar detectability studies of slow and small zodiacal dust cloud particles. I. The case of Arecibo 430 MHz meteor head echo observations
... the radar beam at the center (maximum ...the radar main beam and first side lobe is ...echo radar return signal to be detectable by the Arecibo ...the meteor BEP falls within a certain range ... See full document
20
Comparison of D region Doppler drift winds measured by the SuperDARN Finland HF radar over an annual cycle using the Kiruna VHF meteor radar
... briefest meteor echoes, this should ensure that co- incident observations in the two channels ...the radar. Explicit observations of rear lobe echoes, in combina- tion with the VHF ... See full document
10
Tidal wind shear observed by meteor radar and comparison with sporadic E occurrence rates based on GPS radio occultation observations
... One can clearly see from Figs. 1 and 2 that the seasonal cycle of Es amplitudes does not correspond with the one of zonal wind shear below 100 km. Es maximize in summer, while the largest shear amplitudes are found in ... See full document
12
Seasonal behavior of meteor radar winds over Wuhan
... Observations by the Kyoto meteor radar (Vincent et al., 1988) generally revealed much smaller DT ampli- tudes, compared to Wuhan results. However, Kyoto ob- servations also gave maximum values at ... See full document
10
Determination of turbulent energy dissipation rate directly from MF radar determined velocity
... First, the FCA analysis is used to obtain 2-minute resolution time series of zonal (u) and meridional (v) components of the neutral wind. In practice, data points may be missing due to poor signal, or interruptions. It ... See full document
5
Dynamics of the lower thermosphere over South Pole from meteor radar wind measurements
... During winter months the observations often reveal the presence of oscillations with periods between about 1.5 and 10 days, all of which are propagating to the east with zonal wavenumber s = 1. These waves ... See full document
10
Meteor trail characteristics observed by high time resolution lidar
... these meteor trails (Chu et ...106 meteor trails for the first time, provided important in- formation about the source distribution of the metallic layers, but their system was primarily configured with an ... See full document
12
Precipitation estimation over radar gap areas based on satellite and adjacent radar observations
... ground-based radar by ob- serving the backscattered reflectivity from raindrops (Austin, ...because radar-estimated rain rate information is available in high spatial and temporal ...particular, ... See full document
10
MF and HF radar techniques for investigating the dynamics and structure of the 50 to 110 km height region: a review
... Most MF/HF SA radar techniques for investigating the neutral atmosphere do not routinely make measure- ments above about 100 ...the MF and lower HF ...frequency radar or location, and the ... See full document
34
Simultaneous radar and video meteors
... the meteor in each ...multi-station meteor detection if the speed is > 6 km/s, the end height is between 10 and 200 km, with a begin height above 40 km, but not lower than 20 km below the end ...all-sky ... See full document
240
Mesospheric winds derived from SuperDARN HF radar meteor echoes at Halley, Antarctica
... HF radar at Halley (76 ◦ S, 27 ◦ W), Antarctica, has been operating since ...ral Radar Network (SuperDARN) of HF radars (Greenwald et ...HF radar at Saskatoon (52 ◦ N, 106 ◦ ...from meteor ... See full document
5
Seasonal variability of atmospheric tides in the mesosphere and lower thermosphere: meteor radar data and simulations
... electric fields and plasma densities, have been attributed to the forcing from atmospheric tides (Immel et al., 2006; Eng- land et al., 2010). The current work is motivated by the need to simulate the tidal dynamics in ... See full document
6
Multistatic meteor radar observations of gravity-wave–tidal interaction over southern Australia
... from observations at Scott Base, Antarctica, that the highest levels of turbulence due to convective insta- bility occurred at the times that the vertical component of the tidal wind induced the most negative ... See full document
22
VHF radar and MF/HF dynasonde observations during Polar Mesosphere Summer Echoes conditions at EISCAT
... VHF radar SNR increases, the reflection altitude of virtual height tend to be lower and the echo ranges in the north-south (NS) and east- west (EW) distances tend to be ... See full document
8
Retrieving horizontally resolved wind fields using multi-static meteor radar observations
... Agile Radar for In- vestigation of the Atmosphere) concept to observe horizon- tally resolved wind fields combining monostatic and multi- static SMR ...SMR observations, ...multi-static observations ... See full document
17
Meteor radar observations of mesopause region long-period temperature oscillations
... interval under investigation. The increase of the 4–6 day os- cillation in summer is significant at the 95 % level according to a t test, however, this is not the case in winter. Note that Pogoreltsev et al. (2009) ... See full document
6
Meteor echo height ceiling effect and mesospheric temperature estimation from meteor radar observations
... daily meteor height distribu- tion from 2012 to ...duce meteor trails, which are composed of metallic ions and electrons by collisions with atmospheric constituents (Love and Brownlee, 1991; Rogers et ...of ... See full document
8
Coded continuous wave meteor radar
... non-specular meteor echoes, E-region field-aligned irregularities (Hysell et ...teor radar observations of the failed Russian missile experi- ment (Kozlovsky et ...Non-specular meteor echoes ... See full document
11
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