[PDF] Top 20 Temperature tides determined with meteor radar
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Temperature tides determined with meteor radar
... shows meteor wind data recorded with the meteor radar located at Albuquerque, New ...This radar operates according to the description in Hocking et ...for temperature determinations, ... See full document
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Seasonal variability of atmospheric tides in the mesosphere and lower thermosphere: meteor radar data and simulations
... We have demonstrated that the KMCM used with a con- ventional model setup provides a reasonable representation of the annual cycle of the semidiurnal tide in MLT region at middle and high latitudes, though substantial ... See full document
6
Seasonal variability of atmospheric tides in the mesosphere and lower thermosphere: meteor radar data and simulations
... Thermal tides play an important role in the global atmospheric dynamics and provide a key mechanism for the forcing of thermosphere/ionosphere dynamics from ...ground-based meteor radars located in Northern ... See full document
9
Meteor echo height ceiling effect and mesospheric temperature estimation from meteor radar observations
... the temperature estimation procedure from the FWHM is reevaluated by verifying the temporal invari- ance of the proportionality constant between the FWHM and mesospheric temperature over the entire ... See full document
8
Meteor radar observations of mesopause region long-period temperature oscillations
... In order to analyze the seasonal and interannual variability of temperature oscillations, following Jacobi et al. (1998a) we apply a filter technique by using Lanczos bandpass filters (Duchon, 1979) with 50 ... See full document
6
Meteor observations with an MF radar
... VHF meteor radar observations, where the number of meteors detected above 100 km is usually not enough to estimate wind ...mospheric tides, which has been regularly observed at low to mid-latitude ... See full document
9
A comparison of 11-year mesospheric and lower thermospheric winds determined by meteor and MF radar at 69 N
... In this study we analyze data from the Saura Medium Fre- quency (MF) Radar and the Andenes Meteor Radar (MR), which are both located on the island of Andøya in northern Norway (69 ◦ N, 16 ◦ E). The ... See full document
14
Internal tides and energy fluxes over Great Meteor Seamount
... are determined halfway over the southern slope of Great Meteor Seamount (Canary Basin), using data from combined CTD/LADCP yoyoing, covering the whole water ... See full document
9
Meteor radar measurements of mean winds and tides over Collm (51.3 N, 13 E) and comparison with LF drift measurements 2005–2007
... A VHF all-sky MR is operated at Collm (51.3 ◦ N, 13 ◦ E) on 36.2 MHz since summer 2004. Pulse repetition frequency is 2144 Hz, but is effectively reduced to 536 Hz, due to 4-point coherent integration. Power is 6 kW and ... See full document
7
Potential for Measurement of Mesospheric Ozone Density from Overdense Meteor Trains with a Monostatic Meteor Radar
... the meteor trail (Kaiser, 1968; Elford and Elford, ...moving meteor, is essentially a quasineutral plasma, containing positive metallic ions and ...of meteor velocity (Baggaley, ...the meteor ... See full document
302
Radar meteor decay rate variability and atmospheric consequences
... use meteor decay times to determine temperatures. Pro- viding that the radar receiver phases are properly calibrated, so that the height determinations have minimal random er- ror, the correlation ... See full document
10
Spatial distribution of errors associated with multistatic meteor radar
... low-power meteor radars, the opportunity exists to benefit from simultaneous application of multiple systems spaced by only a few hundred km and ...multistatic meteor radars, ...be determined, and ... See full document
13
Seasonal behavior of meteor radar winds over Wuhan
... February 2004) of observations has been analyzed to investigate the climatology of mean winds and tides. The daily average zonal wind is charactered by a strong shear in solstices and an intense eastward flow in ... See full document
10
Retrieval of intrinsic mesospheric gravity wave parameters using lidar and airglow temperature and meteor radar wind data
... riod at 00:00 UT, while the third region consists of three peaks between the 0.5 and 1.0 h observed period and 23:00– 05:00 UT (Fig. 4a). In AMTM data we see GW ampli- tudes with significance levels > 95 % from 19:00 UT ... See full document
19
Influence of gravity waves and tides on mesospheric temperature inversion layers: simultaneous Rayleigh lidar and MF radar observations
... the temperature inversion is also affected by the gravity wave ...strong temperature inver- sion was observed around 90 ...the temperature inversions occurring in a global scale are probably as a ... See full document
9
Coordinated radar observations of atmospheric diurnal tides in equatorial regions
... of meteor echoes with an interferometer ...individual meteor echoes that distribute widely in azimuth ...of meteor echoes in each bin is less than ... See full document
14
The diurnal and semidiurnal tides over Ascension Island (° S, 14° W) and their interaction with the stratospheric quasi-biennial oscillation: studies with meteor radar, eCMAM and WACCM
... 3.2 Diurnal tide 3.2.1 Amplitudes of the diurnal tide To investigate the seasonal variability of the diurnal and semidiurnal tides, monthly-mean vector averages were cal- culated from the 4-day least-squares fits ... See full document
22
Long-period upper mesosphere temperature and plasma scale height variations derived from VHF meteor radar and LF absolute reflection height measurements
... In the case of a delay of the reflection height curve with re- spect to the solar zenith distance, i.e. for the case of non- equilibrium, the slope differs from H. While von Cossart (1976) for mesospheric data used the ... See full document
5
ANGEO - Mountain wave motions determined by the Esrange MST radar
... 2pl ÿ1 k s gives k s as the horizontal distance traversed by an air parcel during one period of its buoyancy oscillation). The pro®le of the Scorer parameter is the best indicator of the conditions for the vertical ... See full document
14
All-sky interferometric meteor radar meteoroid speed estimation using the Fresnel transform
... M=rnd(t alias /1t +0.5), required to increase the rate at which the weighting function is sampled such that it is unaliased for the radar sampling parameters being used (where “rnd” represents a function that ... See full document
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