Search Results - "STENING, R. J"

Lunar tide in the equatorial electrojet in relation to stratospheric warmings by Stening, R. J.

“…The relationship between sudden stratospheric warmings (SSWs) and large‐amplitude lunar tides in the equatorial electrojet (EEJ) is studied. Analysis of ground…”
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The shape of the Sq current system by STENING, R. J

“…Many years ago Mayaud (1965) suggested that a tilted, rather than symmetric, current system may be responsible for the form of daily magnetic variations near…”
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Lunar tidal winds in the upper atmosphere over Jakarta by Stening, R. J., Tsuda, T., Nakamura, T.

“…Winds have been measured at heights from 70 to 120 km by means of a Meteor Wind Radar near Jakarta (6.4S, 106.7E) from 1993 to 1997. These data have been…”
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The ionospheric Sq current system obtained by spherical harmonic analysis by Stening, R. J., Winch, D. E.

“…An earlier comprehensive analysis of geomagnetic tides by Winch is revisited to display changes in the current systems with season and longitude. The data used…”
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Spherical cap harmonic analysis of magnetic variations data from mainland Australia by Stening, R. J., Reztsova, T., Ivers, D., Turner, J., Winch, D. E.

“…Spherical cap harmonic analysis (SCHA) has been applied to geomagnetic data from an array of magnetometers deployed across the Australian mainland during…”
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The daily variations of the vertical (Z) element of the geomagnetic field around the coast of mainland Australia by STENING, R. J, REZTSOVA, T

“…Abstract Use is made of an array of magnetic stations spread across the Australian mainland to examine the daily variation of the vertical element Z of the…”
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Geomagnetism and Schmidt quasi‐normalization by Winch, D. E., Ivers, D. J., Turner, J. P. R., Stening, R. J.

“…SUMMARY Spherical harmonic analysis of the main magnetic field of the Earth and its daily variations is the numerical determination of coefficients of solid…”
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Experiments with a lunar atmospheric tidal model by Stening, R. J., Forbes, J. M., Hagan, M. E., Richmond, A. D.

“…A lunar tidal model similar to that of Forbes [1982] is used to investigate the effects of changes in background zonal winds on the structure of the lunar tide…”
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Regular daily variations in satellite magnetic total intensity data by TURNER, J. P. R, WINCH, D. E, IVERS, D. J, STENING, R. J

“…Regular magnetic daily quiet time (Sq) variations in total intensity of about 30 nT amplitude are determined in Universal Time (UT) from satellite magnetic…”
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Space Weather in the Equatorial Ionosphere by Stening, R J

“…The 'scintillations' observed on signals received in the equatorial region from GPS satellites are due to plasma instabilities in the F region of the…”
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Lunar tidal winds in the upper atmosphere over Collm by STENING, R. J, JACOBI, C

“…The lunar semidiurnal tide in winds measured at around 90 km altitude has been isolated with amplitudes observed up to 4 m s super(-1). There is a marked…”
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The lunar tide in sporadic E by STENING, R. J

“…It seems that the wind shear theory is accepted for the explanation of sporadic E at mid and low latitudes. Some examples from Arecibo are displayed to show…”
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Lunar tides in the Thermosphere-Ionosphere-Electrodynamics General Circulation Model by Stening, R. J., Richmond, A. D., Roble, R. G.

“…Lunar semidiurnal tides are introduced at the lower boundary of the National Center for Atmospheric Research Thermosphere‐Ionosphere‐Electrodynamics General…”
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Simulating the lunar geomagnetic variations by Stening, R. J., Carmody, C., Du, J.

“…The equivalent circuit method is used to simulate the lunar semidiurnal geomagnetic tides. Samples of observations of the lunar geomagnetic tide are also…”
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Variations in the strength of the Sq current system by R. J. Stening

“…The strength of the Sq current system is measured by taking the difference between magnetic variations on either side of the current system focus. This is…”
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Ørsted and Magsat scalar anomaly fields by Ivers, D. J., Stening, R. J., Turner, J., Winch, D. E.

“…The scalar anomaly field determined from available Ørsted data is compared with the upward continued scalar anomaly field derived from Magsat data. Two…”
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Variations of the lunar geomagnetic tide in the Indian region by Stening, R.J, Rastogi, R.G

“…The seasonal variations of the lunar geomagnetic tide are analysed at a group of stations around the longitude of India. The position of the focus of the lunar…”
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Lunar tides in the mesosphere over Christmas Island (2°N, 203°E) by Stening, R. J., Schlapp, D. M., Vincent, R. A.

“…This paper reports the first measurement of the lunar tide in upper atmosphere winds at an equatorial site. Wind velocities have been measured at Christmas…”
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Lunar tide in the equatorial electrojet in relation to stratospheric warmings: LUNAR EFFECTS IN THE EQUATORIAL ELECTROJET by Stening, R. J.

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Lunar tidal winds in the upper atmosphere over Collm by Stening, R. J., Jacobi, C.

“…The lunar semidiurnal tide in winds measured at around 90 km altitude has been isolated with amplitudes observed up to 4 m s–1. There is a marked amplitude…”
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