Search Results - "A. S. Rodger"
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On the SuperDARN autocorrelation function observed in the ionospheric cusp
Published in Geophysical research letters (15-11-1999)“…The SuperDARN radars are proving to be a very powerful experimental tool for exploring solar wind‐magnetosphere‐ionosphere interactions. They measure the…”
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Modeling the ionospheric effects of ion and electron precipitation in the cusp
Published in Journal of Geophysical Research, Washington, DC (01-11-1999)“…The effect of increased ion production due to the precipitation of both ions and electrons in the cusp region has been studied using a computational model of…”
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3
Identification of the low-altitude cusp by Super Dual Auroral Radar Network radars: A physical explanation for the empirically derived signature
Published in Journal of Geophysical Research, Washington, DC (01-12-2000)“…The Super Dual Auroral Radar Network (SuperDARN) radars are proving to be a very powerful experimental tool for exploring solar wind‐magnetosphere‐ionosphere…”
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4
HF-radar observations of the dayside magnetic merging rate: A Geospace Environment Modeling boundary layer campaign study
Published in Journal of Geophysical Research (01-05-1997)“…Goose Bay HF‐radar data have been used to determine the dayside reconnection electric field which transports energy from the solar wind into the Earth's…”
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5
A test of the magnetospheric source of traveling convection vortices
Published in Journal of Geophysical Research - Space Physics (01-02-2004)“…Traveling convection vortices (TCVs) are a powerful tool for probing the nature of the coupling between the solar wind, the magnetosphere, and the ionosphere…”
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6
Two-dimensional structure of long-period pulsations at polar latitudes in Antarctica
Published in Journal of Geophysical Research - Space Physics (01-03-2004)“…Two‐dimensional (2‐D) statistical distributions of spectral power and coherence of polar geomagnetic variations with quasi‐periods about 10 min are analyzed…”
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Response of the inner and outer magnetosphere to solar wind density fluctuations during the recovery phase of a moderate magnetic storm
Published in Journal of atmospheric and solar-terrestrial physics (01-10-2007)“…We examine the geomagnetic field and space plasma disturbances developing simultaneously in the solar wind, in the inner and outer magnetosphere, and on the…”
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Conjugate observations of traveling convection vortices: The field-aligned current system
Published in Journal of Geophysical Research - Space Physics (01-10-2002)“…Analysis of a single traveling convection vortex (TCV) event that combines magnetometer, auroral imager, and riometer observations from conjugate hemispheres…”
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Ionosphere dynamics over Europe and western Asia during magnetospheric substorms 1998–99
Published in Annales geophysicae (1988) (01-05-2003)“…The temporal and spatial behaviour of the ionospheric parameters foF2 and h'F during isolated substorms are examined using data from ionospheric stations…”
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The variability of Joule heating, and its effects on the ionosphere and thermosphere
Published in Annales geophysicae (1988) (31-07-2001)“…A considerable fraction of the solar wind energy that crosses the magnetopause ends up in the high-latitude thermosphere-ionosphere system as a result of Joule…”
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High spatial and temporal resolution observations of the ionospheric cusp
Published in Annales geophysicae (1988) (30-09-1995)“…The Halley PACE HF radar has been operated in a new mode to provide very high time (10 s) and space (15 km) resolution measurements of the iono-spheric…”
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12
On determining the noon polar cap boundary from SuperDARN HF radar backscatter characteristics
Published in Annales geophysicae (1988) (31-12-2000)“…Previous work has shown that ionospheric HF radar backscatter in the noon sector can be used to locate the footprint of the magnetospheric cusp particle…”
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13
On determining the noon polar cap boundary from SuperDARN HF radar backscatter characteristics
Published in Annales geophysicae (1988) (2001)“…Previous work has shown that ionospheric HF radar backscatter in the noon sector can be used to locate the footprint of the magnetospheric cusp particle…”
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14
The response of the HF radar spectral width boundary to a switch in the IMF By direction: Ionospheric consequences of transient dayside reconnection?
Published in Journal of Geophysical Research: Space Physics (01-01-2001)“…In the high‐latitude dayside ionosphere, the movement of the HF radar spectral width boundary (SWB) provides a good proxy for the movement of the open‐closed…”
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15
A case study test of Araki's physical model of geomagnetic sudden commencement
Published in Journal of Geophysical Research (01-07-2001)“…This paper tests the Araki [1994] computational model of the Earth‐ionosphere system during geomagnetic sudden commencement (sc). In particular, we test the…”
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16
Poleward-moving HF radar flow bursts in the cusp: Transient changes in flow speed or direction?
Published in Geophysical research letters (01-04-2000)“…Poleward‐moving line‐of‐sight velocity “flow bursts” have been observed in the cusp by two southern hemisphere SuperDARN HF radars with overlapping…”
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The ionospheric response to flux transfer events : the first few minutes
Published in Annales geophysicae (1988) (1997)“…We utilise high-time resolution measurements from the PACE HF radar at Halley, Antarctica to explore the evolution of the ionospheric response during the first…”
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18
An investigation into the correlation of geomagnetic storms with tropospheric parameters over the South Pole
Published in Annales geophysicae (1988) (01-05-2003)“…We test the proposal that the Sun’s magnetic activity, communicated via the solar wind, provides a link between solar variability and the Earth’s climate in…”
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19
Conjugate observations of the day-side reconnection electric field : A GEM boundary layer campaign
Published in Annales geophysicae (1988) (1999)“…Data from HF-radars are used to make the first simultaneous conjugate measurements of the day-side reconnection electric field. A period of 4 h around local…”
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20
ULF Pc5-6 magnetic activity in the polar cap as observed along a geomagnetic meridian in Antarctica
Published in Journal of Geophysical Research - Space Physics (01-08-2002)“…Latitudinal and diurnal distributions of spectral power and spatial coherency parameters of the geomagnetic variations in the Pc5‐6 (1–6 mHz) frequency range…”
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