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Excitation and decay of solar-wind driven flows in the magnetosphere-ionosphere system
- S. Cowley, M. Lockwood
- Physics
- 1 February 1992
Basic concepts of the form of high-latitude atmospheric flows and their excitation and decay are discussed in the light of recent high time-resolution measurements made by ground-based radars. It is…
The causes of convection in the Earth's magnetosphere: A review of developments during the IMS
- S. Cowley
- Physics
- 1 August 1982
The physical processes which give rise to convection in the earth's magnetosphere have been the subject of active debate for many years. Most of the discussion has centered on two basic pictures, one…
The Cassini Magnetic Field Investigation
- M. Dougherty, S. Kellock, S. Cowley
- Physics, Geology
- 1 September 2004
The dual technique magnetometer system onboard the Cassini orbiter is described. This instrument consists of vector helium and fluxgate magnetometers with the capability to operate the helium device…
Dependence of convective flows and particle precipitation in the high‐latitude dayside ionosphere on the X and Y components of the interplanetary magnetic field
- S. Cowley, J. P. Morelli, M. Lockwood
- Physics
- 1 April 1991
The asymmetries in the convective flows, current systems, and particle precipitation in the high-latitude dayside ionosphere which are related to the equatorial plane components of the interplanetary…
THE CLUSTER MAGNETIC FIELD INVESTIGATION
- A. Balogh, M. Dunlop, M. Kivelson
- Physics
- 1 December 1997
The Cluster mission provides a new opportunity to study plasma processes and structures in the near-Earth plasma environment. Four-point measurements of the magnetic field will enable the analysis of…
A survey of dayside flux transfer events observed by ISEE 1 and 2 magnetometers
- R. Rijnbeek, S. Cowley, D. Southwood, C. Russell
- Physics, Geology
- 1 February 1984
A survey is made of magnetic flux transfer events (FTE's) observed both exterior and interior to the dayside magnetopause region by the ISEE 1 and 2 spacecraft during the first two years of…
Saturn's polar ionospheric flows and their relation to the main auroral oval
Abstract. We consider the flows and currents in Saturn's polar ionosphere which are implied by a three-component picture of large-scale magnetospheric flow driven both by planetary rotation and the…
Magnetosphere‐Ionosphere Interactions: A Tutorial Review
- S. Cowley
- Physics
- 18 March 2013
We review the basic physics of the field-aligned current (FAC) systems which transmit energy and stress between the magnetosheathmagnetosphere system, and the ionosphere-thermosphere system. The…
Variations in the polar cap area during two substorm cycles
- S. Milan, M. Lester, J. Villain
- Physics
- 31 May 2003
This study employs observations from several sources to determine the location of the polar cap bound- ary, or open/closed field line boundary, at all local times, allowing the amount of open flux in…
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