• No results found

Magnetosphere–ionosphere coupling

Magnetosphere-ionosphere coupling currents in Jupiter’s middle magnetosphere: effect of magnetosphere-ionosphere decoupling by field-aligned auroral voltages

Magnetosphere-ionosphere coupling currents in Jupiter’s middle magnetosphere: effect of magnetosphere-ionosphere decoupling by field-aligned auroral voltages

... the magnetosphere-ionosphere coupling current system associated with the breakdown of rigid corotation of equa- torial plasma in Jupiter’s middle ...the ionosphere, whereas it has been shown ...

10

ANGEO - Possible role of magnetosphere-ionosphere coupling in auroral arc generation

ANGEO - Possible role of magnetosphere-ionosphere coupling in auroral arc generation

... the magnetosphere- ionosphere coupling (MIC) feedback ...global magnetosphere- ionosphere ...lower magnetosphere, though the last model may be related to the global system as ...

10

A very bright SAR arc: implications for extreme magnetosphere-ionosphere coupling

A very bright SAR arc: implications for extreme magnetosphere-ionosphere coupling

... Correspondence to: M. Mendillo ([email protected]) 1 Introduction Extreme events in the solar-terrestrial system offer rare op- portunities to test the limits of geophysical mechanisms that operate at more moderate levels ...

16

Magnetosphere-ionosphere coupling during periods of extended high auroral activity: a case study

Magnetosphere-ionosphere coupling during periods of extended high auroral activity: a case study

... al.: Magnetosphere-ionosphere coupling during extended high auroral activity investigating high-altitude electric ...the ionosphere they may generate a positive feedback, increasing the ...

9

On the plasma sheet dependence on solar wind and substorms and its role in magnetosphere ionosphere coupling

On the plasma sheet dependence on solar wind and substorms and its role in magnetosphere ionosphere coupling

... for magnetosphere-ionosphere coupling, in this paper, we address in greater detail these controlling factors, namely, the influence of solar wind and ...

8

Magnetosphere-ionosphere coupling currents in Jupiter’s middle magnetosphere: dependence on the effective ionospheric Pedersen conductivity and iogenic plasma mass outflow rate

Magnetosphere-ionosphere coupling currents in Jupiter’s middle magnetosphere: dependence on the effective ionospheric Pedersen conductivity and iogenic plasma mass outflow rate

... responding magnetosphere-ionosphere coupling current sys- tem, of primary interest here, is shown by the arrowed dashed lines in ...the ionosphere the Pedersen current flows equatorward in ...

23

Role of ionospheric conductance in magnetosphere-ionosphere coupling

Role of ionospheric conductance in magnetosphere-ionosphere coupling

... the magnetosphere was artificially fixed in magnitude and at a particular ...The magnetosphere represents a collisionless plasma because Coulomb collisions are extremely ...

194

Corotation-driven magnetosphere-ionosphere coupling currents in Saturn’s magnetosphere and their relation to the auroras

Corotation-driven magnetosphere-ionosphere coupling currents in Saturn’s magnetosphere and their relation to the auroras

... Saturn’s ionosphere by sub-corotation of the magnetospheric plasma, the calculation taking into account the detailed struc- ture of Saturn’s magnetic field as it is presently known from flyby data, as well as the ...

17

Auroral vortex street formed by the magnetosphere–ionosphere coupling instability

Auroral vortex street formed by the magnetosphere–ionosphere coupling instability

... The high current density can yield a strong field-aligned volt- age if some resistivity as electron inertia and the realistic deep cavities are included in the system. As our first step in a minimal model setup without ...

8

Aspects of magnetosphere–ionosphere coupling in sawtooth substorms: a case study

Aspects of magnetosphere–ionosphere coupling in sawtooth substorms: a case study

... M–I coupling sequence con- sisting of (i) an initial dipolarization with corresponding pseudo-breakup of the WEJ and weak PC convection (PCN, polar cap north index) response (see also Kullen et ...M–I ...

15

Alfvén wave boundary condition for responsive magnetosphere ionosphere coupling

Alfvén wave boundary condition for responsive magnetosphere ionosphere coupling

... the ionosphere can act as a highly conducting reflecting boundary on the dayside, but more like an insulating boundary on the ...the ionosphere has the capacity to act as a highly insulating or highly ...

14

The effect of ring current electron scattering rates on magnetosphere‐ionosphere coupling

The effect of ring current electron scattering rates on magnetosphere‐ionosphere coupling

... • Define the strength of the HEIDI and GUVI aurora as the average of the total energy. 295[r] ...

72

Impact of Precipitating Electrons and Magnetosphere-Ionosphere Coupling Processes on Ionospheric Conductance

Impact of Precipitating Electrons and Magnetosphere-Ionosphere Coupling Processes on Ionospheric Conductance

... energy fluxes calculated by MHD or electron ring current kinetic models, as those do not include 108.. the fluxes of backscattered superthermal electrons (SE) that can contribute to ion[r] ...

19

Space  and ground based investigations of solar wind magnetosphere ionosphere coupling

Space and ground based investigations of solar wind magnetosphere ionosphere coupling

... The discussion so far has concentrated on sub-solar and magnetotail reconnection, which cause the overall quantity of open flux in the magnetosphere to change. When IMF B z > 0 nT, reconnection is expected to ...

15

Magnetosphere-ionosphere coupling currents in Jupiter’s middle magnetosphere: effect of precipitation-induced enhancement of the ionospheric Pedersen conductivity

Magnetosphere-ionosphere coupling currents in Jupiter’s middle magnetosphere: effect of precipitation-induced enhancement of the ionospheric Pedersen conductivity

... In previous studies the Pedersen conductivity has been taken to be simply a constant, while it is expected to be signif- icantly enhanced in the regions of upward-directed auroral field-aligned current, implying downward ...

29

The importance of ground magnetic data in specifying the state of magnetosphere–ionosphere coupling: a personal view

The importance of ground magnetic data in specifying the state of magnetosphere–ionosphere coupling: a personal view

... In the history of geomagnetism, geoelectricity and space science including solar terrestrial physics, ground magnetic records have been demonstrated to be a powerful tool for monitoring the levels of overall geomagnetic ...

8

Production of small scale Alfvén waves by ionospheric depletion, nonlinear magnetosphere ionosphere coupling and phase mixing

Production of small scale Alfvén waves by ionospheric depletion, nonlinear magnetosphere ionosphere coupling and phase mixing

... low-altitude magnetosphere, the exact scale determined by the ratio of ionospheric number densities (equivalently Pedersen con- ductances) to either side of the broadening ...

11

The story of plumes: the development of a new conceptual framework for understanding magnetosphere and ionosphere coupling

The story of plumes: the development of a new conceptual framework for understanding magnetosphere and ionosphere coupling

... stand magnetosphereionosphere ...the magnetosphere and clearly shows that strong two-way coupling between ionospheric and magnetospheric dynamics occurs not only in the high-latitude auroral ...

11

The mechanical advantage of the magnetosphere: solar-wind-related forces in the magnetosphere-ionosphere-Earth system

The mechanical advantage of the magnetosphere: solar-wind-related forces in the magnetosphere-ionosphere-Earth system

... the ionosphere The interaction between the magnetosphere and the iono- sphere proceeds to a large extent by means of electric currents that flow in both regions, coupled by Birkeland ...

15

Gas Giant Magnetosphere Ionosphere Thermosphere Coupling

Gas Giant Magnetosphere Ionosphere Thermosphere Coupling

... netospheric plasma in order to enforce corotation with the planetary magnetic field. Angular velocities of the magnetospheric plasma at Jupiter and Saturn. a) Galileo.. azimuthal plasma [r] ...

20

Show all 4027 documents...

Related subjects