The ring current
The ring current: a short biography
... the ring-current formation based on his developing hydromagnetic ...westward ring cur- ...the ring current and the main-phase perturbations seen at the ...the ring current ...
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The distribution of the ring current: Cluster observations
... the ring current has been made using Cluster 4- spacecraft observations near perigee, at times when the Clus- ter array had relatively small separations and nearly regu- lar tetrahedral configurations, and ...
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Modelling of the ring current in Saturn’s magnetosphere
... disk current will require taking into account both of the temporal variations related to the condition of the mag- netosphere, as well as non-axisymmetric contributions due to local time ...
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On the estimates of the ring current injection and decay
... forecasting ring current strength (and of the Dst index) based on the solar wind upstream conditions is of specific interest for predicting the occurrence of geomagnetic ...the ring current ...
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Relation between the ring current and the tail current during magnetic storms
... the ring current cannot give the significant contribution to the magnetic field at geostationary orbit, we propose that this discrepancy is due to an overesti- mation of the tail current ...
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Morphology of the ring current derived from magnetic field observations
... the ring cur- rent flows and closes in the magnetosphere at a variety of disturbance ...3-dimensional current density by the simple device of taking the curl of the sta- tistically determined magnetic ...
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Influence of the interplanetary magnetic field on the ring current injection rate
... Bz = Bz 0 − Bz instead of Bz below. This rescaling from Bz to Bz is the same as that for the AL index (Aoki, 2005), and is considered as a way of describing the fact that the solar wind-magnetosphere coupling can occur ...
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Coulomb lifetime of the ring current ions with time varying plasmasphere
... (Received June 30, 1997; Revised March 20, 1998; Accepted March 27, 1998) We have developed a time-dependent model of the plasmasphere to evaluate the spatial variation of the Coulomb lifetime of ring ...
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Effects of Different Geomagnetic Storm Drivers on the Ring Current: CRCM Results
... on ring current energy content. Other mechanisms that affect the ring current, such as sub- storms and the effects of external currents, are obviously not ...
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First current density measurements in the ring current region using simultaneous multi-spacecraft CLUSTER-FGM data
... magnetosphere’s current mapping is one of the key elements for current loop closure inside the entire ...the current is the multi-spacecraft curlometer technique, which is based on the application of ...
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Role of substorm-associated impulsive electric fields in the ring current development during storms
... the ring current dur- ing all storm phases is ...total ring current energy during storm recovery ...the ring current during all storm ...the ring current is a ...
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Azimuthally asymmetric ring current as a function of
... 18 LT Figure 6. The same as in Figure 3 but for the model by Tsyganenko (2002a,b). Fig. 6. The same as in Fig. 3 but for the model by Tsyganenko (2002a, b). P sw = 3 nPa, B z IMF=0. Figure 6 shows the total electric cur- ...
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Storm-time ring current: model-dependent results
... the ring current simulations where different combina- tions of different representations for magnetic and electric fields and boundary conditions were used, and a number of conclusions were made on the ...
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ANGEO - Ring current influence on auroral electrojet predictions
... These currents are energized by the solar-wind interac- tion with the magnetosphere and respond dynamically to variations of the solar-wind forcing. At middle and low latitudes the ring current and the ...
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Sub-keV ring current ions as the tracer of substorm injection
... the ring current region, the so-called wedge-like dispersions structure, were statisti- cally studied using Viking satellite ...nightside ring current region, and that the dispersion is formed ...
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Ring Current Transport and Acceleration in the Inner Magnetosphere, Andrew Menz
... the ring current, the current system in the inner magnetosphere driven by the pressure gradients of charged ...this current creates a disturbance to Earth’s magnetic ...hanced current, ...
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Outflowing protons and heavy ions as a source for the sub-keV ring current
... sub-keV ring current ...the ring current also during quiet geomagnetic conditions; (2) the composition of the out- flow implies an origin that covers an altitude interval from the low-altitude ...
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Energetic ion injection and formation of the storm-time symmetric ring current
... symmetric ring current paradigm for years in which the ring current quickly becomes symmet- ric after the storm main phase, when ions drifting on open drift trajectories are trapped in closed ...
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Ring current decay time model during geomagnetic storms: a simple analytical approach
... the ring cur- rent depends on D st ...the ring current particles is directly propor- tional to their total kinetic ...the ring current decay time should de- pends not only to changing ...
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ANGEO - Analytical study of the energy rate balance equation for the magnetospheric storm-ring current
... The fact that a constant s leads to a good ®t for the main phase of the storms studied implies that a single loss mechanism would be operating, or at least be dominant, for the ring current during this ...
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