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On the cause of geomagnetic storms
Journal of Geophysical Research, 1974A study of the solar wind and interplanetary magnetic field during four geomagnetic storms shows that strong southward interplanetary magnetic fields are associated with the development of each main phase. Weak southward magnetic fields do not necessarily lead to an increase in the ring current even though such southward fields persist.
Christopher T. Russell +2 more
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Geomagnetic Index for Intense Ionospheric Storm
2019 Russian Open Conference on Radio Wave Propagation (RWP), 2019© 2019 IEEE. From analysis of the geomagnetic activity indices aa and ap it is obtained that the index aa can be more adequate indicator of geomagnetic activity for the ionospheric parameters at periods of maxima of intense magnetic storms than ap. This is supported by analysis of the F2-layer critical frequency over Irkutsk station at the period of ...
Deminov M., Deminov R.
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On the geomagnetic storm effect
Journal of Geophysical Research, 1956The high electrical conductivity of the region surrounding Earth, inferred from the observations of atmospheric whistlers and the zodiacal light, requires abandoning the customary models for producing a geomagnetic storm field with impressed current system.
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Dynamics of the geomagnetic storm
Space Science Reviews, 1962This paper is intended as a critical review of current ideas concerning the mechanisms responsible for the geomagnetic storm. The dynamical theory of the geomagnetic storm phenomenon is formulated as a problem in elasticity. The observed variations in the field are the strains produced by particle stresses exerted by gases in interplanetary space, by ...
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Studies on geomagnetic storm in relation to geomagnetic pulsation
Journal of Geophysical Research, 1958The existence of the earth's outer atmosphere, of which hydromagnetic oscillations forced by the corpuscular stream would give rise to geomagnetic pulsations, suggests the usefulness of studying the geomagnetic storm in relation to the geomagnetic pulsation, and, further, of improving the Chapman-Ferraro theory of the geomagnetic storm.
Y. Kato, T. Watanabe
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Geomagnetic storms and substorms
Reviews of Geophysics, 1975This report is divided into two main parts corresponding roughly to observations and interpretations. The observation section is subdivided into papers concerned with the solar wind, geomagnetic tail, the magnetosphere, and the ionosphere and atmosphere. These regions are of course interdependent, and the boundaries between them are not sharp. However,
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On the geomagnetic storm effect
Journal of Geophysical Research, 1957In a recent paper,1 an objection was raised against the “ring-current” hypothesis of geomagnetic storm effects, and an alternative hypothesis based on atmosphere displacements was advanced. The objection arose from the unacceptable delay, estimated at 87 days, required for the passage of the storm through the outer reaches of the earth's atmosphere ...
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Journal of Geophysical Research, 1960
A discussion of the two-gas theory of the transmission of geomagnetic disturbances through the atmosphere (to several earth radii) is extended, with the following results: (i) The central problem concerning the main phase of a geomagnetic storm is the mechanism of penetration of solar ions into the geomagnetic field.
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A discussion of the two-gas theory of the transmission of geomagnetic disturbances through the atmosphere (to several earth radii) is extended, with the following results: (i) The central problem concerning the main phase of a geomagnetic storm is the mechanism of penetration of solar ions into the geomagnetic field.
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Is ozone affected by geomagnetic storms?
Advances in Space Research, 1999Abstract A brief review of effects of strong geomagnetic storms on total ozone content, targeted to effects observed near the latitudinal circle of 50N, shows that at these latitudes geomagnetic-storm related changes in total ozone can at least partly be attributed to storm-related changes in atmospheric circulation.
J. Laštovička, P. Mlch
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Tutorial on geomagnetic storms and substorms
IEEE Transactions on Plasma Science, 2000Geomagnetic storms have been studied for more than a century and substorms for nearly four decades. The space era which began in the late 1950s has ushered new discoveries and given new practical importance to this scientific discipline as we continue to amass technological assets in space.
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