Influence of geomagnetic disturbances on atmospheric electric field (Ez) variations at high and middle latitudes

Клейменова, Н. Г.; Козырева, О. В.; Michnowski, S.; Kubicki, Marek

doi:10.1016/j.jastp.2012.07.009

Cited by 15 publications

(21 citation statements)

References 23 publications

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“…It is well know that the largest magnetospheric disturbances are happened in the main phase of magnetic storms and represented strong magnetic substorms at night side of the Earth. We found (Kleimenova et al 2008(Kleimenova et al , 2013 that the strongest effects of magnetic storm in mid-latitude Ez variations were observed not during the night but in the daytime.…”

Section: Observations and Resultsmentioning

confidence: 71%

Geomagnetic Storms and Substorms as Space Weather I nfluence on Atmospheric Electric Field Variations

Клейменова¹,

Odzimek²,

Michnowski³

et al. 2018

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The atmospheric electric field (Ez) exists in the Earth's atmosphere at any location on the globe due the phenomenon called the global atmospheric electric circuit. This global circuit is controlled mainly by the world thunderstorm and shower clouds activity which act as generators, and the cosmic rays as well solar electromagnetic radiation, which modify its load. Moreover, the Earth's magnetosphere-ionosphere disturbances, caused by interaction with solar wind, could influence this state as well. Here we present an overview of our main results of the study of the potential effects in Ez caused by geomagnetic storms and substorms as an important factor of the space weather. Our results are based of the Ez observations at the mid-latitude Polish station Swider (near Warsaw) and high-latitude Polish station Horsund (Spitsbergen archipelago). The effect of magnetic storms, associated with a coronal mass ejection from the Sun, was detected in the mid-latitude atmospheric electricity as strong daytime Ez negative anomalies in relation with simultaneous occurrence of night-side magnetospheric substorms. However, at high-latitudes, the auroral-latitude magnetic substorm lead to the simultaneous polar-latitude Ez deviations, positive in the local morning and negative in the evening, corresponding to the station's location relative to the "positive" or "negative" center of the polar ionosphere convection vortex. Thus, ground-based Ez recordings could be one of the very sensible tools to study solar windmagnetosphere-ionosphere-atmosphere interactions.

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Section: Observations and Resultsmentioning

confidence: 71%

Geomagnetic Storms and Substorms as Space Weather I nfluence on Atmospheric Electric Field Variations

Клейменова¹,

Odzimek²,

Michnowski³

et al. 2018

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“…In general, diurnal variation of PG is highly sensitive to seasonal changes and varies significantly with each season because of the seasonal variability of lightning activity over the globe [Kleimenova et al, 2013]. The present data set avoids such seasonal biasing on the PG measurement, since the event days fall on the same, autumn (March, April, and May), season of the Antarctica Plateau.…”

Section: Discussionmentioning

confidence: 99%

“…The highlatitude upper atmosphere is quite sensitive to the solar wind-magnetosphere interaction. During the main phase of intense geomagnetic storm, the effects on high-latitude ionosphere are highly pronounced [Kleimenova et al, 2012[Kleimenova et al, , 2013.…”

Section: Discussionmentioning

confidence: 99%

“…The difference between PG and PGQ is considerably high when the polar cap current was intensified over Vostok. It is inferred that substorm can significantly modulate the PG by changing the electrodynamics of the ionosphere, which is the part of the global electric circuit [Kleimenova et al, 2013]. From 06:00 UT, the considerable changes on PG are noticed, in which, the negative excursion (relative to the PGQ) is initiated from 07:00 UT, where the strong ΔH perturbation is found at Vostok.…”

Section: -18 March 2013mentioning

confidence: 99%

“…This observation strengthens the earlier studies, which state that downward mapping of large-scale ionospheric electric field is in phase (positive coupling) with global thunderstorm-generated electric field (PG) when the station is dominated by positive potential region. As a counterpart, the negative potential region may lead to the negative coupling, since the mapping field antiphase with prevailing vertical electric field [Panneerselvam et al, 2010;Lukianova et al, 2011;Kleimenova et al, 2013].…”

Section: 1002/2017ja024022mentioning

confidence: 99%

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Variation of atmospheric electric field measured at Vostok, Antarctica, during St. Patrick's Day storms on 24th solar cycle

et al. 2017

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The influence of solar wind‐magnetosphere interaction on the atmospheric electric field is investigated in connection with the two severe geomagnetic storms during 24th solar cycle. The observation was carried out at Vostok (78°27′S, 106°52′E), Antarctica, during 17–18 March 2013 and 17–18 March 2015. Two consecutive substorms were observed at Vostok during the main phase of geomagnetic storms, where the disturbed ionospheric current is antisunward in the morning sector (~04:00–10:00 UT) and sunward in the noon‐afternoon sector (~11:00–16:00 UT). Interplanetary magnetic field (IMF) and solar wind interaction enhance the ionospheric potential, which in turn couple with Potential Gradient (PG) measured at ground level. Eventually, for the first time, the slope of ~1.0 Vm−1 per kV has been demonstrated between Vostok PG and overhead ionospheric potential (Weimer_05) during intense (Kp = 8) geomagnetic perturbation. The linear relation between PG and overhead potential is highly significant on positive coupling, i.e., positive ΔPG changes, whereas the offset of ~25 V/m has been estimated with negative coupling. Ionospheric convection map from Super Dual Auroral Radar Network is more compatible with PG on positive coupling, and for negative changes of PG, radar observation is more consistent than the Weimer_05 model. Ionospheric electric potential from radar observation and empirical model is highly compromised when a polar cap is dominated by a single negative potential region associated with IMF By ≪ 0. It is inferred that superposed overhead ionospheric potential on Vostok PG is highly effective when IMF maintained a steady flow, whereas it is less significance for rapid changes of solar wind‐IMF parameters.

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Review of Relationships Between Solar Wind and Ground-Level Atmospheric Electricity: Case Studies from Hornsund, Spitsbergen, and Swider, Poland

Michnowski¹,

Odzimek

Клейменова

et al. 2021

Surv Geophys

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This paper reviews individual cases of the relationships between variations of solar wind parameters and variations of the DC vertical atmospheric electric field, $$E_z$$ E z , and current density, $$J_z$$ J z , measured at ground level in the Arctic, at the S. Siedlecki Polish Polar Station Hornsund, Spitsbergen (Svalbard, Norway), and at the mid-latitude S. Kalinowski Geophysical Observatory in Swider (Poland). A considerable number of events from Hornsund confirmed previous observations of regularity of effects related to the station’s position against the location of the potential bays of ionospheric convection and polar electrojets, observed in other polar locations, as well as effects of other polar cap current systems. This allowed us to conclude that the physical dependence of ground-level $$E_z$$ E z and $$J_z$$ J z on solar wind changes produce measurable effects which do not require statistical analysis to be observed. We can also expect that the dependence does exist, especially in strongly disturbed circumstances, e.g., following solar flares and Earth-directed coronal mass ejections, at middle latitudes. However, further investigations of these physical relationships by this approach are practically almost impossible since a very large number of variable parameters simultaneously affect the recorded lower atmospheric variables. In addition, results of quantitative analysis of predicted and observed effects are not satisfactory. Future research studies require more efficient ways of investigation by theoretical treatment and modelling work using existing and novel observational data besides taking advantage of scientific progress in magnetospheric physics.

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Influence of geomagnetic disturbances on atmospheric electric field (Ez) variations at high and middle latitudes

Cited by 15 publications

References 23 publications

Geomagnetic Storms and Substorms as Space Weather I nfluence on Atmospheric Electric Field Variations

Geomagnetic Storms and Substorms as Space Weather I nfluence on Atmospheric Electric Field Variations

Variation of atmospheric electric field measured at Vostok, Antarctica, during St. Patrick's Day storms on 24th solar cycle

Review of Relationships Between Solar Wind and Ground-Level Atmospheric Electricity: Case Studies from Hornsund, Spitsbergen, and Swider, Poland

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