Results 121 to 130 of about 18,291 (244)

What Is the Lowest Latitude of Discrete Aurorae During Superstorms?

open access: yesSpace Weather
From a survey of published accounts of visual sightings of aurorae, a compilation is presented of the lowest identified geomagnetic latitude at which discrete aurorae were seen at local zenith during magnetic storms having intensities with maximum −Dst ...
Jeffrey J. Love   +3 more
doaj   +1 more source

Multi‐Scale Electrical Conductivity Model of the Contiguous United States

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract The completion of the Magnetotelluric (MT) USArray across the contiguous US enables continental‐scale 3‐D imaging of the asthenosphere‐lithosphere electrical structure. We present a novel 3‐D model of the contiguous United States (MECMUS), derived from a single inversion of the now‐completed USMTArray data set.
Federico D. Munch, Alexander Grayver
wiley   +1 more source

Fractal Dimension Analysis of Earth Magnetic Field during 26 August 2018 Geomagnetic Storm. [PDF]

open access: yesEntropy (Basel), 2022
Wawrzaszek A   +4 more
europepmc   +1 more source

Geomagnetic Storm Research Based on Recent Geomagnetic Explosion

open access: yesInternational Journal of Applied Science
Geomagnetic storms, caused by disturbances in Earth’s mag- netosphere, have garnered significant attention due to their po-tential impact on technology and infrastructure. This article examines the origins and characteristics of geomagnetic storms, often triggered by solar activity like coronal mass ejections.
openaire   +1 more source

BIOLOGICAL EFFECTS OF GEOMAGNETIC STORMS

open access: yes, 2020
Six physiological parameters of cardio-vascular system of rabbits and ultrastructure of cardiomyocytes were investigated during two planetaty geomagnetic storms. At the initial and main phase of the storm the normal circadian structure in each cardiovascular parameter was lost.
CHIBISOV S.M.   +3 more
openaire   +1 more source

Solar‐Wind Triggering of Substorm Onset During the May 2024 Superstorm: Coordinated Global Observations and Simulations

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Substorms are often described by a loading‐unloading cycle, where onset follows gradual accumulation of solar wind magnetic flux in the magnetosphere. Yet observations indicate that intense substorms can also be directly driven, though the underlying mechanism remains unresolved.
Yong Ren   +8 more
wiley   +1 more source

The State of Solar Wind Heavy Ions in Interplanetary Coronal Mass Ejection–Driven Geomagnetic Storms

open access: yesThe Astrophysical Journal
During geomagnetic storms, which are the primary periods for heavy ions from the solar wind to enter Earth’s magnetospheric space, the charge state of solar wind heavy ions during these storms has significant implications for studying the distribution ...
Cong Wang, Fei He, Xiaoxin Zhang
doaj   +1 more source

Morning–Afternoon Asymmetry in Correlations Between the Equatorial Electrojet and Sq Westward Currents on Polar‐Side of the Focus

open access: yesGeophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract Equatorial electrojet (EEJ) and solar quiet (Sq) currents with one vortex each in either hemisphere are key components of the ionospheric dynamo currents, driving geomagnetic diurnal variations observed at Earth's surface. However, the physical coupling between EEJ and Sq westward currents on the polar side of the vortex focus remains poorly ...
Xiaocan Liu   +3 more
wiley   +1 more source

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