Results 131 to 140 of about 21,226 (301)

Earthward Propagated Auroral Kilometric Radiation: Observations From Polar

Geophysical Research Letters, Volume 53, Issue 12, 28 June 2026.
Abstract Auroral Kilometric Radiation (AKR), the strongest natural radio emission from Earth's magnetosphere, has been primarily observed in space. It is generally understood to propagate anti‐Earthward and be detected at large radial distances, while Earthward‐directed waves are thought to be blocked by the ionosphere. Surprisingly, AKR‐like emissions
Olha Melnychenko, Siyuan Wu, Daniel K. Whiter, Baptiste Cecconi, Claire Baskvetich   +4 more
wiley   +1 more source

Geomagnetic ground survey in Slovakia for the 2007.5 epoch

Contributions to Geophysics and Geodesy, 2009
New  geomagnetic ground  survey  was  carried  out in  years  2006–2008.   The survey  was accomplished under  fair geomagnetic-activity conditions during  the minimum phase  of a solar  activity  cycle No. 23.  The  measurements  of the geomagnetic field
Peter DOLINSKÝ, Fridrich VALACH, Magdaléna VÁCZYOVÁ, Milan HVOŽDARA   +3 more
doaj  

A Recursive Truncated Taylor Expansion Downward Continuation Method for Geomagnetic Field

Applied Sciences
In aeromagnetic detection and geomagnetic navigation, the reference geomagnetic maps usually need to be continued to different altitudes. Traditionally, the geomagnetic field upward continuation is stable.
Ke Wan, Haibin Li, Xu Liu, Zhongyan Liu, Yujing Xu, Yujie Xiang, Zengquan Ding, Weiji Dai, Xinrong He, Qi Zhang   +9 more
doaj   +1 more source

Principal component analysis as a tool to extract Sq variation from the geomagnetic field observations: Conditions of applicability. [PDF]

MethodsX, 2023
Morozova A, Rebbah R.
europepmc   +1 more source

The Drag of Ionosphere Plasma Drifts on Thermospheric Zonal Winds During the 10–12 May 2024 Superstorm

Geophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract The observations from GRACE‐FO and DMSP satellites are utilized to analyze the ion‐neutral interaction near dusk during the 10–12 May 2024 super‐storm. The horizontal plasma convection dragged the anti‐sunward wind in the polar cap and sunward winds around the auroral and subauroral regions during whole storm times.
Ruilong Zhang, Libo Liu, Wenbo Li, Rongjin Du, Yuzhou Wang, Yiding Chen, Huijun Le   +6 more
wiley   +1 more source

The Geomagnetic Field (GMF) Is Required for Lima Bean Photosynthesis and Reactive Oxygen Species Production. [PDF]

Int J Mol Sci, 2023
Parmagnani AS, Betterle N, Mannino G, D'Alessandro S, Nocito FF, Ljumovic K, Vigani G, Ballottari M, Maffei ME.   +8 more
europepmc   +1 more source

First Observation of the Second Harmonic of Upper Band Chorus Waves Linking to Slow Z‐Mode

Geophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract The Z‐mode, comprising fast and slow branches, is a ubiquitous electromagnetic wave in planetary magnetospheres. While fast Z‐mode generation is attributed to electron cyclotron maser instability, the slow Z‐mode mechanism remains unresolved.
Si Liu, Zhonglei Gao, Yaxiong Zhou, Hongming Yang, Fuliang Xiao, Archie James Johnston, Lixian Yang   +6 more
wiley   +1 more source

A Correlation Analysis of Geomagnetic Field Characteristics in Geomagnetic Perceiving Navigation. [PDF]

Front Neurorobot, 2021
Li H, Qu J, Jiang X, Niu Y.
europepmc   +1 more source

Multi-method palaeointensity data of the geomagnetic field during the past 500 kyrs from European volcanoes

, 2016
The Earth’s magnetic field is generated in the liquid outer core of our planet and acts as a shield against harmful radiation from space. Without it, life on Earth would not be possible. However, the geomagnetic field is not stable: its poles continually
Monster, M.W.L., NWO-ALW Open: High-resolution regional records of geomagnetic field behaviour: the next generation of joined 40Ar/39Ar dating and paleointensity determination for the last 150 kyr, Paleomagnetism   +2 more
core  

Green Emissions of Atomic Oxygen at Sprite Tops Explained

Geophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract Green emissions from excited Oxygen in Sprite Tops (GhOSTs) are due to the 557 nm photons emitted from atomic oxygen (O) $(\mathrm{O})$ excited to the 1S state. In this work we compare the possible contribution of various mechanisms for excitation of O(S1) $\mathrm{O}({}^{1}S)$ under application of a lightning‐induced electric field to the ...
Brandon Smith, Reza Janalizadeh, Victor P. Pasko   +2 more
wiley   +1 more source