Results 91 to 100 of about 41,225 (275)

Upward negative leaders in positive triggered lightning: Stepping and branching in the initial stage

open access: yesGeophysical Research Letters, 2017
By conducting comprehensive observation on the rarely triggered positive lightning flashes, two cases of upward negative leaders were quantitatively investigated with simultaneous data of current, optical, and electromagnetic field changes at fine time ...
Yunjiao Pu   +6 more
doaj   +1 more source

The electric field changes and UHF radiations caused by the triggered lightning in Japan [PDF]

open access: yes
In the rocket triggered lightning experiment of fiscal 1989, researchers observed electromagnetic field changes and UHF electromagnetic radiation accompanying rocket triggered lightning.
Horii, Kenji   +5 more
core   +1 more source

Quasi‐Trapped Zebra Stripes: Radial Transport Driven by Dual‐Pulse Electric Fields

open access: yesGeophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract Energetic electron spectra in Earth's inner radiation belt often exhibit regular stripe‐like features, known as “zebra stripes,” which are typically attributed to the drift motion of stably‐trapped electrons disturbed by electric field perturbations.
Ziyang Wang   +5 more
wiley   +1 more source

Bridging Superconductors With United Nations Development Goals: Perspectives and Applications

open access: yesphysica status solidi (a), Volume 223, Issue 7, 7 April 2026.
Ceramic superconductors enable sustainable technologies. A bibliometric review of 33,756 publications (1980–2025) assesses their alignment with the UN Sustainable Development Goals. Key applications identified from include clean propulsion, efficient power grids, advanced medical imaging, and quantum computing, highlighting both their transformative ...
Edimar A. S. Duran   +9 more
wiley   +1 more source

Wave Profile for Breakdown Waves with a Large Current Behind the Wave Front [PDF]

open access: yes, 2017
For analytical solution of breakdown waves with a large current behind the wave front, we employ a one-dimensional, steady-state, three-component (electrons, ions, and neutral particles) fluid model.
Bowman, M., Griffiths, J., Hemmati, M.
core   +3 more sources

Plastid Genome Evolution Across the Roridulaceae–Sarraceniaceae Clade (Ericales) in Relation to Carnivorous Strategies

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
The Roridulaceae–Sarraceniaceae clade exhibits strikingly divergent carnivorous strategies, providing a framework to examine how trophic shifts influence plastid genome evolution. Comparative plastome analyses reveal recurrent ndh gene disruption across species, while Roridula gorgonias shows pronounced genomic restructuring, including elevated ...
Shengxin Chang   +4 more
wiley   +1 more source

XGBoost Meets INLA: A Two‐Stage Spatio‐Temporal Forecasting of Wildfires in Portugal

open access: yesEnvironmetrics, Volume 37, Issue 3, April 2026.
ABSTRACT Wildfires pose a major threat to Portugal, with over 115,000 hectares burned annually on average during 1980–2024, and the country has faced devastating mega‐fires such as those in 2017. Accurate forecasts of wildfire occurrence and burned area are therefore essential for firefighting resource allocation and emergency preparedness.
Chenglei Hu   +5 more
wiley   +1 more source

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