Results 301 to 310 of about 4,448,337 (335)

Solar Flare Activity, 1937–2024: Introducing the New Hemispheric Solar Flare Index (hSFI) in the Context of 2024's Major Solar Storm Events

open access: yesSpace Weather, Volume 23, Issue 11, November 2025.
Abstract A new daily composite of the solar flare index (SFI) and the hemispherically‐resolved versions (hSFI) are presented for 1937 to 2024. The data set confirms that the northern hemisphere (NH) dominated solar flare activity during Solar Cycles 17 to 21, but that the southern hemisphere has dominated from Solar Cycle 22 to present.
V. M. Velasco Herrera   +14 more
wiley   +1 more source

Interpolating Electron Diffusion Coefficients in Earth's Radiation Belts: A Neural Network Model Inspired by Video Frame Interpolation

open access: yesSpace Weather, Volume 23, Issue 11, November 2025.
Abstract Many numerical models have been built to uncover the physical mechanisms governing radiation belt dynamics and enable real‐time forecasting. The diffusion coefficient, as a critical input for these models, is usually obtained through linear interpolation from precomputed diffusion coefficient libraries.
Jianhang Wang   +7 more
wiley   +1 more source

From Soil Moisture Spatial Patterns to Catchment Nitrate Dynamics Using Explainable AI

open access: yesWater Resources Research, Volume 61, Issue 11, November 2025.
Abstract Catchment wetness and related hydrological connectivity determine nitrate mobilization, transport and transformation. However, quantifying connectivity at this scale remains challenging. In this study, we tackle this challenge by developing a multi‐branch Deep Learning framework trained on streamflow observations and SMAP‐Hydroblocks, a unique
Felipe Saavedra   +6 more
wiley   +1 more source

Nietzsche at the Deathbed: the Eternal Recurrence as a Counter to the ‘Preaching of Death’

open access: yesThe Heythrop Journal, Volume 66, Issue 6, Page 623-640, November 2025.
Abstract In recent scholarship, the dominant reading of Nietzsche’s concept of the eternal recurrence has been as a thought experiment. This paper responds to this in two ways. First, this paper relocates eternal recurrence in the context of Nietzsche’s abiding concern with the ‘preaching of death’, a powerful, life‐negating weapon of the ascetic ...
Mark Higgins
wiley   +1 more source

Impact of cosmic-ray propagation on the chemistry and ionisation fraction of dark clouds

open access: hybrid
G. Latrille   +5 more
openalex   +1 more source

Introduction to Ultrahigh Energy Cosmic Ray Physics

, 2020
Cosmic ray physics has recently attracted a great deal of attention from the high energy physics community because of the discovery of new sources and the advent of new techniques.
P. Sokolsky
semanticscholar   +1 more source

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