Results 31 to 40 of about 48,110 (212)

Simple reactor model of relativistic runaway electron avalanche development [PDF]

open access: yesarXiv, 2023
High-energy gamma radiation in the Earth's atmosphere is associated with the bremsstrahlung of Relativistic Runaway Electron Avalanches (RREA) developing in thunderstorm electric fields. In this paper, RREA development is studied in the system of two strong electric-field regions within thunderstorms, which accelerate runaway electrons toward each ...
arxiv  

Remember Gerhard Richter in the Thunderstorm of Beethoven: The Influence of Cross-Sensory Coupling on Memory, Intercultural Communication, and the Verbalization of Paintings and Sounds [PDF]

open access: yes, 2013
This interdisciplinary study focuses on the perception and verbalization of messages conveyed through instrumental music, soundscapes, and contemporary paintings.
Antweiler   +44 more
core   +1 more source

First data of the Colombia Lightning Mapping Array - COLMA [PDF]

open access: yes, 2016
The first data set of VHF lightning mapping using a Lightning Mapping Array system - LMA in a tropical region is presented in this paper. Six sensors were installed at the north of Colombia near Santa Marta city.
Aranguren Fino, Harby Daniel   +7 more
core   +1 more source

Isotope production in thunderstorms [PDF]

open access: yesJournal of Atmospheric and Solar-Terrestrial Physics, 2020
Thunderstorms and lightnings are natural particle accelerator systems. Terrestrial gamma-ray flashes, caused by relativistic runaway electron avalanches, produce bursts of $X$ and $ $ rays, energetic enough to produce photo-nuclear reactions within the atmosphere.
openaire   +3 more sources

Searching Signals in Chinese Ancient Records for the $^{14}$C Increases in AD 774-775 and in AD 992-993

open access: yes, 2014
According to the analysis of the $^{14}$C content of two Japanese trees over a period of approximately 3000 years at high time resolution, Miyake (2012) found a rapid increase at AD 774-775 and later on at AD 992-993 (Miyake 2013).
Chai, Ya-Ting, Zou, Yuan-Chuan
core   +1 more source

Termination of Electron Acceleration in Thundercloud by Intra/Inter-cloud Discharge [PDF]

open access: yes, 2018
An on-ground observation program for high energy atmospheric phenomena in winter thunderstorms along Japan Sea has been performed via measurements of gamma-ray radiation, atmospheric electric field and low-frequency radio band.
A. Matsuki   +17 more
core   +2 more sources

Positron clouds within thunderstorms [PDF]

open access: yesJ. Plasma Phys. 81 (2015) 475810405, 2015
We report the observation of two isolated clouds of positrons inside an active thunderstorm. These observations were made by the Airborne Detector for Energetic Lightning Emissions (ADELE), an array of six gamma-ray detectors, which flew on a Gulfstream V jet aircraft through the top of an active thunderstorm in August 2009.
arxiv   +1 more source

Creation of radiocarbon C-14 at thunderstorms [PDF]

open access: yesarXiv, 2020
The synthesis of isotopes is possible under conditions of power electric discharge in the atmosphere. Knowledge of the radioactive 14C yield under flash conditions (as additional channel of 14C production relative to the main - cosmogenic one) is important for radiocarbon analysis. It is proposed the gross model for evaluation of the upper limit of the
arxiv  

Thunderstorm effect to building damages in peninsular Malaysia [PDF]

open access: yes, 2015
Geographical position of Malaysia which is located at a position near the equatorial line affects the climate and weather of this country. One of the specific features of countries near the equator is thunderstorm occurrence that often occur in ...
Mohd Faiz, Anwar
core  

Creation of regions for dialect features using a cellular automaton [PDF]

open access: yes, 2016
An issue in dialect research has been how to make generalizations from survey data about where some dialect feature might be found. Pre-computational methods included drawing isoglosses or using shadings to indicate areas where an analyst expected a ...
Juuso, Ilkka   +1 more
core   +1 more source

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