Results 11 to 20 of about 6,990 (242)

Impact of Air Pollutants on Lightning Activities in Kathmandu, Nepal [PDF]

open access: yesThe Scientific World Journal
An electric field mill (EFM-100) short-range sensor has been installed on the rooftop of the six story building of Kathmandu BernHardt College, Tribhuvan University (TU), Bafal, Kathmandu for continuous monitoring of lightning events within a 38 km in ...
P. B. Adhikari   +3 more
doaj   +2 more sources

Design and Optimization of Field Mill Sensors for Accurate Measurement of HVdc Ground Electric Fields Based on Amplifier Parallel Optimization and Wavelet Decomposition Techniques

open access: yesIEEE Access
With the rapid development of high-voltage direct current (HVdc) transmission technology, the demand for monitoring the DC total electric field at ground level has increased significantly.
Yuehua Huang   +4 more
doaj   +3 more sources

Operational analysis of electric field mills as lightning warning systems in Colombia

open access: yesIngeniería e Investigación, 2011
Electrostatic field measurements taken in Bogotá, Colombia, during thunderstorms in November (the rainy season due to inter-tropical confluence zone over central Colombia) were used to study the performance of an isolated electric field sensor and ...
D. Aranguren   +5 more
doaj   +3 more sources

Isotropic Irradiation Model from Atmospheric Discharges Using Local Atmospheric Electric Field Data

open access: yesBrazilian Archives of Biology and Technology, 2022
Using a local atmospheric electric field sensor network (Field Mill), an electromagnetic link model was proposed considering a free space electric field and a theoretical electric field calculated from an atmospheric discharge. With this, it was possible
Armando Heilmann   +3 more
doaj   +1 more source

The electrical activity of Saharan dust as perceived from surface electric field observations [PDF]

open access: yesAtmospheric Chemistry and Physics, 2021
We report on the electric field variations during Saharan dust advection over two atmospheric remote stations in Greece, using synergistic observations of the vertical atmospheric electric field strength (Ez) at ground level and the lidar-derived ...
V. Daskalopoulou   +12 more
doaj   +1 more source

Karakteristik Medan Listrik Atmosfer Kota Padang dan Hubungannya dengan Sambaran Petir Awan ke Tanah

open access: yesJurnal Nasional Teknik Elektro, 2017
The possibility of using Electric Field Mill data as parameter of lightning warning sistem requires atmospheric electric field data comparisons with lightning detection sistems.
Primas Emeraldi, Ariadi Hazmi
doaj   +5 more sources

Trends and Features of Thunderstorms and Lightning Activity in the Upper Volga Region

open access: yesAtmosphere, 2023
An increase in the frequency of atmospheric hazards in a changing climate has attracted interest in the study of regional features of mesoscale convective systems and trends of lightning activity. Severe convective storms are the most destructive weather
Svetlana Dementyeva   +5 more
doaj   +1 more source

Graphene electric field sensor for large scale lightning detection network

open access: yesAIP Advances, 2022
Graphene is widely used in various real-life applications due to its high sensitivity to the change in the carrier concentration. Here, we demonstrate that graphene can be used for implementing a reliable lightning detection network as it shows excellent
Afsal Kareekunnan   +7 more
doaj   +1 more source

Design of DC Composite Electric Field Measurement Structure Based on Vibratory Sensor

open access: yesZhongguo dianli, 2023
The measurement accuracy of the synthetic electric field of high-voltage DC lines has an important influence on the electromagnetic environment assessment, which is directly related to the environmental protection acceptance of related projects.
Guangzhou ZHANG   +4 more
doaj   +1 more source

The sporadic sodium layer: a possible tracer for the conjunction between the upper and lower atmospheres [PDF]

open access: yesAtmospheric Chemistry and Physics, 2021
In this research, we reveal the inter-connection between lightning strokes, reversal of the electric field, ionospheric disturbances, and a sodium layer (NaS), based on the joint observations by a temperature/wind (T/W, where the slash means “and”) lidar,
S. Qiu   +18 more
doaj   +1 more source

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