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Experimental study of diurnal and seasonal variations in the atmospheric electric field

Shatalina, M. V., Mareev, E. A., Klimenko, V. V., Kuterin, F. A. and Nicoll, K. A. (2019) Experimental study of diurnal and seasonal variations in the atmospheric electric field. Radiophysics and Quantum Electronics, 62 (3). pp. 183-191. ISSN 1573-9120

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To link to this item DOI: 10.1007/s11141-019-09966-x

Abstract/Summary

In order to separate global and local effects of atmospheric electricity, measurements of the fair-weather electric field were performed in Nizhny Novgorod in 2013-2018. As a result of processing 139 diurnal records from four observation points spaced 6–8 km apart, diurnal variations in the fair-weather atmospheric electric field for different seasons and weekdays (working days and weekends) were studied. The curve of the local diurnal variation is shown to always have two maxima. The evening maximum of the diurnal variation (19:00–20:00 UT) coincides in time with the maximum of the Carnegie curve, which is a characteristic of the global electrical circuit. The highest values of the field amplitude are reached in the winter period. The field-intensity maximum in the first half of the day (09:00–11:00 LT) is characteristic of the urban environment and shows that local effects associated with the presence of aerosol particles in the air significantly contribute to the formation of diurnal variation, especially in summer. According to the 2013–2018 measurements, the seasonal variation in the monthly-average values of the atmospheric electric field is revealed and analyzed compared with the results of measurements of seasonal variation in other regions of the globe. The obtained results allow one to reveal the role of local effects in the formation of diurnal variation in the mid-latitude areas with temperate continental climate and provide a basis for developing a theory which can explain the physical mechanisms of local effects and suggest appropriate parametrization for finding the surface electric field in the weather and climate models.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Meteorology
ID Code:86446
Additional Information:Unmapped bibliographic data: JO - Radiophysics and Quantum Electronics [Field not mapped to EPrints]
Publisher:Springer

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