Variations of total electron content over Serbia during the increased solar activity period in 2013 and 2014

Blagojević, Dragan; Drakul, Miljana Todorovic; Odalović, Oleg; Grekulović, Sanja; Joksimović, Danilo

doi:10.15292/geodetski-vestnik.2016.04.734-744

Cited by 2 publications

(2 citation statements)

References 9 publications

(10 reference statements)

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“…-Ionosphere -detection of solar events, solar radiation influence on detections of other phenomena, and ionospheric plasma modeling (Nina, Čadež, Srećković, & Šulić, 2011;Nina, Čadež, Srećković, & Šulić, 2012;Nina, Čadež, Šulić, Srećković, & Žigman, 2012;Nina & Čadež, 2013;Kolarski & Grubor, 2014;Nina & Čadež, 2014;Šulić & Srećković, 2014;Kolarski & Grubor, 2015;Nina, Simić, Srećković, & Popović, 2015;Blagojevic et al, 2016;Šulić, Srećković, & Mihajlov, 2016;Todorović Drakul et al 2016;Nina, Čadež, Popović, & Srećković, 2017;). -Telecommunications -signal propagation in perturbed ionosphere (Bajčetić, Nina, Čadež, & Todorović, 2015).…”

Section: Research Resultsmentioning

confidence: 99%

Investigation of solar influence on the terrestrial processes: Activities in Serbia

Radovanović¹

2018

J GEOGR INST CVIJIC

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In this contribution, we have summarized the current stage and perspective of cooperation between different scientific institutions in Serbia in the field of the investigation of the solar influences and effects on our planet. These activities involved 14 researchers from 7 institutions. The investigations are based on experimental, theoretical and numerical work and results are published in numerous papers in respected international journals. In order to make better connection and coordination of relevant activities in Serbia with international tendencies in this research field researchers participate in several international projects and programs. Bearing in mind the importance of the Sun's impact on our planet, the lives of people as well on modern technologies the general impression is that it is necessary to improve the existing infrastructure and increase the number of involved scientists. This study aims to present the current tendency of integrating contemporary research, people and technology in our country, in order to establish cooperation with other relevant groups and individuals.

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Section: Research Resultsmentioning

confidence: 99%

Investigation of solar influence on the terrestrial processes: Activities in Serbia

Radovanović¹

2018

J GEOGR INST CVIJIC

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“…Whilst diurnal and seasonal effects are considered as regular effects, the solar activity levels and its effect on the Earth’s magnetic field may produce both regular and irregular variations. Irregular variations in TEC are mainly due to Traveling Ionospheric Disturbances (TID) 18 – 20 and/or ionospheric or geomagnetic storms 21 .…”

Section: Introductionmentioning

confidence: 99%

Development of a local empirical model of ionospheric total electron content (TEC) and its application for studying solar-ionospheric effects

Davoudifar

Tabari

Shafigh

et al. 2021

Sci Rep

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Regular and irregular variations in total electron content (TEC) are one of the most significant observables in ionospheric studies. During the solar cycle 24, the variability of ionosphere is studied using global positioning system derived TEC at a mid-latitude station, Tehran (35.70N, 51.33E). Based on solar radio flux and seasonal and local time-dependent features of TEC values, a semi-empirical model is developed to represent its monthly/hourly mean values. Observed values of TEC and the results of our semi-empirical model then are compared with estimated values of a standard plasmasphere–ionosphere model. The outcome of this model is an expected mean TEC value considering the monthly/hourly regular effects of solar origin. Thus, it is possible to use it for monitoring irregular effects induced by solar events. As a result, the connection of TEC variations with solar activities are studied for the case of coronal mass ejections accompanying extreme solar flares. TEC response to solar flares of class X is well reproduced by this model. Our resulting values show that the most powerful flares (i.e. class X) induce a variation of more than 20 percent in daily TEC extent.

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Variations of total electron content over Serbia during the increased solar activity period in 2013 and 2014

Cited by 2 publications

References 9 publications

Investigation of solar influence on the terrestrial processes: Activities in Serbia

Investigation of solar influence on the terrestrial processes: Activities in Serbia

Development of a local empirical model of ionospheric total electron content (TEC) and its application for studying solar-ionospheric effects

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