Extending the analysis on the best solar activity proxy for long-term ionospheric investigations

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F23%3A00574576" target="_blank" >RIV/68378289:_____/23:00574576 - isvavai.cz</a>

Výsledek na webu

<a href="https://royalsocietypublishing.org/doi/10.1098/rspa.2023.0225" target="_blank" >https://royalsocietypublishing.org/doi/10.1098/rspa.2023.0225</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1098/rspa.2023.0225" target="_blank" >10.1098/rspa.2023.0225</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Extending the analysis on the best solar activity proxy for long-term ionospheric investigations

Popis výsledku v původním jazyce

Based on a previous study to select the best solar activity proxy for foF2 modelling, we expand the analysis to include 24 h time span, increase the spatial coverage by considering additional ionospheric stations, and update the analysis to 2021. Annual means of foF2 are analysed for 12 selected stations from Europe, Asia and Oceania, with high-quality data covering the period 1978-2021 in most of the cases, including two of the three European stations of the previous study. The same four solar proxies were used: F10.7, F30, MgII and HeII, which, based on the high linear correlation between each of them and foF2, serve to model this ionospheric parameter through a linear regression. The results of our comparative analysis, extended to more stations, all the hours and updated time series, agree with previous works, with MgII and F30 being the best solar proxies for foF2 modelling, while HeII is found to be the least effective for this purpose. The importance of the solar proxy selection to model foF2 for filtering purposes to later estimate long-term trends is highlighted considering that different solar proxies applied might result in somewhat different foF2 long-term trend values.

Název v anglickém jazyce

Extending the analysis on the best solar activity proxy for long-term ionospheric investigations

Popis výsledku anglicky

Based on a previous study to select the best solar activity proxy for foF2 modelling, we expand the analysis to include 24 h time span, increase the spatial coverage by considering additional ionospheric stations, and update the analysis to 2021. Annual means of foF2 are analysed for 12 selected stations from Europe, Asia and Oceania, with high-quality data covering the period 1978-2021 in most of the cases, including two of the three European stations of the previous study. The same four solar proxies were used: F10.7, F30, MgII and HeII, which, based on the high linear correlation between each of them and foF2, serve to model this ionospheric parameter through a linear regression. The results of our comparative analysis, extended to more stations, all the hours and updated time series, agree with previous works, with MgII and F30 being the best solar proxies for foF2 modelling, while HeII is found to be the least effective for this purpose. The importance of the solar proxy selection to model foF2 for filtering purposes to later estimate long-term trends is highlighted considering that different solar proxies applied might result in somewhat different foF2 long-term trend values.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10509 - Meteorology and atmospheric sciences

Projekt

<a href="/cs/project/GA21-03295S" target="_blank" >GA21-03295S: Dlouhodobé trendy antropogenního a přírodního původu ve stratosféře a horní atmosféře</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Proceedings of the Royal Society A-Mathematical Physical and Engineering Sciences

ISSN

1364-5021

e-ISSN

1471-2946

Svazek periodika

479

Číslo periodika v rámci svazku

2276

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

9

Strana od-do

20230225

Kód UT WoS článku

001041240000004

EID výsledku v databázi Scopus

2-s2.0-85167995660