Variability of Ionospheric TEC and the Performance of the IRI-2012 Model at the BJFS Station, China

• Autorzy: Li S. , Li L. , Peng J.

Identyfikatory

DOI

10.1515/acgeo-2016-0075

• Języki publikacji: EN

Abstrakty

EN

We studied variation characteristics of ionospheric total electron contents (TEC) and performance of the International Reference Ionosphere (IRI)-2012 model in predicting TEC at the BJFS (Beijing Fangshan station), China. Diurnal and seasonal variations were analyzed with TEC data derived from dual-frequency global positioning system (GPS) observations along with the solar activity dependence of TEC at the BJFS station. Data interpolated with information from IGS Global Ionosphere Maps (GIMs) were also used in the analysis. Results showed that the IRI-2012 model can reflect the climatic characteristics and solar activity dependence of ionospheric TEC. By using time series decomposition method, ionospheric daily averaged TEC values were divided into the periodic components, geomagnetic activity component, solar activity component and secular trend. Solar activity component and periodic components are supposed to be the main reasons which account for the difference between the GIMs TEC and the TEC from the IRI-2012 model.

Słowa kluczowe

EN

ionosphere; TEC; IRI; time series decomposition; total electron content; International Reference Ionosphere

PL

jonosfera; TEC; IRI; dekompozycja szeregów czasowych

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2016
• Tom: Vol. 64, no. 5
• Strony: 1970--1987
• Opis fizyczny: Bibliogr. 48 poz.

Twórcy

autor

Li S.

• School of Land Science and Technology, China University of Geosciences, Beijing, China

autor

Li L.

• School of Land Science and Technology, China University of Geosciences, Beijing, China

autor

Peng J.

• School of Land Science and Technology, China University of Geosciences, Beijing, China

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