Consistency of seven different GNSS global ionospheric mapping techniques during one solar cycle
| Autor: | Panagiotis Vergados, Attila Komjathy, Jose M. Gómez-Cama, Manuel Hernández-Pajares, David Roma-Dollase, Yunbin Yuan, Hongping Zhang, Cheng Wang, Reza Ghoddousi-Fard, J. Feltens, Andrzej Krankowski, Kacper Kotulak, Alberto García-Rigo, Stefan Schaer, Chuang Shi, Zishen Li |
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| Přispěvatelé: | Universitat de Barcelona, Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions, Universitat Politècnica de Catalunya. Departament de Matemàtiques, Universitat Politècnica de Catalunya. IonSAT - Grup de determinació Ionosfèrica i navegació per SAtèl·lit i sistemes Terrestres |
| Rok vydání: | 2017 |
| Předmět: |
010504 meteorology & atmospheric sciences
Computer science Context (language use) Global ionospheric maps 01 natural sciences Sistema de posicionament global Consistency (database systems) Geochemistry and Petrology Global Positioning System 0103 physical sciences Global navigation satellite systems Altimeter Ionosphere Computers in Earth Sciences 010303 astronomy & astrophysics 0105 earth and related environmental sciences Remote sensing Total electron content Ionosfera Model validation Frame (networking) Geodesy Vertical total electron content Solar cycle GNSS (Sistema de navegació) Geophysics GNSS applications Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Satèl·lits i ràdioenllaços [Àrees temàtiques de la UPC] |
| Zdroj: | UPCommons. Portal del coneixement obert de la UPC Universitat Politècnica de Catalunya (UPC) Recercat. Dipósit de la Recerca de Catalunya instname Dipòsit Digital de la UB Universidad de Barcelona |
| ISSN: | 1432-1394 0949-7714 |
| Popis: | The final publication is available at Springer via http://dx.doi.org/10.1007/s00190-017-1088-9. In the context of the International GNSS Service (IGS), several IGS Ionosphere Associated Analysis Centers have developed different techniques to provide global ionospheric maps (GIMs) of vertical total electron content (VTEC) since 1998. In this paper we present a comparison of the performances of all the GIMs created in the frame of IGS. Indeed we compare the classical ones (for the ionospheric analysis centers CODE, ESA/ESOC, JPL and UPC) with the new ones (NRCAN, CAS, WHU). To assess the quality of them in fair and completely independent ways, two assessment methods are used: a direct comparison to altimeter data (VTEC-altimeter) and to the difference of slant total electron content (STEC) observed in independent ground reference stations (dSTEC-GPS). The main conclusion of this study, performed during one solar cycle, is the consistency of the results between so many different GIM techniques and implementations. |
| Databáze: | OpenAIRE |
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