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Consistency of seven different GNSS global ionospheric mapping techniques during one solar cycle.

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Title: Consistency of seven different GNSS global ionospheric mapping techniques during one solar cycle.
Authors: Roma-Dollase, David1,2, Hernández-Pajares, Manuel1 manuel.hernandez@upc.edu, Krankowski, Andrzej3, Kotulak, Kacper3, Ghoddousi-Fard, Reza4, Yuan, Yunbin5, Li, Zishen6, Zhang, Hongping7, Shi, Chuang7, Wang, Cheng7, Feltens, Joachim8, Vergados, Panagiotis9, Komjathy, Attila9, Schaer, Stefan10, García-Rigo, Alberto1, Gómez-Cama, José M.2
Source: Journal of Geodesy. Jun2018, Vol. 92 Issue 6, p691-706. 16p.
Subjects: Global Positioning System, Solar cycle, Geological mapping, Total electron content (Atmosphere), Altimeters
Abstract: 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. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Geodesy is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Consistency of seven different GNSS global ionospheric mapping techniques during one solar cycle.
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  Data: <searchLink fieldCode="AR" term="%22Roma-Dollase%2C+David%22">Roma-Dollase, David</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Hernández-Pajares%2C+Manuel%22">Hernández-Pajares, Manuel</searchLink><relatesTo>1</relatesTo><i> manuel.hernandez@upc.edu</i><br /><searchLink fieldCode="AR" term="%22Krankowski%2C+Andrzej%22">Krankowski, Andrzej</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Kotulak%2C+Kacper%22">Kotulak, Kacper</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Ghoddousi-Fard%2C+Reza%22">Ghoddousi-Fard, Reza</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Yuan%2C+Yunbin%22">Yuan, Yunbin</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Li%2C+Zishen%22">Li, Zishen</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Hongping%22">Zhang, Hongping</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Shi%2C+Chuang%22">Shi, Chuang</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Wang%2C+Cheng%22">Wang, Cheng</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Feltens%2C+Joachim%22">Feltens, Joachim</searchLink><relatesTo>8</relatesTo><br /><searchLink fieldCode="AR" term="%22Vergados%2C+Panagiotis%22">Vergados, Panagiotis</searchLink><relatesTo>9</relatesTo><br /><searchLink fieldCode="AR" term="%22Komjathy%2C+Attila%22">Komjathy, Attila</searchLink><relatesTo>9</relatesTo><br /><searchLink fieldCode="AR" term="%22Schaer%2C+Stefan%22">Schaer, Stefan</searchLink><relatesTo>10</relatesTo><br /><searchLink fieldCode="AR" term="%22García-Rigo%2C+Alberto%22">García-Rigo, Alberto</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Gómez-Cama%2C+José+M%2E%22">Gómez-Cama, José M.</searchLink><relatesTo>2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Geodesy%22">Journal of Geodesy</searchLink>. Jun2018, Vol. 92 Issue 6, p691-706. 16p.
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  Data: <searchLink fieldCode="DE" term="%22Global+Positioning+System%22">Global Positioning System</searchLink><br /><searchLink fieldCode="DE" term="%22Solar+cycle%22">Solar cycle</searchLink><br /><searchLink fieldCode="DE" term="%22Geological+mapping%22">Geological mapping</searchLink><br /><searchLink fieldCode="DE" term="%22Total+electron+content+%28Atmosphere%29%22">Total electron content (Atmosphere)</searchLink><br /><searchLink fieldCode="DE" term="%22Altimeters%22">Altimeters</searchLink>
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  Data: 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 <italic>classical</italic> 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Geodesy is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s00190-017-1088-9
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        Text: English
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      – SubjectFull: Global Positioning System
        Type: general
      – SubjectFull: Solar cycle
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      – SubjectFull: Geological mapping
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      – SubjectFull: Total electron content (Atmosphere)
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      – SubjectFull: Altimeters
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