Real-time GNSS for fast seismic source inversion and tsunami early warning
Dissertation, Universität Potsdam, 2016
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| Sprache: | eng |
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Potsdam
2016
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Tag hinzufügen | Zusammenfassung: | Dissertation, Universität Potsdam, 2016 Over the past decades, rapid and constant advances have motivated GNSS technology to approach the ability to monitor transient ground motions with mm to cm accuracy in real-time. As a result, the potential of using real-time GNSS for natural hazards prediction and early warning has been exploited intensively in recent years, e.g., landslides and volcanic eruptions monitoring. Of particular note, compared with traditional seismic instruments, GNSS does not saturate or tilt in terms of co-seismic displacement retrieving, which makes it especially valuable for earthquake and earthquake induced tsunami early warning. In this thesis, we focus on the application of real-time GNSS to fast seismic source inversion and tsunami early warning. Firstly, we present a new approach to get precise co-seismic displacements using cost effective single-frequency receivers. As is well known, with regard to high precision positioning, the main obstacle for single-frequency GPS receiver is ionospheric delay. Considering that over a few minutes … |
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| Beschreibung: | xii, 81 Seiten Illustrationen, Diagramme |