The Western Crete geodetic infrastructure: Long-range power-law correlations in GPS time series using Detrended Fluctuation Analysis |
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Authors: | Vasileios Tserolas Stelios P Mertikas Xenophon Frantzis |
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Institution: | Laboratory of Geodesy & Geomatics Engineering, Exploration & Positioning Division, Department of Mineral Resources Engineering, Technical University of Crete, Chania, Greece |
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Abstract: | The Global Positioning System makes it possible, nowadays, to measure crustal displacements with unprecedented accuracy. These measurements can improve our understanding of the spatio-temporal evolution of motion along tectonic plate boundaries, as well as deepen our comprehension for the nature of earthquake fault behavior and earthquake cycle. The Hellenic subduction zone and the earthquake-prone Crete, with large crustal motions of 3–4 cm/yr, may provide such a natural laboratory for this type of investigation. In this work, we examine the statistical structure and behavior of time series, as produced by permanent GPS sites, established on the islands of Crete and Gavdos. |
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Keywords: | GPS TUC-NET Crustal displacement Kalman filter Detrended Fluctuation Analysis Long-range power-law correlations |
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