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Permanent Scatterer InSAR Analysis and Validation in the Gulf of Corinth

机译：科林斯湾的永久散射体InSAR分析和验证

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The Permanent Scatterers Interferometric SAR technique (PSInSAR) is a method that accurately estimates the near vertical terrain deformation rates, of the order of ∼1 mm year-1, overcoming the physical and technical restrictions of classic InSAR. In this paper the method is strengthened by creating a robust processing chain, incorporating PSInSAR analysis together with algorithmic adaptations for Permanent Scatterer Candidates (PSCs) and Permanent Scatterers (PSs) selection. The processing chain, called PerSePHONE, was applied and validated in the geophysically active area of the Gulf of Corinth. The analysis indicated a clear subsidence trend in the north-eastern part of the gulf, with the maximum deformation of ∼2.5 mm year-1 occurring in the region north of the Gulf of Alkyonides. The validity of the results was assessed against geophysical/geological and geodetic studies conducted in the area, which include continuous seismic profiling data and GPS height measurements. All these observations converge to the same deformation pattern as the one derived by the PSInSAR technique.
机译：永久散射体干涉SAR技术（PSInSAR）是一种可以准确估算近似垂直地形变形率的方法，其大约1mm year -1 的数量级，克服了传统InSAR的物理和技术限制。在本文中，该方法通过创建强大的处理链，结合PSInSAR分析以及针对永久性散射体候选（PSC）和永久性散射体（PSs）选择的算法改进来得到增强。该处理链称为PerSePHONE，已在科林斯湾的地球物理活跃区域中得到应用和验证。分析表明，海湾东北部有明显的沉降趋势，最大变形为〜2.5 mm year -1 发生在Alkyonides海湾以北地区。根据该地区进行的地球物理/地质和大地测量研究（包括连续的地震剖面数据和GPS高度测量）对结果的有效性进行了评估。所有这些观察都收敛到与PSInSAR技术得出的相同的变形模式。

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