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首页> 外文期刊>Journal of African earth sciences >Detection of ground deformation over Sharm El-Sheikh-Ras Nasrani coastal zone, South Sinai (Egypt), by using time series SAR interferometry
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Detection of ground deformation over Sharm El-Sheikh-Ras Nasrani coastal zone, South Sinai (Egypt), by using time series SAR interferometry

机译：使用时间序列SAR干涉仪检测南西奈（埃及）沙姆沙伊赫·拉斯·纳斯拉尼海岸地区的地面变形

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摘要

The investigation area is located in the most southern part of Sinai Peninsula boarded from the west by the Gulf of Suez and from the east by the Gulf of Aqaba. The present study concerns the application of stacking and persistent scattering of SAR interferometry in order to monitor ground deformation in the southern part of Sharm El-Shiekh area. The specific techniques were applied in order to reduce the influence of atmospheric effects on the ground deformation estimates. For this purpose a total number of 26 ENVISAT ASAR scenes covering the period between 2003 and 2009 were processed and analyzed. Interferometric processing results show both patterns of uplift and downlift in the study area. Specifically an area along the coastline with a N-S direction, corresponding to the build up zone of Sharm El-Sheikh, shows annual average subsidence rates between 5 and 7 mm/yr along the line of sight (LOS). On the contrary, Sharm El-Maya, an inner zone, parallel to the above subsided area; shows maximum slant range uplift of 5 mm/yr. The obtained results of both stacking and persistent scattering indicate that the ground deformation in Sharm El-Sheikh-Ras Nasrani coastal zone is attributed to several effecting factors compromising water pumping, lithology, seismicity, and possible active fracture. The contribution of all these factors is discussed in the context.
机译：调查区域位于西奈半岛最南端，从西到苏伊士湾，从东到亚喀巴湾。本研究涉及SAR干涉仪的叠加和持续散射的应用，以监测沙姆沙伊赫地区南部的地面变形。为了减少大气效应对地面变形估计的影响，应用了特定技术。为此，处理和分析了2003年至2009年期间总共26个ENVISAT ASAR场景。干涉仪处理结果显示了研究区域的隆起和隆起两种模式。具体来说，沿着海岸线的，具有N-S方向的区域，对应于沙姆沙伊赫的集聚区，沿视线（LOS）的年平均沉降率在5至7毫米/年之间。相反，沙姆沙伊-玛雅（Sharm El-Maya）是一个内部区域，与上述塌陷区平行；显示最大倾斜范围提升为5毫米/年。堆积和持续散射的结果都表明，沙姆沙伊赫-拉斯-纳斯拉尼海岸地区的地面变形归因于几个影响因素，这些因素折衷了抽水，岩性，地震活动性和可能的​​活动裂缝。在上下文中讨论了所有这些因素的贡献。

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