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首页> 外文期刊>Science of the total environment >Monitoring of land surface subsidence using persistent scatterer interferometry techniques and ground truth data in arid and semi-arid regions, the case of Remah, UAE
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Monitoring of land surface subsidence using persistent scatterer interferometry techniques and ground truth data in arid and semi-arid regions, the case of Remah, UAE

机译：在干旱和半干旱地区使用持久散射散射器干涉技术和地面真理数据监测土地表面沉降，雷玛，阿联酋的情况

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摘要

The United Arab Emirates (UAE) is located in an arid desert climate with very limited water resources and scarce rainfall. Along with the fast development of the country, the water demand for agriculture, industrial, and domestic purposes increased and led to diminishing groundwater resources. In this study, we explore the land surface deformations due to groundwater overexploitation in the agricultural area of Remah by analyzing Sentinel-1 data between 2015 and 2019 with the novel Parallelized-Persistent Scatterer Interferometry (P-PSI) technique. The detected land surface deformations have been correlated to the recorded groundwater levels at nearby water wells. This study detected land surface deformations in a form of an extensive subsidence bowl (with 28.5 km in diameter) with a maximum subsidence rate of 40 mm/year and a standard deviation within the bowl of less than 2 mm/year. The detected subsidence was associated with a 12 m drop in the water table level within the study area. The Persistent Scatterers with the highest deformations rate were spatially correlated with the depression cone of the groundwater level. These findings provide useful insights in understanding the groundwater regime of the area and have an important role in assessing regional hazards and driving mitigation measures towards managing uncontrolled groundwater overexploitation for sustainable management of groundwater resources.
机译：阿拉伯联合酋长国（阿联酋）位于干旱的沙漠气候，水资源非常有限，降雨量。随着国家的快速发展，农业，工业和国内目的的水需求增加，导致了地下水资源减少。在这项研究中，我们通过分析2015和2019之间的哨子 - 1数据，通过新颖的并行化 - 持续散射散离子（P-PSI）技术来探讨由于雷赫的农业领域的地下水过度引起的土地表面变形。检测到的陆地表面变形与附近水井的记录的地下水位相关。该研究以广泛的沉降碗（直径为28.5公里）检测到陆地表面变形，最大沉降率为40毫米/年，碗内的标准偏差不到2毫米/年。检测到的沉降与研究区域内的水位级别下降12米。具有最高变形速率的持续散射率与地下水位的凹陷锥形是空间的。这些调查结果为了解地区地下水制度提供了有用的见解，并在评估区域灾害和驾驶减缓措施方面对管理不受控制的地下水过度的可持续管理的驾驶缓解措施具有重要作用。

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  • 来源
    《Science of the total environment》 |2021年第1期|145946.1-145946.11|共11页
  • 作者

    Muhagir El Kamali; Ioannis Papoutsis; Constantinos Loupasakis; Abdelgadir Abuelgasim; Khalid Omari; Charalampos Kontoes;

  • 作者单位

    National Water and Energy Center Department of Geography & Urban Sustainability United Arab Emirates University Al Ain Abu Dhabi 15551 United Arab Emirates;

    Institute for Astronomy Astrophysics Space Applications & Remote Sensing National Observatory of Athens Vas Pavlou & l. Metaxa GR-15 236 Penteli Greece;

    The National Technical University of Athens School of Mining & Metallurgical Engineering Department of Engineering Geology & Hydrogeology Zographou campus 157 80 Athens Greece;

    National Water and Energy Center Department of Geography & Urban Sustainability United Arab Emirates University Al Ain Abu Dhabi 15551 United Arab Emirates;

    Canada Center for Mapping and Earth Observation Natural Resources Canada 560 Rochester St Ottawa ON K1S 5K2 Canada;

    Institute for Astronomy Astrophysics Space Applications & Remote Sensing National Observatory of Athens Vas Pavlou & l. Metaxa GR-15 236 Penteli Greece;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Remah; P-PSI; Land subsidence; Arid/semi-arid;

    机译：屑;p-psi;土地沉降;干旱/半干旱;

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