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Remote Sensing Revealed Geomorphic Anomalies and Recent Earth Movements in Cauvery Delta, Tamil Nadu, India
Journal of the Indian Society of Remote Sensing ( IF 2.5 ) Pub Date : 2020-10-15 , DOI: 10.1007/s12524-020-01199-0
S. M. Ramasamy , J. Saravanavel

It has been convincingly demonstrated from all over the world that the recent earth movements have greater control over various natural disaster vulnerabilities like seismicity, landslides, floods and the accelerated vulnerabilities to flooding, storm surges, tsunami, sea level rise and erosion along the coasts. But, despite the recurrence of these disasters in the Indian Peninsula, not much of importance was given in the study of the earth movements in general and along the coastal/deltaic regions in particular. However, after the advent of modern satellite-based remote sensing technology, sporadic studies were carried out, which indicated the vulnerability of the Sothern part of the Indian Peninsula too, to recent earth movements. However, no comprehensive information is available on the coastal/deltaic areas, which are more prone to such tectonically induced disaster vulnerabilities. In this context, the scanning of the global literature shows that geomorphology has been used as one of the important tools in mapping the zones of active tectonics/recent earth movements. So, considering the significance of the Cauvery delta of south India on the natural resources, natural disaster vulnerabilities and the towering maritime history, the present study was carried out to bring out a comprehensive picture on the recent earth movements of Cauvery delta and its significance, integrating the faults and the hierarchy of fluvial /drainage anomalies interpreted from different satellite datasets.

中文翻译:

遥感揭示了印度泰米尔纳德邦 Cauvery Delta 的地貌异常和最近的地球运动

世界各地已经令人信服地证明,最近的地球运动可以更好地控制各种自然灾害的脆弱性,如地震活动、山体滑坡、洪水以及对洪水、风暴潮、海啸、海平面上升和沿海侵蚀的加速脆弱性。但是,尽管这些灾难在印度半岛反复发生,但对地球运动的总体研究,特别是沿海/三角洲地区的研究,并未给予太多重视。然而,在现代卫星遥感技术出现后,进行了零星的研究,这表明印度半岛的南部也很容易受到最近地球运动的影响。然而,没有关于沿海/三角洲地区的全面信息,更容易出现这种由构造引起的灾害脆弱性。在此背景下,对全球文献的扫描表明,地貌学已被用作绘制活动构造带/最近地球运动区域的重要工具之一。因此,考虑到印度南部高韦里三角洲对自然资源、自然灾害脆弱性和高耸的海洋历史的重要性,本研究旨在全面了解高韦里三角洲最近的地球运动及其意义,整合从不同卫星数据集解释的断层和河流/排水异常的层次。对全球文献的扫描表明,地貌学已被用作绘制活动构造带/最近地球运动区域的重要工具之一。因此,考虑到印度南部高韦里三角洲对自然资源、自然灾害脆弱性和高耸的海洋历史的重要性,本研究旨在全面了解高韦里三角洲最近的地球运动及其意义,整合从不同卫星数据集解释的断层和河流/排水异常的层次。对全球文献的扫描表明,地貌学已被用作绘制活动构造带/最近地球运动区域的重要工具之一。因此,考虑到印度南部高韦里三角洲对自然资源、自然灾害脆弱性和高耸的海洋历史的重要性,本研究旨在全面了解高韦里三角洲最近的地球运动及其意义,整合从不同卫星数据集解释的断层和河流/排水异常的层次。
更新日期:2020-10-15
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