The Sultanate of Oman overlooks three water bodies: The Arabian Sea, the Sea of Oman and the Arabian Gulf with a coastal face of more than 3000 km. Due to the recent global climate change, storm intensity has increased and inundation of coastal areas is inevitable. The pattern of coastal flooding depends on the geomorphologic and oceanographic characteristics of the coastal zone. The current research aims to delineate the susceptibility of Omani coast to the sudden sea level rise from cyclones and tsunamis using the coastal vulnerability index (CVI). Five physical parameters were implemented to perform the CVI, namely: The coastal geomorphology, elevation, slope, tidal range and bathymetry of the nearshore zone. Data were extracted from remotely sensed images and government resources assisted by field surveying. Geospatial analysis using geographical information system (GIS) was performed to manipulate and process the CVI from the collected data. Results showed that high vulnerable coastal regions to sea level rise account for 805 km of the coast, mostly along Al-Batinah plain in the north and along some scattered sectors at the eastern coast of the country. Major settlements and infrastructures are located at high CVI category. Moderate vulnerable coasts total 695 km mostly at the headlands along the Arabian Sea, whereas the low vulnerability coasts include the remaining shores along Musandam Peninsula and the eastern coast. This study provides a national map of the coastal vulnerability to the sea level rise, which is important for urban planning and decision supports for a sustainable management of Omani coastal zone.

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评估沿海地区对海平面上升的脆弱性：阿曼苏丹国

阿曼苏丹国俯瞰着三个水体：阿拉伯海，阿曼海和阿拉伯湾，沿海面超过3000公里。由于最近的全球气候变化，风暴强度增加了，沿海地区的洪水不可避免。沿海洪水的模式取决于沿海地区的地貌和海洋学特征。当前的研究旨在使用海岸脆弱性指数（CVI）来描述阿曼海岸对气旋和海啸突然海平面上升的敏感性。实施CVI的五个物理参数为：沿海地貌，海拔，坡度，潮差和近岸带的测深法。数据是从遥感图像和政府资源中通过实地调查提取的。使用地理信息系统（GIS）进行地理空间分析，以从收集的数据中处理和处理CVI。结果表明，高度脆弱的沿海地区因海平面上升而占据了海岸的805公里，其中大部分沿北部的Al-Batinah平原，沿该国东部沿海的一些零星部分。主要的定居点和基础设施位于高CVI类别。中度脆弱的沿海地区总长695公里，主要位于阿拉伯海沿岸的陆岬，而脆弱性较低的沿海地区包括Musandam半岛和东部沿海地区的其余海岸。这项研究提供了沿海易受海平面上升影响的国家地图，这对于阿曼沿海地区的可持续管理的城市规划和决策支持非常重要。