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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Uplift of a Coral Island in the Andaman Sea Due to the 2004 Sumatra Earthquake Measured Using Remote Sensing Reflectance of Water
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Uplift of a Coral Island in the Andaman Sea Due to the 2004 Sumatra Earthquake Measured Using Remote Sensing Reflectance of Water

机译：2004年苏门答腊地震造成的安达曼海珊瑚岛隆升，这是通过水的遥感反射测得的

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摘要

The 2004 Sumatra earthquake, together with the tsunami that followed, caused massive destruction in many coastal areas of the Indian Ocean. Uplift and subsidence of land near the epicenter of the earthquake in the Andaman Sea have been reported. In this letter, we report observations of the uplift in high-resolution SPOT-5 satellite images in a coral island near the Andaman Islands. The depth of the submerged reefs was measured using water reflectance models commonly employed in the ocean color research community. The uplift magnitude was estimated by the difference in water depth measured in the pre- and post-earthquake images, taking into account the difference in tide levels. The uplift was found to be 1.6 m with an uncertainty of about 0.3 m. The methodology could be widely used for efficient estimation of shallow water depth of broad areas, particularly over shallow coral reefs.
机译：2004年的苏门答腊地震以及随之而来的海啸在印度洋的许多沿海地区造成了大规模破坏。据报道，安达曼海地震震中附近土地的隆起和沉陷。在这封信中，我们报告了在安达曼群岛附近的一个珊瑚岛中高分辨率SPOT-5卫星图像上抬升的观测结果。使用海洋颜色研究界常用的水反射率模型测量淹没珊瑚的深度。考虑到潮汐水平的差异，通过地震前后图像中测得的水深差异估算了隆升幅度。发现隆起为1.6 m，不确定性约为0.3 m。该方法可广泛用于有效估计广阔区域的浅水深度，特别是在浅珊瑚礁上。

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