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Monitoring of debris flow in the ocean generated by huge tsunami caused by the 2011 off the Pacific coast of Tohoku earthquake

机译:监测2011年东北太平洋沿岸地震造成的巨大海啸造成的海洋泥石流

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The 2011 off the Pacific coast of Tohoku earthquake (Mw = 9) was one of the most devastating earthquakes in Japanese history. The extremely large and widespread tsunami it generated caused a large amount of debris to flow into the Pacific Ocean. It is important to understand debris flow in the ocean for both environmental research and international relations. In this study, tsunami debris was monitored by satellite remote sensing. As a first step, we propose a method for identifying debris floating on turbid sea areas through thin clouds using two-dimensional scatter diagrams for MODIS spectral bands. Characteristic regions in the images are effectively separated by using the scatter diagram to identify six regions (land, coastal areas, debris, cloud, turbid sea, and clear sea). We report initial results of monitoring debris floating in the Pacific Ocean.
机译:2011年东北太平洋沿岸地震(Mw = 9)是日本历史上最具破坏性的地震之一。它产生的极其巨大和广泛的海啸导致大量碎片流入太平洋。对于环境研究和国际关系而言,了解海洋中的泥石流非常重要。在这项研究中,通过卫星遥感监测了海啸碎片。作为第一步,我们提出了一种使用MODIS光谱带的二维散射图通过薄云识别漂浮在浑浊海域上的碎片的方法。通过使用散点图来识别六个区域(陆地,沿海地区,碎片,云,混浊的海洋和澄澈的海洋),可以有效地分离图像中的特征区域。我们报告了监测漂浮在太平洋上的碎片的初步结果。

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