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首页> 外文会议>Annual International Meeting of the American Society of Agricultural and Biological Engineers >Accurate measurement of landslide volume and morphology in Wenchuan earthquake area with 3Dlaser scanner
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Accurate measurement of landslide volume and morphology in Wenchuan earthquake area with 3Dlaser scanner

机译：用3Dlaser扫描仪精确测量汶川地震区的滑坡体积和形态

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The moment magnitude (M) 8.0 earthquake in Wenchuan, Sichuan province, on May 12th, 2008 produced massive landslides made of rock and mud mixture, responsible for serious earthquake-added soil erosion on the impacts of rainfall and runoff. Morphological information of the landslides is needed for estimating the earthquake-added soil erosion. Accurate measurement and calculation of landslide volumes are of great importantances. Typical landslides in Wenchuan County were chosen to estimate their volumes by using 3-D laser scanner of high accuracy. Typical landslides were chosen to measure the relative landslide surface elevation. A method is suggested for the landslide geometry model and for estimating the volume and the morphology of the landslides,based on the measure data. The study established the method and procedures for measuring the volume of landslides with 3-D laser scanner, to supply a sound basis for estimating earthquake-added soil erosion.
机译：2008年5月12日，四川省汶川地震的瞬间（米）8.0地震产生了岩石和泥浆混合物的巨大山体滑坡，负责严重的地震添加土壤侵蚀对降雨和径流的影响。估计地震添加的土壤侵蚀需要山体内的形态学信息。准确的测量和计算滑坡卷具有很大的重要性。汶川县的典型滑坡被选择通过使用高精度的3-D激光扫描仪来估算其卷。选择典型的山体滑坡以测量相对滑坡表面高度。基于测量数据，建议对滑坡几何模型的估计和估计滑坡的体积和形态。该研究建立了测量与3-D激光扫描仪的滑坡体积的方法和程序，为估算地震添加的土壤侵蚀提供声音的基础。

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