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地质论评  2001 

遥感、GIS结合与区域天然滑坡调查

Keywords: 遥感GIS环境因子BP神经网络区域滑坡识别地理信息系统地貌侵蚀坡度

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Abstract:

以香港大屿山岛中部为试验研究区,探讨了遥感与GIS结合在区域滑坡调查中应用的可能性。在详细分析滑坡与环境因子关系后,将岩土类型、地貌、侵蚀、坡度等环境因子引入到影像中,与影像组成多源复合图像,可使地物的空间属性信息得到补充。同时采用适合高维复合数据的BP神经元网络对研究区天然滑坡进行识别,结果表明,区域滑坡的识别能力有较大提高。该方法的应用,将为大区域滑坡调查与监测奠定基础。

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