1. 中国地质科学院地质力学研究所
2. 自然资源部丘陵山地地质灾害防治重点实验室
3. 福建省地质灾害重点实验室
4. 中国地质大学(北京)地球科学与资源学院
5. 自然资源部陕西宝鸡地质灾害野外科学观测研究站
6. 中国地质科学院
纸质出版:2026
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亓莉宁, 郭朝旭, 孟华君, 等. 基于机器学习的高植被覆盖区降雨滑坡识别[J]. 地质科技通报, 2026,45(1):185-198.
亓莉宁, 郭朝旭, 孟华君, et al. 基于机器学习的高植被覆盖区降雨滑坡识别[J]. Bulletin of Geological Science and Technology, 2026, 45(1): 185-198.
亓莉宁, 郭朝旭, 孟华君, 等. 基于机器学习的高植被覆盖区降雨滑坡识别[J]. 地质科技通报, 2026,45(1):185-198. DOI: 10.19509/j.cnki.dzkq.tb20240298.
亓莉宁, 郭朝旭, 孟华君, et al. 基于机器学习的高植被覆盖区降雨滑坡识别[J]. Bulletin of Geological Science and Technology, 2026, 45(1): 185-198. DOI: 10.19509/j.cnki.dzkq.tb20240298.
近年来,受全球气候变暖影响,我国东南沿海省份频繁遭受超强台风暴雨和梅雨侵袭,诱发了大量群发性浅层滑坡灾害,严重威胁当地人民群众的生命和财产安全。为第一时间获取较准确灾害信息支撑应急救灾科学决策,针对高植被覆盖区强降雨诱发花岗岩强风化层形成的群发性浅层滑坡,采用机器学习方法提出了一种基于决策树轻量级梯度提升机(light gradient boosting machine,简称LightGBM)算法的浅层滑坡自动识别模型,并利用福建省武平县高精度航拍影像和数字正射影像(DOM)数据选取坡度、高程、平面曲率(SOA)、剖面曲率(SOS)和R、G、B三波段等特征参数搭建识别模型进行训练和测试。结果表明:(1)多特征组合模型的滑坡识别准确率优于单特征模型;(2)由坡度、高程、平面曲率、剖面曲率和R、G、B三波段组成的快速识别模型能准确识别已发育滑坡体,准确率(Accuracy)和召回率(Recall)值均大于0.99;(3)去除可视化图层后,采用该模型开展高植被覆盖区滑坡早期识别时准确率(Accuracy)和召回率(Recall)值仍达0.86;推广至武平县全县范围时,准确率(Accuracy)达0.80,表明识别准确度较高;(4)识别模型总体得分(F1score)高达0.86,推广至武平县全县范围时,F1score高达0.84,表明该模型泛化能力较强,能够较准确对相似地质环境孕育的滑坡灾害实现自动识别。研究成果为高植被区降雨型滑坡灾害早期识别提供了一种新的思路,可为海西台风暴雨型滑坡地质灾害风险防控和救灾决策提供依据和科技支撑。
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