誓让裸露山体披绿装

正说到生活环境的变化,家住焦作市中站区周窑村的李有根深有感触:"咱们村的变化太大了!最明显的就是我不再怕刮风了,因为我家附近私挖乱采造成的裸露山体穿上了绿衣裳。"裸露山体没有绿化前,李有根经常会遇到这样的烦恼事儿:一阵风吹来,裸露山体的泥灰被扬起,落得一身灰不说,鼻子嘴巴里也全是土,院子里晾晒的衣服也遭了殃。"龙翔辖区各类矿藏丰富,赤铁、硫铁、石灰石、铝     

Landslide Susceptibility Mapping along Bhalubang–Shiwapur Area of Mid-Western Nepal Using Frequency Ratio and Conditional Probability Models

Roads constructed in fragile Siwaliks are prone to large number of instabilities. Bhalubang–Shiwapur section of Mahendra Highway lying in Western Nepal is one of them. To understand the landslide causative factor and to predict future occurrence of the landslides, landslide susceptibility mapping(LSM) of this region was carried out using frequency ratio(FR) and weights-of-evidence(W of E) models. These models are easy to apply and give good results. For this, landslide inventory map of the area was prepared based on the aerial photo interpretation, from previously published/unpublished reposts, and detailed field survey using GPS. About 332 landslides were identified and mapped, among which 226(70%) were randomly selected for model training and the remaining 106(30%) were used for validation purpose. A spatial database was constructed from topographic, geological, and land cover maps. The reclassified maps based on the weight values of frequency ratio and weights-of-evidence were applied to get final susceptibility maps. The resultant landslide susceptibility maps were verified andcompared with the training data, as well as with the validation data. From the analysis, it is seen that both the models were equally capable of predicting landslide susceptibility of the region(W of E model(success rate = 83.39%, prediction rate = 79.59%); FR model(success rate = 83.31%, prediction rate = 78.58%)). In addition, it was observed that the distance from highway and lithology, followed by distance from drainage, slope curvature, and slope gradient played major role in the formation of landsides. The landslide susceptibility maps thus produced can serve as basic tools for planners and engineers to carry out further development works in this landslide prone area.     

砻铺村整体搬迁安置的实践与思考

云和县崇头镇砻铺村是浙江省A类地质灾害隐患点。全村5个村民小组,210户,710人,居住在离县城17公里,云和至大湾乡级公路边的半山坡。历史上这里曾多次发生山体滑坡、泥石流,使该村大面积房屋、农田被毁,人员伤亡,损失惨重。据《云和县志记载》：＂咸丰四年七月,三都砻铺庄山崩,坏民田数十亩＂。最近一次是1990年发生的山洪暴发,导致该村8人死亡30多人受伤的悲剧。之后,     

泰山云步桥景区崩塌灾害特征及防治

以实际调查、监测资料为依据,在分析云步桥景区崩塌地质灾害特征的基础上,提出了崩塌灾害治理方案,并依据治理方案对可能继续发生崩塌的悬空区进行了治理。治理方案针对地质灾害的具体情况,采用了国内先进的综合方法,实施成本较低,方法实用,效果良好。     

莱芜市石棚损毁山体恢复治理方案探讨

矿山生态地质环境恢复治理是生态文明建设的环境基础。该文在介绍莱芜市石棚地区的地质、水文特征的基础上,对损毁山体的地质环境现状和存在危害进行了分析,提出了矿山生态地质环境恢复治理的生态、工程措施,实现了生态、社会、经济三大效益的协调发展。     

基于SBAS-InSAR的山体滑坡形变监测分析

本文以2019年3月15日发生于山西省临汾市乡宁县枣岭乡的山体滑坡为研究对象,采用滑坡前后2018年7月5日至2019年6月30日(共30景)Sentinel-1A的SAR影像数据,利用SBAS-InSAR技术对滑坡形变进行监测,发现研究区形变速率为-52.03～33.77 mm/a,整体环境较为稳定;研究了长时序黄土塬的形变速率和累积形变量,并结合相关地质资料分析滑坡成因;采用标准差椭圆算法分析了滑坡所在的黄土塬地区地表形变的时空演变特征,结果表明标准差椭圆的重心向西北偏移,椭圆面积小幅减小,西北-东南方向形变加剧,东北-西南方向变形发展则相对缓和,方位角逆时针旋转,偏移约17.03°。     

移动GIS技术在山体资源巡查管理体系中的应用

为全面动态掌握山体状况、资源现状、生态环境现状和治理情况,开展了山体资源巡查管理信息化建设工作。通过调研山体资源巡查管理的业务需求和探讨山体资源全流程巡查管理体系,本文提出了构建基于移动GIS的山体资源巡查管理系统方案,设计了系统的总体框架设计、数据库设计、功能设计以及实现的关键技术,并完成系统开发。系统的应用大大改善了山体资源巡查管理的现状,提高了巡查管理效率,规范了山体资源管理工作。     

点云辅助GB-InSAR影像与地形数据应急变形监测方法

将采用地面三维激光扫描(terrestrial laser scanning, TLS)、地基合成孔径雷达干涉测量(ground-based interferometric synthetic aperture radar, GB-InSAR)和无人机航空摄影测量（unmanned aerial vehicle photography, UAV）的综合遥感方案应用于崩塌体应急监测。引入迭代最近点法（iterative closest point, ICP）,首先实现TLS点云和UAV影像离散点云配准;然后,利用几何映射方法实现GB-InSAR二维形变图与TLS点云三维匹配;针对崩塌体应急缺少人工目标辅助校正几何映射偏差的问题,综合目视解译以及峰值相关性分析提取各数据间的同名特征点,根据同名特征点计算空间坐标变换参数,建立变换方程来完成误匹配纠正。利用所提的匹配方法处理模拟数据及某滑坡崩塌残余体实际监测数据,结果表明实测匹配精度达像素级,满足应急监测需求。     

《崩滑地质灾害稳定性评价方法研究》

正内容简介本书是崩塌、滑坡地质灾害稳定性评价新方法研究,全书共分两篇十四章,系统阐述了边坡(滑坡)稳定性评价极限分析法和不稳定岩体(崩塌)稳定性评价计算方法。主要内容包括极限分析上限法原理、土质和岩质边坡稳定性评价极限分析上限解;崩塌地质力学分类、崩塌灾害机理及稳定     

日照市西赵村崩塌地质灾害评估及治理方法

目前,日照市因废弃矿山引发的地质灾害主要表现在崩塌、滑坡等方面,对废弃矿山进行地质灾害预测并根据实际情况制定治理方案,不但能有效避免因地质灾害造成的损失,又能绿化生态环境,消除视觉污染。通过对日照市岚山区巨峰镇西赵村崩塌体的基本特征及现状进行影响评估,并就西赵村崩塌地质灾害的治理方案进行了初步分析探讨,为日照市因废弃矿山普遍引发崩塌地质灾害的防治提供了理论基础资料。