土地重度污染区域测绘及实景三维建模技术研究  

Research on Surveying and Realistic 3D Modeling Technology for Areas with Severe Land Pollution

作　　者：杨黎黎 杨佳林 Yang Lili;Yang Jialin(Qinghai Zhenghe Engineering Management Co.,Ltd.,Xining 810000,China;Qinghai Nonferrous First Geological Exploration Institute,Xining 810000,China)

机构地区：[1]青海正和工程管理有限责任公司,青海西宁810000 [2]青海省有色第一地质勘查院,青海西宁810000

出　　处：《环境科学与管理》2025年第3期172-177,共6页Environmental Science and Management

摘　　要：重度污染区域不仅破坏了土壤生态平衡,更对人类的健康构成了严重威胁。为实现有效治理,研究测绘及实景三维建模技术是十分必要的。以某重度金属污染区为例,以无人机为载体,搭载高光谱遥感设备,采集测绘数据,结合反演模型和GIS插值方法,揭示污染空间分布特征,完成测绘。基于遥感影像和点云数据,将点云数据转化为连续的三维表面模型并将遥感影像作为纹理数据,映射到模型上,完成实景三维建模。结果表明,As与Cu污染主要集中在西北和西南地区,而Cd主要集中在北部地区。实景图纹理细腻,光照合理,呈现出高度真实感。Severely polluted areas not only disrupt soil ecological balance,but also pose a serious threat to human health.To achieve effective governance,it is necessary to study surveying and mapping and real-time 3D modeling techniques.Taking a heavy metal pollution area as an example,hyperspectral remote sensing equipment,surveying and mapping data were collected using drones as carriers.Combined with inversion models and GIS interpolation methods,the spatial distribution characteristics of pollution were revealed to complete the surveying and mapping.Based on remote sensing images and point cloud data,convert the point cloud data into a continuous 3D surface model and map the remote sensing images as texture data onto the model to complete the realistic 3D modeling.The results indicate that As and Cu pollution is mainly concentrated in the northwest and southwest regions,while Cd is mainly concentrated in the northern regions.The texture of the real-life image is delicate,with reasonable lighting,presenting a high degree of realism.

关 键 词：土地重度污染区域 测绘 高光谱数据 空间分布特征 实景三维建模 

分 类 号：X53[环境科学与工程—环境工程]