本研究针对小岛屿国家物质存量(MSA)数据匮乏与管理挑战，利用地理信息系统(GIS)与激光雷达(LiDAR)技术，首次构建了格林纳达道路材料存量模型并评估海平面上升(SLR)风险，开发了集成3D城市模型的WebGIS平台，为资源可持续管理提供精准空间决策支持。 在全球气候 ...

Mapping and geomapping giant Esri acquired nFrames, a photogrammetry software company based in Stuttgart, Germany, that automates the process of creating 3D maps from photos and LiDAR data. Terms of ...

准确识别微雨水收集（RWH）站点需高质量地形数据。本文通过AHP多准则决策模型，比较CartoDEM（30米）与LiDAR DEM（1-30米）在印度哈里亚纳邦的研究区表现，验证116个实地标定站点。结果显示，1米LiDAR DEM的总体精度（OA=0.87）显著优于CartoDEM（OA=0.62），尤其在森林 ...

No audio available for this content. For most GIS professionals, Esri’s new ArcGIS Earth will replace the soon-to-be-discontinued Google Earth Enterprise. I take a tour through the new software, which ...

Digital Elevation Models (DEMs) have long supported hydrologic analysis by enabling automated identification of watershed and drainage boundaries. Traditionally, these methods have been applied to ...