Higher requirements for the timeliness and effect of high-precision geospatial data acquisition were put forward due to the digital twin water conservancy.Based on the advantages of unmanned aerial vehicle(UAV)integrated remote sensing sensor and the flexibility,high efficiency and low cost of UVA,the problems of efficient acquisition,timely update and beautiful results of high precision geospatial data were discussed in this paper.The development and system composition of UAV remote sensing technology were introduced in detail,and the method flow of obtaining high precision geospatial data flexibly and efficiently by using UAV remote sensing technology was expounded through specific project examples.Finally,the development trend and application prospect of UAV remote sensing technology in water conservancy industry were prospected.It can provide useful reference for the research and practice in the field of water conservancy.
关键词
无人机遥感技术/数字孪生水利/地理空间数据/LiDAR
Key words
UAV remote sensing technology/digital twin water conservancy/geospatial data/LiDAR