广西水利水电Issue(4)：35-38,4.
多波束测深系统在水下地形测绘中的应用
Application of multi-beam echo sounder system in underwater topographic surveying and mapping
摘要
Abstract
To accurately obtain the underwater topographic data of the water intake at the Xiaqiao Hydropower Sta-tion in the Longjiang River Valley Irrigation Zone,the T50-P multi-beam echo sounder system was employed for underwater topographic surveying and mapping.To address the limitations of traditional single-beam echo sounding technology such as data gaps between survey lines,insufficient capability for micro-topographic detection,and ter-rain distortion caused by grid interpolation,the multi-beam echo sounder technology achieves full coverage and de-tailed detection of underwater terrain through wide-swath acoustic fan-beam scanning and high-density point cloud acquisition.During the field survey,the multi-beam equipment was mounted on a manned motor vessel,and data were efficiently acquired in the survey area combined with attitude positioning and sound velocity correction.Through comparative checks and verification using single-beam echo sounder mounted on an unmanned vessel at selected sampling points and the use of the WPIS software for statistics and computation,the accuracy met the re-quirements of specifications.The results demonstrate that the multi-beam system can accurately locate the position of the old dam body,clearly reveals the micro-topographic features such as steep slopes and reefs,avoids the risk of terrain distortion caused by single-beam interpolation processing,provides centimeter-level three-dimensional spa-tial data support for the site selection of the water intake,and meets the quality requirements of surveying and map-ping products.关键词
多波束测深系统/单波束测深系统/下桥电站/水下地形测绘/WPIS(水利工程测绘产品质量检验系统)Key words
multi-beam echo sounder system/single-beam echo sounder system/Xiaqiao Hydropower Station/un-derwater topographic surveying and mapping/water conservancy project surveying and mapping product quality in-spection system(WPIS)分类
天文与地球科学引用本文复制引用
韦北海,黄丽娃,王荣志,叶达忠..多波束测深系统在水下地形测绘中的应用[J].广西水利水电,2026,(4):35-38,4.基金项目
桂禹工程咨询公司科研项目(GYKY-2026-008) （GYKY-2026-008）
