Application of topographic survey of island (reef) based on multi-beam sounding system

doi:10.13474/j.cnki.11-2246.2024.1116

Abstract

Abstract: With the deepening of marine comprehensive survey, islands (reefs) as an important element of the ocean, its complete surface and underwater terrain data is the basis of understanding and planning islands and reefs. The multi-beam sounding system combined with 3D laser is used to obtain the integrated topographic data of islands and reefs above and below water. The experiment is carried out in combination with a typical island in eastern Shandong province, focusing on the application of the multi-beam sounding system in the topographic data acquisition of islands and reefs, the accuracy assessment is carried out, and the data results are displayed. The results of the study area show that the ship-borne measurement system combined with the unmanned ship measurement system can obtain the land and water interface area of the reef completely at one time by using the high-low tidal range, and the data is complete and high precision. The full coverage data results can truly reflect the topography of islands and reefs and their surrounding areas, which provide the data support for planning and construction and ecological monitoring.

Key words: island (reef) topographic survey, multi-beam sounding system, accuracy evaluation, shipborne measurement system, unmanned ship measurement system

CLC Number:

P258

SUN Dong, DING Shijun, LI Xiaohong, LIU Yuan, LIU Haibin. Application of topographic survey of island (reef) based on multi-beam sounding system[J]. Bulletin of Surveying and Mapping, 2024, 0(11): 90-96.

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