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无缝深度基准体系构建方法研究

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针对目前华南沿海区域缺乏一套完整的陆海统一连续无缝的深度基准体系,不能满足海洋发展需求等问题,分析了当前无缝深度基准体系构建思路,通过在华南沿海区域构建无缝深度基准面模型,重构海面地形模型、区域平均海面高模型,完成深度基准面大地高模型和正常高模型的构建,实现深度基准向高程基准的转换,并自主开发了无缝深度基准体系应用平台,初步实现华南沿海无缝深度基准体系构建.
Research on the construction method of seamless depth datum system
Aiming at the lack of a comprehensive,continuous,and seamless depth datum system for land and sea in the coastal region of South China,the inability to meet the demands of marine development,this paper analyzed the existing methods employed in constructing a seamless depth datum system.By establishing a seamless depth datum model along the coastal region of South China,we further reconstructed models for sea surface topography and mean sea surface height,completed depth datum model conversion between on geodetic height and normal height system.The conversion of depth datum to height datum has been achieved while also creating an application platform independently.These efforts significant process towards realizing a comprehensive seamless depth datum system for coastal region of South China.

seamless depth datummodel establishmentsystem constructionaccuracy evaluationcoastal region of south china

欧阳莉婷、星睿、杨广武、梁亚朋、李杏鲜

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广东省国土资源测绘院,广东 广州 510500

深度基准 模型构建 体系构建 精度评定 华南沿海

2024

海洋测绘
海军海洋测绘研究所

海洋测绘

CSTPCD北大核心
影响因子:0.669
ISSN:1671-3044
年,卷(期):2024.44(5)