潮汐对多波束测深的影响及改正

Effect and Correction of Tide on Multibeam Bathymetric Sounding

讨论了潮汐对多波束测深的影响;通过分析验潮站控制及潮汐场解算的潮汐改正传统模式的特点,设计了该模式的工作流程;比较了传统改正模式与GPS无验潮模式的不同,研究了无验潮模式及陆海图拼接所涉及的垂直基准转换技术。

This article first discusses the effect of tide on multibeam bathymetric sounding . Secondly analyses the feature of traditional tidal correction mode on multibeam bathymetric sounding based on the control of tide gauge and tidal modeling. Finally, the article compares the difference between the traditional bathymetric sounding tidal correction mode and the mode by GPS without tidal observation, the technique of transformation about vertical datum is researched, which is important to GPS without tidal observation and joining between map and chart.