潮位仪与GPS测定水面高程的方法研究及应用

Research and Application of Tide Gauge and GPS for Measuring Water Surface Elevation

海洋中的水下地形测量是海洋工程的基础性项目,其成果的准确性直接影响着海洋的开发和利用。GPS等测绘技术的发展,使得海洋工程中的水下地形测量成果质量、项目效益都得到切实的保证和提高。本文通过潮位仪与GPS测定水面高程的方法研究和应用实例,阐述了两种方法测量水面高程的工作原理和流程,两种方法各自采集数据的分析比较及其相互验证的结果,使得水面高程测量的纠错能力得到提高,有效地控制了影响水底高程成果质量的重要环节,避免了返工重测,降低了项目成本,提高了成果数据的可靠性。

Underwater topographic survey in the ocean is the basic project of ocean engineering and the accuracy of its results has a direct impact on the development and utilization of the ocean.With the development of surveying and mapping technology such as GPS,the quality and benefit of underwater topographic survey in marine engineering can be ensured and improved.In this paper,the method of measuring water surface elevation by tide gauge and GPS is studied and applied as an example,the working principle and workflow of two methods for measuring water surface elevation are described,Analysis and comparison of data collected by two methods,The results of mutual verification,The error correction ability of water elevation measurement is improved,Effective control of important links affecting the quality of underwater elevation results,Avoid rework and measure,Reduce project cost,Improving the reliability of the result data.