广州陆海统一测绘基准研究与深度基准面计算  

Research on the Datum of Guangzhou Land-Sea Unified Surveying and Mapping and Calculation of Depth Datum

作　　者：李爽 余锐[1,2] LI Shuang;YU Rui(Guangzhou Urban Planning&Design Survey Research Institute,Guangzhou 510060,China;Guangdong Enterprise Key Laboratory for Urban Sensing,Monitoring and Early Warning,Guangzhou 510060,China)

机构地区：[1]广州市城市规划勘测设计研究院,广东广州510060 [2]广东省城市感知与监测预警企业重点实验室,广东广州510060

出　　处：《测绘与空间地理信息》2024年第6期55-57,61,共4页Geomatics & Spatial Information Technology

基　　金：广东省城市感知与监测预警企业重点实验室基金项目(2020B121202019);广州市城市规划勘测设计研究院科技基金项目(RDI220190201002)资助。

摘　　要：为建立广州市陆海统一测绘基准做基础,本文主要结合国内外现有建立陆海统一测绘基准方法和关键,介绍广州市建立陆海统一测绘基准的技术思路,并选取珠江入海口处为试验区域,展开建立陆海统一测绘基准的关键步骤——深度基准面的计算。实验结果表明:珠江入海口处位置越近的验潮站的深度基准面越接近,同时,深度基准面在距离内陆的位置由远及近发生变化,验潮站位置越靠近内陆,深度基准面越高。以此得出结论:珠江入海口处的深度基准面计算结果可靠,可以此为基础进行广州市陆海统一测绘基准的建立研究。In order to establish a land-sea unified surveying and mapping datum in Guangzhou,this paper mainly combines the existing domestic and foreign methods and keys to establish aland-sea unified surveying and mapping datum,and introduces the technical ideas of establishing the land-sea unified surveying and mapping datum in Guangzhou,and selects the estuary of the Pearl River as the test area to carry out the calculation of the depth datum,the key step of establishing the land-sea unified surveying and mapping datum.The experimental results show that the closer the tidal station at the the Pearl River estuary is,the closer the depth datum is.At the same time,the depth datum changes from far to near the inland.The closer the tidal station is to the inland,the higher the depth datum is.It is concluded that the calculation results of the depth datum at the estuary of the Pearl River are reliable,which can be used as a basis for the establishment of a land-sea unified surveying and mapping datum in Guangzhou.

关 键 词：陆海统一测绘基准 深度基准面 珠江入海口 

分 类 号：P208[天文地球—地图制图学与地理信息工程]