DGPS测深技术在海底管道工程中的应用

摘要

The basic positioning principle of Differential Global Position System (DGPS) and the hardware components of DGPS sounding system are presented. This sounding technique has been applied in the submarine pipeline project in the Meizhou Bay of Fujian, leading to a great improvement in measuring accuracy and working efficiency. This practice has indicated that the DGPS sounding technique will be gradually adopted in the submarine pipeline engineering. However, it is a process of progressive and continuous completion and improvement. It is believed that in the future this technique must play a role for the submarine pipeline engineering in the coastal areas of China.%简要介绍了差分全球定位系统（DGPS）的基本定位原理、DGPS测深技术中水深测量系统的硬件组成。重点分析了福建LNG站线湄洲湾海底管道工程成功采用DGPS测深技术进行勘测作业，使测量精度和工程效率得到极大地提高。这一工程实践经验说明，DGPS测深技术逐步为海底管道工程所采用，但其是一个不断探索、不断完善的过程，对今后我国沿海地区的海底管道工程的勘测建设具有一定的借鉴作用。