normal load draught

This article analyzed traditional method about the correction of water line in hydrographic surveying and developed a new method about the correction of water line,in particular the dynamic correction of water line,by use of RTKGPS.

对水深测量中传统的吃水改正方法进行分析后,提出了应用PTKGPS[1]进行吃水改正尤其动态吃水改正的方法,此方法可以应用在高精度的水深测量和其它海洋工程建设。