In this paper, an example is given on using modern historicchart for port and waterway engineering.
介绍了近代历史海图在港口航道工程中应用的一个实例。
2
They have been used and verified in the compilation of modern historicchart atlas of Zhejiang sea area and should have a referential value for other sea areas of China.
The transformation on mathematical basis of modern historicchart, the correction of the horizontal coordinate and depth data on the charts for the waters off Zhejiang coast are elaborated.