A. Soltanpour - National Cartographic Center, Tehran, Iran,
A. Mojtahedi - National Cartographic Center, Tehran, Iran
S. Parizi - Port and Maritime Organization, Tehran, Iran
Chalan - National Hydrography Committee, Tehran, Iran

More than 71 percent of Earth s surface is covered by water which has the most important role in human life. The importance of the seas in various fields such as nutrition, trade, industry and climate change is undeniable. Human beings throughout history have always been interested to learn from the surrounding water bodies. Sea mapping or hydrography is the first step to determine the sea and helps us to better understand it.