Keeping our marine transportation system moving safely and efficiently through our busy national waterways depends upon hydrography — the science that measures and describes the physical features of bodies of water through a process called surveying. In this episode, hear how and why this work is done from two NOAA experts who talk about ongoing hydrographic survey missions within the Great Lakes.
law of the sea, LOSC, maritime dispute, maritime law, custom of the sea, maritime claims, maritime boundaries, maritime map, maritime chart