NOAA's National Ocean Service

In the U.S., where over half of us live along the coast and more than 78 percent of our overseas trade by volume comes and goes along our marine highways, the health of our coasts is intricately connected to the health of our nation

关键词：Ocean Service, ocean, coast, chart, navigation, NOAA, National Oceanic and Atmospheric Administration, sea, Pacific, Atlantic, Arctic, Antarctic, Southern Ocean, Indian Ocean, beach, oceans, seas, be…