Why is Hydrography important? As we talked about in the previous post, the data is used for nautical safety, creating detailed maps of the ocean floor, setting aside areas are likely abundant undersea wildlife as conservation areas, looking at the sea floor to determine if areas are good for wind turbine placement, and most importantly to the residents off the Pacific coast, locating fault lines - especially subduction zones which can generate the largest earthquakes and cause dangerous tsunamis. There is a stunning amount of sea floor that remains unmapped, as well as seafloor that has not been mapped following a major geological event like an earthquake of underwater volcano. (Remember navigation from the last post?) But what “drives” where the ship goes is Hydrographic survey mission. Navigation is how Fairweather knows its position and how the crew plans and follows a safe route.
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