A GIS (geographic information system) is an unconventional tool for ocean exploration. It is neither a physical device nor a submersible technology that comes into direct contact with the water. A GIS cannot take us any deeper into the oceans, but it can take us further in terms of our understanding, because of the way it gathers and analyzes information. Given enough data, a GIS can, in fact, create a
While approximately 20% of the seafloor has been mapped to modern standards, only about 5% of the ocean has actually been explored.