Reveal Hidden Dangers to Passing Ships
Palmer Station Survey
Keith von der Heydt prepares for another survey. The Lawrence Gould is at right.
Using inflatable boats, a portable depth sounder with GPS, and a REMUS autonomous underwater vehicle, a team of scientists and engineers has created the first detailed, comprehensive chart of the ocean floor around Palmer Station in Antarctica, revealing previously unknown submerged rocks.
The new chart, the first in 50 years, was made by a research team from the Woods Hole Oceanographic Institution (WHOI) and the University of Southern Mississippi over five weeks in April and early May as they looked for sites for a new underwater observatory. Their findings revealed a number of previously unmapped submerged rocks, among them a set of sharp rocky pinnacles that are potential navigational hazards. Some rise nearly 100 meters (about 330 feet) to a depth of six meters (about 20 feet) below the surface and near to the routes generally taken by ships through the area.
Shelley Dawicki | EurekAlert!
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