The Story of Water Movement and Land Formation

Focus Questions: What structures has sea level rise, erosion or sedimentation produced? What tools do geologists use?

Research Location: SSV Carolyn Chouest, backup Key Largo

Technique: Sonar images of seafloor to determine the structures and layers of sediments.

Tools: Core samples taken from the NR-1, Remotely Operated Vehicle (ROV), Sonar, echo sounding, still cameras, manipulators for coring, depth finder, video imagining, side-looking sonar, and bottom profiling sonar.

Dr. Robert Ballard
Expedition Leader and Host Researcher: Geology

Commander David A. Olivier
Host Researcher: Marine Engineer

Dana Yoerger
Host Researcher: Navigation-Robotics


Rainbow Line

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Gene Carl Feldman ( (301) 286-9428
Todd Carlo Viola, JASON Foundation for Education (
Revised: 17 Oct 1995