A research associate uses a Nikonos IV camera, 15mm lens and Speedlight 103 flash to capture top elevation views of one of five mature coral heads. The series of images are pieced together and subsequently used to map an overall site plan. More on P.I.T.
The crown of the anchor is designated as a datum point. Tape measures are then laid out to other such points so that a site plan can easily be mapped using triangulation methods. These underwater archaeology students are taking compass headings and recording datum length.
A student puts her Scientific Diver course skills to practice by hovering above the 18th century Spanish cannon to chart coral growth.
A Florida Keys National Marine Sanctuary Marine Biologist and Reef Damage Assessment Specialist, does a video pass of a coral head. Feather stars and a banded shrimp cleaning station are documented on digital Sony Hi 8 tape.
An underwater archaeology student identifies, counts and measures the Golfball and Lesser Starlet corals. The position of the cannon's trunion indicates that the cannon has turned over and is now laying on a bed of ballast stones.
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