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The NAS Guide to Principles and Practice
Create Alert. Figures and Topics from this paper. References Publications referenced by this paper. Transparency, refraction and ray tracing for computer synthesized images Dana S.
Amanda Bowens (Author of Archaeology Underwater)
The simulation of side scan sonar images using ray tracing techniques. Shipwrecks, such as The Mary Rose, can also be important for archaeology because they can form a variety of accidental time capsule, preserving a collection of human artifacts at the moment in time when the ship was lost. Sometimes it is not the wrecking of the ship that is important, but the fact that we have access to the remains of it, especially where the vessel was of major importance and significance in the history of science and engineering, due to being the first of its type of vessel.
The growth of submarines, for example, can be traced via underwater archaeological research, via the Hunley which was the first submarine to sink an enemy ship, the Resurgam II, the first powered submarine, and Holland 5, which provides insight into the development of submarines in the British Navy. Challenges: Underwater sites are predictably difficult to access, and more dangerous, compared with working on dry land. In order to access the site directly, diving equipment and diving skills are necessary.
The depths that can be accessed by divers, and the duration of time available at depths, are limited. For deep sites away from the reach of divers, submarines or remote sensing equipment are needed. A working platform for underwater archeology requirements to be prepared to provide for the delivery of air for example, recompression and medical facilities, or specialist remote sensing equipment, analysis of archaeological results, support for activities being undertaken in the water, storage of supplies, facilities for conservation for any items recovered from the water, as well as accommodation for workers.
In addition it can be complicated to allow access to the results of the archaeological research as underwater sites do not provide good outreach possibilities or access for the general public. Techniques: Although particular techniques and tools have been developed to address the challenges of working under water, the archaeological goals and process are fundamentally the same as in any other context.
Investigating an underwater site however, is likely to take longer and be more costly than an equivalent terrestrial one. Underwater Archaeology: The NAS Guide to Principles and Practice provides a comprehensive summary of the archaeological process as applied in an underwater context. How was that possible?
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Archaeological Fieldwork Opportunities Bulletin
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