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AUV NEWS: Scientists Find Sign of 14000-Year-Old Settlement in Canada?

Posted on 09.10.2014 - 07:15 EDT in AUV NEWS by ginamc

University of Victoria (UVic) University of Victoria (UVic) mechanical engineer Alison Proctor and her department’s 3.5-metre long, Bluefin Robotics AUV, and supported by a Parks Canada research vessel and crew, may have made one of the oldest archeological finds in Canada.

Dr. Quentin Mackie and Alison Proctor just returned this month from a 10-day research trip to Gwaii Haanas National Park Reserve, at the southern end of the Haida Gwaii archipelago, a marine and terrestrial protected area managed cooperatively by the Government of Canada and the Haida Nation, and the site of most of Mackie’s life’s work.

The University of Victoria’s Bluefin-12S AUV is being off-loaded from the Parks Canada vessel Gwaii Haanas II at the end of the project.The trip yielded 150 gigabytes of sonar data and what looks like (he’s not calling it evidence yet) images of stone fish weirs, a simple and ancient technology used by peoples all over the world to catch migrating fish in rivers.

If further investigation by a seafloor geologist rules out a natural explanation for this line of boulders 122 metres underwater, their find will also provide further evidence of the human occupation of Haida Gwaii at a time of extreme environmental change.

“It is a very emotional experience,” Mackie said, “to look at these images and think that what we might be looking at is evidence that people were living on this land and catching salmon before there was even a forest here, when it was still a grassland almost 14,000 years ago.”

Mackie will spend this fall and winter poring over scans and hopes to return with Proctor next summer to continue the project.

Proctor is the project’s technical lead and an expert in the use of AUVs in underwater archeology. She used  the faculty of engineering’s AUV in 2012 in the search for the Franklin shipwrecks.

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