Each day's dives are carefully planned in advance. Once the Zodiac is in position near the wreck, one or more underwater archaeologists dive according to the day's plan.
For Mission Erebus and Terror 2015, the first job was to carefully clean the kelp from the wreck. In this photo, Parks Canada underwater archaeologist Charles Dagneau removes kelp from around a circular glass illuminator on the upper deck. Illuminators are like small windows that direct light to the interior of the ship.
The divers set up reference points and lines to allow precise measurements to be taken. In this photo, the diver is positioning reference lines in the debris field near the wreck.
"We started setting up the datum tags today. We are putting these tags at strategic points on the upper deck. They will serve as our reference points on which everything is based. Every time we recover an artifact, we have to record and document its exact position. To do this, the most basic way is to measure the location of the objects from known points on the hull." -- Marc-André Bernier, Manager, Underwater Archaeology Team
Parks Canada Senior Underwater Archaeologist Filippo Ronca carefully collects a wood species sample from a detached section of decking in the debris field.
With bright lights illuminating the wreck, this underwater archaeologist uses a camera to document the wreck's features and artifacts and their positions on the overall site plan.
This underwater archaeologist positions a small camera in an opening in the deck to capture images of the wreck's interior. With each dive, the team contributes to the mission’s overall objective of documenting the wreck in order to better understand the shipwreck itself and the debris field around it. The team is extremely pleased with the progress they have made so far: they dove every day for 11 days, logging a total of 100 individual dives and 109 hours underwater!