The wrecks stand like ghost ships in total darkness on the bottom of the Baltic Sea. They are believed to be over 300 years old.
Three exceptionally well-preserved shipwrecks lie deserted on the bottom of the Baltic Sea.
During an expedition, a team of experts found and filmed the almost intact wooden ships, which are supposed to be over 300 years old.
This is stated by the Sea War Museum Jutland in a press release. In addition to experts from the war museum, specialists from the National Museum also joined the expedition.
However, they were not down at the ships themselves.
Instead, an underwater robot was sent to the wrecks, which lie in total darkness at a depth of approximately 150 metres. Here, the robot has been able to take thousands of recordings and bring them to the surface.
The team could follow it all on a screen on board a ship.
– The wrecks were almost as they were on the day they sank hundreds of years ago. I have been diving all my life and have examined hundreds of wrecks, but I have never seen anything like this.
– The ships stood as if they had just been abandoned, says Gert Normann Andersen, leader of the expedition and director of the Sea War Museum Jutland, in the press release.
According to the museum manager, two of the ships are with great certainty cargo ships from the Netherlands. The third ship, which is the largest of them, is supposed to be Scandinavian.
27 people took part in the expedition, which took place in October and aimed to investigate how wrecks and other things break down under water. It has come to the back of the team how well preserved the shipwrecks are.
– In the North Sea, all wrecks are broken down in record time. All woodwork is eaten by pileworms, and wave movements and heavy fishing gear take care of the rest, says Gert Normann Andersen.
The Baltic Sea, on the other hand, is among the places that are expected to have some of the world’s best-preserved wooden shipwrecks lying on the bottom.
Pole worms and other animals that attack woodwork cannot survive in the water at great depths, where the bottom environment is acidic and low in oxygen.
There has therefore also been no industrial fishing in the area, which could destroy the wrecks.
A piece from one of the wrecks, lying loose on the bottom, was hoisted up. It has been sent to the National Museum’s conservation department in Brede, where it will be examined in more detail and show what processes take place when bacteria and organisms break down materials at great ocean depths.
According to the war museum, that knowledge can be important when, in the future, it is necessary to assess whether a wreck should be preserved at the site where it was found, or whether some of the objects should be salvaged.
Source: Kristeligt Dagblad – Latest articles. by www.kristeligt-dagblad.dk.
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