Archeology News: ‘Lost World of Shipwrecks’ amazed ‘Never Seen’ researchers | Science | News
Cooper’s Treasure: A marine archaeologist discovers a shipwreck
Many of the world’s most famous shipwrecks, namely the Titanic, are lost to the depths of the sea. Ships are slowly deteriorating at the hands of metal-eating bacteria, with the famous cruise ship rotting into nothingness at the Atlantic Ocean. Yet shipwrecks in a mysterious location remain eerily preserved for centuries, and in some cases more like millennia.
Scientists often regard part of the Black Sea as a “dead zone”, with an abundance of ships dating back 2,400 years, effectively frozen in time on the seabed.
The lack of oxygen in the icy depths means the riot of creatures that usually feast on sunken ships cannot survive.
In August 2016, a team of explorers sent a robot to the bottom of the Black Sea and were amazed at what they saw.
The robot illuminated the seabed, taking thousands of high-resolution photos, which were then transformed into a detailed portrait.
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Photogrammetric model of a shipwreck from the Ottoman period
Photogrammetric model of an Ottoman wreck covered with an ROV Supporter
What they found was a medieval ship more than half a mile below the surface, untouched for about 800 years.
Rodrigo Pacheco-Ruiz, an expedition member at the Center for Maritime Archeology at the University of Southampton, told The New York Times: “This has never been seen in archaeology.
“We couldn’t believe our eyes.”
Dating back to the 13th or 14th century, the medieval ship shed new light on the sailing ships that conquered the New World.
The remains of an ancient Greek trading ship lying on the bed of the Black Sea.
A ship of this type had never been seen in complete form before.
The after deck – from which the captain would have directed his crew – proved the revolutionary discovery.
Remarkably, it was one of more than 60 ships discovered off the Bulgarian coast.
The ships are thousands of years old and are in such a good state of preservation that intact spools of ropes and rudders can be seen.
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Medieval period shipwreck photogrammetric model
Jon Adams, expedition leader and founding director of the University of Southampton’s Center for Maritime Archeology, said the ships were “amazingly preserved”.
Goods traded on the Black Sea hundreds of years ago include grain, horses, oils, wine, and even people.
Given the condition of the ships, archaeologist Brendan P Foley suggested that the objects inside the hulls might also be intact.
He said, “You might find books, scrolls, written materials.
Five of the most revolutionary archaeological discoveries in the world.
“Who knows how many of these things were transported? But now we have the opportunity to find out. It’s incredible.”
Scientists believe that the “dead zone”, which lies between 150 m and 2,200 m, is due to the unique composition of this part of the Black Sea.
Mr Adams told National Geographic: ‘When the last ice age ended about 12,000 years ago, the Black Sea was really the Black Lake.
As global temperatures rose and sea levels rose, salty water from the Mediterranean began to flow into the rivers that fed into the Black Sea.
Freshwater and saltwater rivers flowing into the Black Sea meant that there were two “levels” of water. The upper, less salty layer is rich in oxygen, but the lower layer has none.
Historical texts help scientists and historians better understand where and when shipwrecks might have come from.
The oldest intact shipwreck, discovered in 2017, dates back to 400 BC.
Others range from the late 800s, when the Byzantine Empire was in full swing, to the Ottoman Empire in the 16th-18th centuries.
By looking at the clay pots the ships carried and the way the masts and rigging were arranged, archaeologists can estimate the origins of the ships.