Deepest submarine dive ever finds plastic waste in Mariana Trench
18 Mai, 2019, 04:28 | Auteur: Therese Cote
A team led by an American explorer found plastic waste on the seafloor at the world's deepest point, the Mariana Trench, which is almost 11 km (seven miles) under the ocean, indicating the seriousness of the plastic-waste problem that is choking the planet's environment. A total of four dives in eight days made it the first submersible to ever visit the bottom of the Challenger Deep a few times, capturing videos and conducting efficiency tests in the process.
An underwater exploration team has dived to the deepest trench in the world, the Challenger Deep in Pacific Ocean Mariana Trench and found marine life a-plenty, but also. trash.
Once he's conquered the mountains and oceans, Vescovo says his next challenge is space.
The expedition has made four dives in the Mariana Trench in the last three weeks to collect biological and rock samples.
"We wanted to prove the capability of the submarine and the whole system by diving there repeatedly and really, hopefully, opening the door for science", Vescovo said. Vescovo and his team dove to the bottom of the Mariana Trench five times as part of Vescovo's "Five Deeps expedition", his attempt to explore the deepest parts of all five oceans.
Challenger Deep was first investigated by oceanographers Don Walsh and Jacques Piccard in 1960, but this will be the first on-camera evidence of what lies at the bottom of the Pacific.
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The previous record was held by "Titanic" director James Cameron in 2012.
The area in the ocean is known as Challenger Deep.
"Our team had to pioneer new camera systems that could be mounted on the submersible, operate at up to 10,000m below sea level and work with robotic landers with camera systems that would allow us to film Victor's submersible on the bottom of the ocean. And now in 2019, the Five Deeps Expedition's submersible Limiting Factor was the third", Walsh said, adding, "And I was there to see it". So far, besides the recent descent into the Mariana Trench, Vescovo has also dived the Puerto Rico Trench in the Atlantic Ocean (8,376m/27,480ft down), the South Sandwich Trench in the Southern Ocean (7,433m/24,388ft) and the Java Trench in the Indian Ocean (7,192m/23,596ft).
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