The deep ocean off Alaska’s Aleutian Islands is one of the least mapped places in the U.S., partly due to its remoteness. “It’s so exciting to go down there and see that it’s actually teeming with life,” said expedition coordinator Shannon Hoy.
In this photo provided by NOAA Ocean Exploration, a lone sunstar rests among many brittle stars taken from the Okeanos Explorer off the coast of Alaska on July 24, 2023, while exploring the mounds and craters of the sea floor along the Aleutian Islands.
“It’s so exciting to go down there and see that it’s actually teeming with life,” said expedition coordinator Shannon Hoy. “You would never know that unless we were able to go down there and explore.” Using a variety of sonars and two remotely operated vehicles — Deep Discoverer and Serios — researchers aboard the ship are mapping and collecting samples from areas along the Aleutian Trench and Gulf of Alaska. High-resolution cameras that can operate at depths of up to 19,685 feet allow researchers to document and immediately share their findings. The ship can alsoMany factors, such as depth, speed and sonar capability, influence how much sea floor can be mapped.
In this photo provided by NOAA Ocean Exploration, a sunstar eats an unknown prey taken from the Okeanos Explorer off the coast of Alaska on July 24, 2023, while exploring the mounds and craters of the sea floor along the Aleutian Islands. “It’s really hard to care for things you don’t understand, to love things you don’t understand,” Cantwell said.
The remotely operated dive vehicle Deep Discoverer is visible aboard the NOAA Okeanos Explorer, Friday, June 23, 2023, in Kodiak, Alaska.
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