seafloor
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My Trip to the Bottom of the Sea
What’s it like to travel to the bottom of the sea? Lamont graduate student Bridgit Boulahanis describes the bioluminescence and colorful sea life as she explores a seamount by mini submarine in the Pacific Ocean.
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Exploring Obama’s Seafloor Canyons by Mini Submarine
Only a few people have ever explored deep inside the seafloor canyons that President Obama just designated a national marine monument. Bill Ryan is one of them. In this podcast he describes what his team saw and learned.
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Shipboard Science: It’s All About Collaboration This Week
Early-career scientists aboard the UNOLS training cruise are getting to try new techniques and technologies, and collaborations are springing up everywhere.
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The Magic of Exploring Under the Sea
It’s midnight on the ship, and the labs are filled with scientists busy examining samples. Two of them just got back from a trip to the seafloor, and the excitement is palpable.
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Life Aboard a Research Cruise: 24-Hour Workdays, Amazing Discoveries
When scientists say “research cruise,” they aren’t talking about sunny afternoons of shuffleboard and margaritas on deck. Life aboard a research vessel means tight spaces, few amenities, and long workdays.
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Roving the Abyss: It Takes a Team
Bridgit’s first mission with the autonomous underwater vehicle (AUV) Sentry was a rousing success, including locating a patch of seafloor where methane is bubbling up.
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When Doing Science at Sea, Prepare to Adapt
Bridgit’s research training cruise started with a fundamental lesson of ocean science: Science at sea requires constant adaptation. Morning fog meant rewriting dive plans and reconsidering priorities.
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Going Deep for Science
Bridgit Boulahanis, a marine geophysics graduate student at Lamont-Doherty Earth Observatory, prepares to head out on her first research cruise exploring the seafloor with underwater vehicles.
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Climate Change Leaves Its Mark on the Sea Floor? Maybe Not
A new study in Science questions the provocative idea that climate change may shape the texture of the sea floor. A Snickers bar helps explain what’s really going on.
AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
