ocean floor
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Interactive: The Heezen–Tharp World Ocean Floor Map
Explore Marie Tharp’s groundbreaking 1977 World Ocean Floor map and discover how it transformed our understanding of the Earth.
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Leveraging the Power of Open Source Data To Map the World’s Oceans
In honor of World Oceans Day, marine geophysicist Vicki Ferrini discusses the current state of ocean research, and the important role international collaboration plays in this field.
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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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The Floor of the Ocean Comes into Better Focus
The bottom of the ocean just keeps getting better. Or at least more interesting to look at.
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Mapping Land Claimed by Sea Level Rise
Understanding how coastal areas changed as the ocean rose in the past could help communities protect themselves from storm surge flooding in the future as the oceans warm and sea levels rise.

On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!
