Earth Sciences67
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Gearing Up for Our First Cores
As they get to know their ship, the scientists aboard the JOIDES Resolution prepare to drill their first sediment cores along the Natal Valley off the coast of southern Africa.
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On the Surface, Feeling Further Away from the Ocean than Ever
My German colleague and I could conceptualize five kilometers horizontally—the same as her bike ride to work, the same as the first ever race I ran. Neither of us could quite grasp what flipping 5 kilometers 90 degrees might mean, as our pump continued on its 3-hour vertical journey to that depth.
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The Earth Shook, but It Wasn’t an Earthquake
Last Thursday, thousands of people on the Eastern Seaboard felt the earth tremble. Seismologists at Columbia University’s Lamont-Doherty Earth Observatory quickly concluded it was not an earthquake, but a military exercise.
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Setting Off for Two Months at Sea
Sidney Hemming and the scientists aboard the JOIDES Resolution conduct the final preparations for their research cruise off southern Africa and introduce a girls’ school group from Mauritius to science at sea.
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In the Southern Ocean, a Carbon-Dioxide Mystery Comes Clear
Twenty thousand years ago, low concentrations of carbon dioxide in the atmosphere allowed the earth to fall into the grip of an ice age. But despite decades of research, the reasons why levels of the greenhouse gas were so low then have been difficult to piece together. New research, published today in the leading journal…
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A New Global Team Tracks Temperature Change Through Time
A new international consortium of scientists is bringing the history of temperature fluctuations across the entire Northern Hemisphere to life.
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Uncovering the Stories of Southern Africa’s Climate Past
Sidney Hemming is preparing to spend two months at sea studying global ocean circulation and southern Africa’s climate variability over the past 5 million years.
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In Gulf of Mexico, Microbes Thrive Above Natural Oil Seeps
New insight into how plankton and oil interact
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In Isolation, Community
Being aboard a ship is isolating—but for a scientist, it’s not lonely.
You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
