Earth Sciences82
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Reflections of a Changing North
No one ever leaves the field the same way they entered it. Yes there is a new layer of mud on equipment, the expected wear and tear on your gear and your physical being. But also, an intangible shift in perspective.
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Beneath an Icelandic Glacier, Another Eruption Brewing
The 2,000-meter tall Bárðarbunga volcano in Iceland is at risk of eruption, an event that could send a cloud of ash and steam high into the atmosphere and cause extensive disruptions in air travel, among other effects, according to media reports. Earth Institute scientist Ben Orlove looks into it on the Glacier Hub blog.
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Bottom Feeders
Graduate students, microbe goo … What is it that links the two? It seems that both life forms are found Where electron donors (food) abound!
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Seismic Stomp
Lamont-Doherty Earth Observatory graduate student Natalie Accardo recently returned from Tanzania and Malawi, where she installed seismic instruments in both countries alongside Lamont seismologists Donna Shillington and Jim Gaherty. Natalie produced this video, which shows the scientists and their Tanzanian colleagues conducting a “stomp test” at one of their sites in the Tanzanian village of…
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The Long Life of Death Valley
Geologist Nicholas Christie-Blick has studied the Death Valley region for more than four decades. Each spring, he leads a group of Columbia University undergraduates there on a fieldtrip. Check out highlights from this year’s trip.
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Deep Sea Plough
Giant fleets the oceans trawl, Gasping fish they skywards haul. Not just critters do they move, But sediments they push and groove …
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Solving the Mysteries of Carbon Dioxide
About 50 percent of the CO2 produced by human activity remains in the atmosphere, warming the planet. But scientists don’t know where and how oceans and plants have absorbed the rest of the manmade CO2. To try to answer these questions, on July 2, 2014, NASA launched the $468 million Orbiting Carbon Observatory-2 (OCO-2), its…
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Investigating Water Quality and Arsenic in Bangladesh
Postcard from the Field: Lamont-Doherty Earth Observatory graduate student Rajib Mozumder, who works with Lamont scientists Lex van Geen and Ben Bostick, has spent part of his summer drilling water wells and collecting samples in Bangladesh.
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A ‘Bumper-Car’ Ride in the Ice Mélange
Today’s plan is to extend the sampling to include a wider region of the water exchange between Alison (Nanatakavsaup), the surrounding ocean and the connection to Hayes glacier. At the Village Meeting we had queried the local fisherman about the iceberg exit pathways for both Alison and Hayes to confirm or correct information we have…
Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
