Earth Sciences30
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Completing My Fieldwork and Returning to Dhaka
My last days in the field brought us to monuments in a makeshift home near the ocean, a flooded field next to a school, and adjacent to a jute mill. Most of us now head back to Dhaka, the capital. Céline will stay on a few more days, then Hasnat with Saif and Nahin will…
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Long Days in the Field in Southern Bangladesh
We continued our GPS surveys of monuments to measure land subsidence. While the work general went very well, we faced challenges from obscured or tilted monuments. We also struggled with large traffic delays, particularly at unpredictable ferry crossings.
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Installing GPS Around Barisal, Bangladesh
Getting to remote sites started to prove challenging, and involved many forms of transportation by land and water.
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Evolving Landscape Added Fuel to Gobi Desert’s High-Speed Winds
A new study uncovers a previously undocumented relationship between erosion and wind speed.
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Bushfires in Australia Continue to Devastate New Zealand Glaciers
Smoke and ash from Australia’s devastating fires pose a significant threat to New Zealand’s glaciers.
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Back to Bangladesh: How Fast Is the Delta Sinking?
I am back in Bangladesh once more to investigate the balance between sea level rise, the sinking of the land, and the filling of the space with sediments.
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New Citizen Science Project Asks: Is It Snowing Plastics?
The PlastiX-Snow project will track microplastics that contaminate Earth’s most remote and pristine locations.
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Undersea Volcanism May Help Explain Medieval Year of Darkness
Tropical fossils found in a Greenland ice core hint at volcanic eruptions that threw the world into darkness from 536 to 537 A.D.
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Data Visualization Translates Geyser Eruption Data Into Eerie Music
The project earned grad student Anna Barth a grand prize in the American Geophysical Union’s competition on Data Visualization and Storytelling.
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
