Lamont-Doherty Earth Observatory
@lamont.columbia.edu
Building fundamental knowledge about the origin, evolution, and future of our planet since 1949 (lamont.columbia.edu).
Melting of Greenland's Prudhoe Dome, sea levels rising as they fall in Greenland, sinking of world's river deltas, Sustainability of Bangladesh's Delta, Hudson River Field Station community science projects, summer opportunities for HS students, Secret Life of a Dress, more! ➡️ https://bit.ly/4akRTY8
February 5, 2026 at 10:08 PM
Melting of Greenland's Prudhoe Dome, sea levels rising as they fall in Greenland, sinking of world's river deltas, Sustainability of Bangladesh's Delta, Hudson River Field Station community science projects, summer opportunities for HS students, Secret Life of a Dress, more! ➡️ https://bit.ly/4akRTY8
On Feb 11, International Day of Women & Girls in Science, join Instituto Cervantes NY for a conversation on climate change and glacier loss with LDEO's Robin Bell, UNDP's Almudena Fernández, University of Wyoming's Allison Caine, and journalist Janet Babin. RSVP: https://bit.ly/4qirhNa
February 5, 2026 at 9:07 PM
On Feb 11, International Day of Women & Girls in Science, join Instituto Cervantes NY for a conversation on climate change and glacier loss with LDEO's Robin Bell, UNDP's Almudena Fernández, University of Wyoming's Allison Caine, and journalist Janet Babin. RSVP: https://bit.ly/4qirhNa
New study co-authored by climate scientist Gisela Winckler reveals a surprising link between West Antarctic Ice Sheet retreat and low algae growth, implying less CO₂ uptake in parts of the Southern Ocean during warm periods over the past 500,000 years: https://bit.ly/4byR2VT
February 3, 2026 at 6:09 PM
New study co-authored by climate scientist Gisela Winckler reveals a surprising link between West Antarctic Ice Sheet retreat and low algae growth, implying less CO₂ uptake in parts of the Southern Ocean during warm periods over the past 500,000 years: https://bit.ly/4byR2VT
It's #WorldWetlandsDay! This year's theme focuses on crucial role of indigenous, local ancestral wisdom in sustaining wetlands and preserving cultural identity, linking past practices with scientific stewardship such as work of Dorothy Peteet of LDEO and NASA GISS: https://bit.ly/3Zh39zB
February 2, 2026 at 9:50 PM
It's #WorldWetlandsDay! This year's theme focuses on crucial role of indigenous, local ancestral wisdom in sustaining wetlands and preserving cultural identity, linking past practices with scientific stewardship such as work of Dorothy Peteet of LDEO and NASA GISS: https://bit.ly/3Zh39zB
First study from GreenDrill—an ambitious NSF-funded project to assess how sensitive Greenland's ice is to climate change—finds that Prudhoe Dome ice cap had fully melted around 7,000 years ago, much more recently than previously thought. Learn more: https://bit.ly/45GwdEq
February 2, 2026 at 6:50 PM
First study from GreenDrill—an ambitious NSF-funded project to assess how sensitive Greenland's ice is to climate change—finds that Prudhoe Dome ice cap had fully melted around 7,000 years ago, much more recently than previously thought. Learn more: https://bit.ly/45GwdEq
Even as global warming causes sea levels to rise worldwide, sea levels around Greenland will likely drop, according to a new study by PhD student and LDEO geophysicist Lauren Lewright, geodynamicist Jacqueline Austermann, geodesist James Davis, and colleagues: https://bit.ly/49ZDFLY
January 27, 2026 at 5:51 PM
Even as global warming causes sea levels to rise worldwide, sea levels around Greenland will likely drop, according to a new study by PhD student and LDEO geophysicist Lauren Lewright, geodynamicist Jacqueline Austermann, geodesist James Davis, and colleagues: https://bit.ly/49ZDFLY
New research published in Nature by former LDEO postdoc Leonard Ohenhen (now UC Irvine), geodesist James Davis, geophysicist Austin Chadwick, and colleagues documents rapid sinking of world's deltas, and finds that human activities are primary reason for it: https://bit.ly/4q0GSku
January 26, 2026 at 9:35 PM
New research published in Nature by former LDEO postdoc Leonard Ohenhen (now UC Irvine), geodesist James Davis, geophysicist Austin Chadwick, and colleagues documents rapid sinking of world's deltas, and finds that human activities are primary reason for it: https://bit.ly/4q0GSku
On Jan 29, join Columbia School of the Arts for Being Treely, an interdisciplinary conversation on rethinking our relationship to trees and plants with Nicole Davi (LDEO Tree Ring Lab), Patricia Dailey, Miya Masaoka, Rachel Grace Newman, and darylina powderface. 🎟️ https://bit.ly/4bFmGB0
January 20, 2026 at 5:53 PM
On Jan 29, join Columbia School of the Arts for Being Treely, an interdisciplinary conversation on rethinking our relationship to trees and plants with Nicole Davi (LDEO Tree Ring Lab), Patricia Dailey, Miya Masaoka, Rachel Grace Newman, and darylina powderface. 🎟️ https://bit.ly/4bFmGB0
Led by LDEO education & outreach officer Sharon Cooper, TRACX program immersed grades 5–12 educators from bustling cities to remote towns in ocean research alongside scientists, empowering them to connect classroom learning with real-world science for their students. 🌊 https://bit.ly/4qVMNbq
January 15, 2026 at 9:50 PM
Led by LDEO education & outreach officer Sharon Cooper, TRACX program immersed grades 5–12 educators from bustling cities to remote towns in ocean research alongside scientists, empowering them to connect classroom learning with real-world science for their students. 🌊 https://bit.ly/4qVMNbq
📣 Job Alert! Lamont-Doherty Earth Observatory seeks an Associate Research Scientist to conduct independent research in applications of machine learning to seismology, share results with the public, prepare publications and reports, and more. ➡️ Learn more/apply/share: https://bit.ly/49oYPCQ
January 12, 2026 at 10:09 PM
📣 Job Alert! Lamont-Doherty Earth Observatory seeks an Associate Research Scientist to conduct independent research in applications of machine learning to seismology, share results with the public, prepare publications and reports, and more. ➡️ Learn more/apply/share: https://bit.ly/49oYPCQ
Climate clues beneath Antarctic ice, freshwater reserves in Bangladesh, glacier monitoring, role of glacial melt in earthquakes, Lamont at #AGU25, Hudson River Field Station 2025 sampling recap, summer opportunities for HS students, flash flood preparedness, more! ➡️ https://bit.ly/3YRlfIp
January 9, 2026 at 9:50 PM
Climate clues beneath Antarctic ice, freshwater reserves in Bangladesh, glacier monitoring, role of glacial melt in earthquakes, Lamont at #AGU25, Hudson River Field Station 2025 sampling recap, summer opportunities for HS students, flash flood preparedness, more! ➡️ https://bit.ly/3YRlfIp
🧵 2/2 Co-edited by LDEO geochemist Joerg Schaefer, Climate Justice Now is due out in March from Columbia University Press and features several chapters by Columbia experts from LDEO, Columbia Climate School, Columbia Public Health, and more: cup.columbia.edu/book/climate...
January 9, 2026 at 3:14 PM
🧵 2/2 Co-edited by LDEO geochemist Joerg Schaefer, Climate Justice Now is due out in March from Columbia University Press and features several chapters by Columbia experts from LDEO, Columbia Climate School, Columbia Public Health, and more: cup.columbia.edu/book/climate...
🧵 1/2 Climate Justice Now "is an ambitious, clear-eyed exploration of how rising seas, migration, & inequality intersect—and how researchers and activists can move beyond narrow...silos to find real solutions," writes Jack Austin, Medill Reports: climatechange.medill.northwestern.edu/inside-clima...
January 9, 2026 at 3:14 PM
🧵 1/2 Climate Justice Now "is an ambitious, clear-eyed exploration of how rising seas, migration, & inequality intersect—and how researchers and activists can move beyond narrow...silos to find real solutions," writes Jack Austin, Medill Reports: climatechange.medill.northwestern.edu/inside-clima...
🪟 Window strikes are the leading cause of human-caused bird mortality. 🐦 With support from the Rockland Audubon Society and donors, LDEO has installed Feather Friendly Bird Collision Deterrent Markers on Monell Building with the help of CoolVu Solutions Manhattan. 💚 https://lamont.columbia.edu/leisc
January 1, 2026 at 9:15 PM
🪟 Window strikes are the leading cause of human-caused bird mortality. 🐦 With support from the Rockland Audubon Society and donors, LDEO has installed Feather Friendly Bird Collision Deterrent Markers on Monell Building with the help of CoolVu Solutions Manhattan. 💚 https://lamont.columbia.edu/leisc
At #AGU25, Macy Matthews of LDEO shared research on how deep-ocean circulation responded to climate variations 800,000-300,000 yrs ago from some of coldest, longest ice ages to warm, CO₂-rich interglacial periods. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
https://bit.ly/4jel9Uh
https://bit.ly/4jel9Uh
December 31, 2025 at 5:47 PM
At #AGU25, Macy Matthews of LDEO shared research on how deep-ocean circulation responded to climate variations 800,000-300,000 yrs ago from some of coldest, longest ice ages to warm, CO₂-rich interglacial periods. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
https://bit.ly/4jel9Uh
https://bit.ly/4jel9Uh
At #AGU25, postdoc Clara Chang of LDEO shared discovery of native desert plant that removes significant levels of metals from soil of an abandoned uranium mine inside Arizona's Petrified Forest National Park, raising environmental and public health concerns. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
December 28, 2025 at 6:37 PM
At #AGU25, postdoc Clara Chang of LDEO shared discovery of native desert plant that removes significant levels of metals from soil of an abandoned uranium mine inside Arizona's Petrified Forest National Park, raising environmental and public health concerns. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
At #AGU25, we stopped by to talk with PhD student Yi Xia of LDEO about her research using "storylines" to determine how different, but plausible, sea surface temperature patterns could shape the activity of tropical cyclones in the near future. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
December 24, 2025 at 5:47 PM
At #AGU25, we stopped by to talk with PhD student Yi Xia of LDEO about her research using "storylines" to determine how different, but plausible, sea surface temperature patterns could shape the activity of tropical cyclones in the near future. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
Drinking water is often scarce in Bangladesh. A team of researchers including Lamont-Doherty Earth Observatory geophysicists Huy Le, Kerry Key (now Deep Blue Geophysics), and Michael Steckler have tapped into a potential solution: https://bit.ly/3YHl560
December 22, 2025 at 6:15 PM
Drinking water is often scarce in Bangladesh. A team of researchers including Lamont-Doherty Earth Observatory geophysicists Huy Le, Kerry Key (now Deep Blue Geophysics), and Michael Steckler have tapped into a potential solution: https://bit.ly/3YHl560
At #AGU25, LDEO marine geologist Dallas Abbott shared findings of fragments from a 3,000-year-old layer buried in the Hudson River whose chemistry resembles cosmic dust, suggesting a sudden, high-energy event occurred nearby. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
December 18, 2025 at 9:06 PM
At #AGU25, LDEO marine geologist Dallas Abbott shared findings of fragments from a 3,000-year-old layer buried in the Hudson River whose chemistry resembles cosmic dust, suggesting a sudden, high-energy event occurred nearby. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
An international team—including LDEO's Jonny Kingslake, Sid Hemming, Jacky Austermann, Brendan Reilly, Sam Chester—is drilling for mud and rocks holding critical insights about the fate of the West Antarctic Ice Sheet as part of SWAIS2C: https://bit.ly/3Y4xJfc
December 18, 2025 at 4:13 PM
An international team—including LDEO's Jonny Kingslake, Sid Hemming, Jacky Austermann, Brendan Reilly, Sam Chester—is drilling for mud and rocks holding critical insights about the fate of the West Antarctic Ice Sheet as part of SWAIS2C: https://bit.ly/3Y4xJfc
At #AGU25, LDEO's Andrew Goodwillie shared capabilities of the Marine Geoscience Data System (MGDS), a long-standing repository that organizes and preserves seafloor and subseafloor data collected throughout the global oceans. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
December 17, 2025 at 6:53 PM
At #AGU25, LDEO's Andrew Goodwillie shared capabilities of the Marine Geoscience Data System (MGDS), a long-standing repository that organizes and preserves seafloor and subseafloor data collected throughout the global oceans. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
At #AGU25, we talked with with PhD student Trinish Chatterjee of LDEO about his research on how size of extreme daily rainfall events has changed across the US, with important implications for emergency response, flood protection systems, and public safety. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
December 17, 2025 at 5:55 PM
At #AGU25, we talked with with PhD student Trinish Chatterjee of LDEO about his research on how size of extreme daily rainfall events has changed across the US, with important implications for emergency response, flood protection systems, and public safety. ➡️ Lamont at AGU25: https://bit.ly/48VGXQ1
🌎 The Lamont-Doherty Core Repository in Palisades, NY houses a collection of over 20,000 marine sediment and rock samples spanning the globe, and is available to researchers and educators worldwide. ➡️ Stop by #AGU25 Booth 827 and visit corerepository.ldeo.columbia.edu to learn more.
December 17, 2025 at 5:55 PM
🌎 The Lamont-Doherty Core Repository in Palisades, NY houses a collection of over 20,000 marine sediment and rock samples spanning the globe, and is available to researchers and educators worldwide. ➡️ Stop by #AGU25 Booth 827 and visit corerepository.ldeo.columbia.edu to learn more.
At #AGU25, PhD student Andrew Hallward-Driemeier of LDEO shared his research measuring methane at NJ landfill to inform climate mitigation, finding emissions were higher than reported and reflected seasonal variability. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
December 17, 2025 at 4:55 PM
At #AGU25, PhD student Andrew Hallward-Driemeier of LDEO shared his research measuring methane at NJ landfill to inform climate mitigation, finding emissions were higher than reported and reflected seasonal variability. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
At #AGU25, we stopped by to talk with LDEO polar geophysicist Kirsty Tinto about her research on how the ice in Antarctica responds to the geology underneath the continent to help inform predictions about future ice as the climate warms. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25
December 16, 2025 at 6:39 PM
At #AGU25, we stopped by to talk with LDEO polar geophysicist Kirsty Tinto about her research on how the ice in Antarctica responds to the geology underneath the continent to help inform predictions about future ice as the climate warms. ➡️ Lamont at AGU25: https://lamont.columbia.edu/agu25