Lamont-Doherty Earth Observatory145
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The Changing Upernavik Waterfront
Project Background: Changing conditions in Greenland’s northwest glaciers over the last decade have led to a range of questions about water temperature and circulation patterns in the fjords where ocean water meets the glacial fronts.
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What Geology Has to Say About Global Warming
The most important lessons drawn from geology are that the earth’s climate can change radically, and rapidly. We can’t say precisely at what CO2 level we’re in danger of melting Antarctica, but that threshold could be reached in 150-300 years, if CO2 levels keep rising at the current rate.
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Glacier Marks on Mount Chirripó
On his sixth day on Mount Chirripo, Lamont’s Max Cunningham finds clues of the mountain’s origins and evolution.
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Back to Mount Chirripó
On their fifth day of fieldwork on Mount Chirripo, Lamont’s Max Cunningham and Mike Kaplan encounter some deeply weathered boulders.
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Ancient Ocean Currents May Have Changed Pacing and Intensity of Ice Ages
Slowing of Currents May Have Flipped Switch, Says Study
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A Quick Retreat from ‘Mountain Lion’ Savannah
On their fourth day on Mount Chirripo, Lamont’s Max Cunningham and Mike Kaplan explore an unusual valley and find the spot where a lion apparently killed someone.
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Landslide Up Close
On their third day on Mount Chirripo, Lamont geologists Max Cunningham and Mike Kaplan discover remnants of a mysterious landslide.
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Melting and Refreezing of Deep Greenland Ice Speeds Flow to Sea, Study Says
Findings May Shift Understanding of Ice Sheet Behavior
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Chiseling Away
Lamont-Doherty geologists Max Cunningham and Mike Kaplan chisel away at glacial moraines on Costa Rica’s Mount Chirripo to understand when ice withdrew during the last ice age.
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