dendrochronology
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New Research Indicates That in the Future, Trees May Store Less Carbon Than Expected
Even as trees photosynthesize late into the year, their growth stops by mid-summer, which impacts their carbon uptake.
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Tree Rings Reveal Hurricane Impacts and Emerging Sea-Level Stress in Coastal Forests
New research suggests that trees largely recover from storms within two years, and that coastal trees may be stressed from sea-level rise.
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Rings of Time: Seeking Clues to the Future in Urban Timber
Lamont scientists are working with lumber salvage companies to preserve old timbers from demolished structures that offer rich clues to climate data and human history.
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Tree Rings, Climate Change and the Rainy Season
Seeking to understand the history of the southeast Asian monsoon, researchers venture into the remote highlands of Vietnam to sample the rings of behemoth cypress trees that have survived for a thousand years.
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Celebrating Women in Science: Tree-Ring Researcher Rose Oelkers
A Q&A with Rose Oelkers, a Ph.D. candidate at the Lamont-Doherty Earth Observatory who studies tropical trees and their response to changes in the environment.
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1,000-Plus Years of Tree Rings Confirm Historic Extremity of 2021 Western North America Heat Wave
Scientists quickly pronounced the summer 2021 heat wave that hit western North America to be unprecedented, but they had no long-term physical proof. Now they do.
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What Tropical Trees Can Teach Us About the Environment
PhD student Rose Oelkers discusses her work in the Amazon and what we can learn from the trees if we listen closely.
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Learning From Tree Rings: An Interview With Nicole Davi
A dendrochronologist explains how tree rings can teach us about our past, present, and future.
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New York City’s Hidden Old-Growth Forests
Scientists are uncovering centuries of climate data and human history from giant old timbers saved from demolished structures.

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!
