研究人员利用树木年轮记录重建水文气候模式，并找出干旱的驱动因素。
dendrochronology
Posted inResearch Spotlights
A Warming Climate Is Shifting Eurasian Drought Conditions
Researchers use tree ring records to help reconstruct hydroclimate patterns and isolate drivers of drought.
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Buried Tree Stumps Show Shoreline Shifts of the Outer Banks
Storms are unburying centuries-old stumps on North Carolina’s barrier islands. Researchers hope these long-gone forests can help land managers plan for the future.
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Ancient Pines Could Reveal the Heat of Thousands of Past Seasons
A novel 3D CT scan approach unlocks temperature records preserved in the gnarled wood of bristlecone pines.
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Cosmic Rays Shed Light on Stone Age Timelines
Signatures of a long-ago solar storm, recorded in tree rings, helped researchers date a 7,400-year-old settlement in northern Greece.
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A Strong Quake (or Two) Rattled Puget Sound 1,100 Years Ago
Tree rings hint that two neighboring faults ruptured within 6 months of each other and suggest that the maximum magnitude of quakes around Puget Sound could exceed previous estimates.
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Tree Rings Hint at the Fall of the Hittite Empire
The Bronze Age civilization adapted to changes in climate but suffered during a prolonged crisis.
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In the Pacific Northwest, 2021 Was the Hottest Year in a Millennium
A 1,000-year temperature record shows unprecedented warming in the Pacific Northwest, and new modeling predicts the likelihood of future heat waves in the decades to come.
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Dating the World’s Tallest Trees
Scientists analyzed more than 1.2 million trees to assemble chronologies of annually dated rings, which will inform fields ranging from climate science to seismology.
Posted inResearch Spotlights
Tree Ring Width Predicted by Machine Learning
When predicting a tree’s annual growth, consider the whole weather system and not just the sum of its parts.