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dendrochronology

A cracked, polygonal, dried lake basin in Italy shows what the drought conditions were like in 2017.
Posted inResearch Spotlights

A Warming Climate Is Shifting Eurasian Drought Conditions

Sarah Derouin, Science Writer by Sarah Derouin 24 February 202524 February 2025

Researchers use tree ring records to help reconstruct hydroclimate patterns and isolate drivers of drought.

Park rangers walk away from marine debris. A small stump appears by the waterline.
Posted inNews

Buried Tree Stumps Show Shoreline Shifts of the Outer Banks

by J. Besl 11 December 202411 December 2024

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.

Two wide, brown, gnarled tree trunks with sparse, dark greenery grow against a blue sky from lightly snow- and rock-covered ground, with low, sparse surrounding shrublike vegetation and more dark-colored trees in the far distance along a ridgeline.
Posted inResearch Spotlights

Ancient Pines Could Reveal the Heat of Thousands of Past Seasons

Sarah Stanley, Science Writer by Sarah Stanley 5 August 20245 August 2024

A novel 3D CT scan approach unlocks temperature records preserved in the gnarled wood of bristlecone pines.

Re-created Neolithic homes on the shore of Lake Orestiada
Posted inNews

Cosmic Rays Shed Light on Stone Age Timelines

by Caroline Hasler 5 July 20243 July 2024

Signatures of a long-ago solar storm, recorded in tree rings, helped researchers date a 7,400-year-old settlement in northern Greece.

Gray tree stumps stick out of a lake.
Posted inNews

A Strong Quake (or Two) Rattled Puget Sound 1,100 Years Ago

by Carolyn Wilke 27 October 202327 October 2023

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.

A partially missing stone archway is flanked by stone lionlike statues
Posted inNews

Tree Rings Hint at the Fall of the Hittite Empire

by Humberto Basilio 4 May 202319 May 2023

The Bronze Age civilization adapted to changes in climate but suffered during a prolonged crisis.

A person in shadow stands next to a mountain hemlock tree at Crater Lake, twisting a long coring instrument into the tree.
Posted inNews

In the Pacific Northwest, 2021 Was the Hottest Year in a Millennium

Sarah Derouin, Science Writer by Sarah Derouin 2 May 202319 May 2023

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.

A photo looking up between tall trees with red bark and green canopy.
Posted inNews

Dating the World’s Tallest Trees

Katherine Kornei, Science Writer by Katherine Kornei 27 April 202319 May 2023

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.

Cross sections of several logged trees reveal banded patterns of dark and light wood
Posted inResearch Spotlights

Tree Ring Width Predicted by Machine Learning

by Morgan Rehnberg 28 March 202328 March 2023

When predicting a tree’s annual growth, consider the whole weather system and not just the sum of its parts.

Tree rings shown on a cut piece of timber
Posted inFeatures

Finding Climate History in the Rafters of New York City Buildings

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 22 February 202322 February 2023

When renovating in the Big Apple, you might acquire a several-hundred-year-old climate database along with your new kitchen and bath.

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Mapping the Ocean Floor with Ancient Tides

6 May 20256 May 2025
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First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
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Decoding Crop Evapotranspiration

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