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dendrochronology

A photo of a ponderosa pine forest in Arizona
Posted inNews

Tree Carbon Data That Ring True

by Nancy Averett 15 March 202215 March 2022

An international group of researchers may have found a way to better account for carbon storage in forests.

Trees with a view of Italy’s Mount Etna behind.
Posted inNews

Supergreen Trees Can Signal Sites of Eruptions

by J. Besl 8 November 202126 April 2022

Tree core chemistry can explain what happened before Mount Etna’s 2002 eruption and suggests that trees could play a role in rebuilding past eruptions.

Cross section of Chilean radiata pine
Posted inResearch Spotlights

Understanding Tremors Through Tree Rings

by Kate Wheeling 21 October 202110 November 2021

Researchers look to carbon isotopes and cell-level wood anatomy to understand how seismic-induced changes in water availability affect tree growth.

View of the Brahmaputra River with the sun low on the horizon
Posted inScience Updates

Tree Rings Reveal a 700-Year Record of Flooding in Bangladesh

by Mukund Palat Rao and Benjamin I. Cook 15 October 202115 October 2021

Trees tell of a wetter past along the Brahmaputra River and, combined with climate modeling, suggest heightened future flood risks in one of the world’s most densely populated areas.

英国布里斯托动物园一种未知树种的生长年轮图片
Posted inResearch Spotlights

树木年轮显示了最新发现的极端太阳活动事件记录

by Morgan Rehnberg 11 August 202128 September 2021

对树木年轮物质的光谱分析表明,碳-14浓度在一年内急剧上升,这与发生在公元前5410年左右的极端太阳高能粒子事件相一致。

A picture showing the growth rings of an unknown tree species at Bristol Zoo in the United Kingdom
Posted inResearch Spotlights

Tree Rings Show Record of Newly Identified Extreme Solar Activity Event

by Morgan Rehnberg 12 July 202128 September 2021

Mass spectroscopy of tree ring material indicates a sharp, single-year rise in carbon-14 concentrations consistent with an extreme solar energetic particle event that occurred around 5410 BCE.

Tree rings visible in a slice of oak
Posted inNews

Oak Trees Offer a Continuous Climate Record for Central Europe

by Stacy Kish 2 April 202128 September 2021

A method using nonpooled, continuous stable carbon and oxygen isotopes recorded in oak trees benefits climate reconstructions.

Max Torbenson coring a pine tree
Posted inNews

Podcast: What Tree Rings Can Tell Us About the U.S. Civil War

by S. M. Hanlon 30 March 20215 October 2021

Climate change–induced drought may have had an influence on the Civil War.

A forest with boreal trees rich in leaves and vegetation
Posted inNews

Trees That Live Fast, Die Young, and Mess with Climate Models

by Meghie Rodrigues 27 January 20212 November 2021

The trade-off between tree longevity and life expectancy can mean future carbon uptakes are overestimated in current global climate models.

Close-up photo of tree rings
Posted inNews

Tree Rings Reveal How Ancient Forests Were Managed

by Katherine Kornei 22 January 2021

By analyzing thousands of oak timbers dating from the 4th to 21st centuries, scientists have pinpointed the advent of a forest management practice.

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