Latest Dendrochronology Stories
An unprecedented, decades-long combination of heat and drought could be headed to the Southwest United States sometime this century.
Droughts in the late 20th century rival some of North Africa's major droughts of centuries past, reveals new research that peers back in time to the year 1179.
The most detailed picture of at least four epic droughts that Asia has seen in the past 1000 years was found in the study of tree rings.
Decades of drought, interspersed with intense monsoon rains, may have helped bring about the fall of Cambodia's ancient Khmer civilization at Angkor nearly 600 years ago, according to an analysis of tree rings, archeological remains and other evidence.
The analysis of carbon and oxygen isotopes embedded in tree rings may shed new light on past climate events in the Mackenzie Delta region of northern Canada.
Increasing temperatures at high altitudes are fueling the post-1950 growth spurt seen in bristlecone pines, the world's oldest trees, according to new research.
Scientists are comparing annual growth rings of the Pacific Northwest's largest bivalve and its most iconic tree for clues to how living organisms may have responded to changes in climate.
Researchers say baldcypress trees in central Texas provide a record of past weather and clues to the region's future. Malcolm Cleaveland of the University of Arkansas and his team have been taking cores from the trees that show the rings, the Austin American-Statesman reported Tuesday.
Researchers are studying data from the tree rings of conifers in Vietnam to reveal new clues into how droughts affected ancient civilizations.
U.S. climate scientists say the Northern Hemisphere's surface temperatures were higher during the past decade than at any time during the last 1,300 years.
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