Latest Dendrology Stories
New research on tree rings in Utah has revealed that some droughts of the past 576 years were much more severe than anything seen since the start of the 20th century.
The National Science Foundation has funded a study to determine past climates by studying tree rings.
Some climate cooling caused by past volcanic eruptions may not be evident in tree-ring reconstructions of temperature change because large enough temperature drops lead to greatly shortened or even absent growing seasons.
Nibbling by herbivores can have a greater impact on the width of tree rings than climate, new research has found.
Trees are outstanding historians -- In fact, scientists dating back to Leonardo da Vinci recognized the value of trees.
A team of researchers conducting an extensive study of growth rings in trees say there could be a link between the rise and fall of ancient civilizations and sudden shifts in Europeâ€™s climate.
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.
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.
- A volcanic mudflow.