A segment of a giant sequoia tree was moved on Friday from the Arizona State Museum South building to the Bryant Bannister Tree-Ring building, which is currently under construction. The ring is ...

The sequoia section arrived at the UA in 1931 for study by astronomer A.E. Douglass, who later founded the world's first tree-ring research laboratory underneath the Arizona Stadium.

Giant sequoias yield longest fire history from tree rings Date: April 21, 2010 Source: University of Arizona Summary: A 3,000-year record from 52 of the world's oldest trees shows that California ...

Given that the sequoia grew seasonally, each ring marks the passage of another year, and visitors can look at the approximately 260 delineations and think about what such a time span represents.

And the tree ring building is round, to architecturally represent a tree. It felt like a perfect merging of architecture, shape, sound, data, wood material and science.

Char marks in the tree-ring corings of ancient sequoias show that before the arrival of settlers in the mid-1800s and the government’s 20th century anti-wildfire policies, low- to moderate ...

Using tree rings as proxies for snowpack and summer soil moisture, scientists have determined that this 20-plus-year period is the driest in southwestern North America since AD 800.

In September, the base of General Sherman, the largest tree in the world by volume at 275 feet tall and over 36 feet wide, and others at Sequoia National Park's Giant Forest were wrapped in ...

The world-famous museum is now in the possession of an ancient slab of a sequoia tree. After carefully counting each ring of the tree, paleobotanist Scott Wing determined that the tree lived for ...