Bristlecone-Pine Tree Rings (IMAGE)

Desert Research Institute

Bristlecone-Pine Tree Rings

Caption

Narrow and distorted tree-rings from long living bristlecone-pines (Snake Mountains, Nevada, USA), indicating extreme cooling after a large volcanic eruption in 44 BCE, the year of Julius Cesar's death.

Credit

Matthew Salzer

Usage Restrictions

None

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.