Contact: Justin Broglio
Desert Research Institute
Caption: DRI scientist Michael Sigl holds an ice core section that contains detailed information about the volcanic aerosol composition of Earth's atmosphere 1,700 years ago.
Credit: Olivia Maselli
Usage Restrictions: Please contact Justin Broglio prior to photo use. Additional photos are available upon request.
Related news release: Rewriting the history of volcanic forcing during the past 2,000 years