MWP Evident in 3000 Year Climate History from Giant Sequoia Tree Rings
California’s western Sierra Nevada had more frequent fires between 800 and 1300 than at any time in the past 3,000 years, according to a new study led by Thomas W. Swetnam, director of UA’s Laboratory of Tree-Ring Research. A 3,000-year record from 52 of the world’s oldest trees shows that California’s western Sierra Nevada was [...]