Image The Films of Andrew Ellicott Douglass: Astronomer, Archaeologist, and Father of Tree-Ring Dating - Virtual Sept. 21, 2021 Read more
Image EarthWeek 2021 March 18, 2021 Tree-Ring Day is part of the annual EarthWeek research symposium. Read more
Image Navajo Nation water management needs drive a snowpack reconstruction March 8, 2021 Navajo Nation water managers have obtained a tree-ring reconstruction of snowpack water resources. Read more
Image Giant sequoia tree rings reveal snow history Jan. 28, 2021 LTRR researchers have published a paper reconstructing the history of snow accumulation in California over thousands of years from giant sequoia tree rings. Read more
Image New and improved radiocarbon calibration curves Aug. 12, 2020 The new and improved IntCal20 radiocarbon calibration curves have just been released and are now available for use by anyone using the radiocarbon dating method. Read more
Image Predicting how trees will grow in a radically changed world June 30, 2020 If a warmer world subjects trees to conditions different from any they've experienced in the past it's difficult to predict how they will grow, but a new paper investigates ways to do this. Read more
