Laboratory of Tree-Ring Research
"Our faculty, students, and scientific staff are engaged in a diverse array of research programs which include fire history and fire ecology, multiproxy paleoclimatology, archaeology, biogeography, isotope geochemistry, paleoecology, biogeochemistry, geomorphology, numerical and statistical modeling, and even public health.
" The Laboratory of Tree-Ring Research at The University of Arizona was founded in 1937 by A. E. Douglass, founder of the modern science of dendrochronology. The LTRR is a research unit in the College of Science at the University of Arizona in Tucson, AZ (US)"
Dendrochronology, Tree rings