The data provided are the stable isotope ratios (d18O) of cellulose extracted from the wholewood of Ponderosa pine tree-rings. Sample material represents the years 1992
Wood samples from Douglas fir trees were taken using an increment borer. From each tree two opposing increment cores were taken at breast height. The sampled trees stood in an...
Species: Quercus species; No of rings: 118; first year: 1401; tree-death year: 1519; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last...
