gp.rwl: Ponderosa Pine Ring Widths from Gus Pearson Natural Area (GPNA)
in northern Arizona, USA
Description
This dataset includes ring-width measurements for ponderosa pine (Pinus ponderosa) increment cores collected at the Gus Pearson Natural Area (GPNA) in northern Arizona, USA. There are 58 series from 29 trees (2 cores per tree). Data are further described by Biondi and Qeadan (2008) and references therein.format
A data.frame containing 58 ring-width series in columns and 421
years in rows.source
DendroLab, University of Nevada Reno, USA.
http://dendrolab.org/References
Biondi, F. and Qeadan, F. (2008) A theory-driven approach to tree-ring
standardization: Defining the biological trend from expected basal area
increment. Tree-Ring Research 64(2): 81-96.