gp.rwl)This data set gives the diameter at breast height for each series that
matches the series in gp.rwl <U+2013> a data set of ponderosa
pine (Pinus ponderosa) from the Gus Pearson Natural Area
(GPNA) in northern Arizona, USA. Data are further
described by Biondi and Qeadan (2008) and references therein.
data(gp.dbh)A data.frame containing series IDs in column 1
(series), tree diameter (in cm) at breast height
(dbh), and the bark thickness (in cm). This can be used
together with the ring widths to calculate the area of each ring.
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<U+2013>96.