Temperature-sensitive tree-ring chronologies used to model the annual Pacific Decadal Oscillation index. AK = Alaska, OR = Oregon. DEN = Density, RW = Ring width. Barlow Pass data from K. Briffa and F. Schweingruber. Hemlock Knob series from D. Frank. TSME= mountain hemlock, PISI = Sitka spruce, PSME = Douglas Fir. Shorter NK, WS and HM series deleted from longer reconstruction.
Last Updated: November, 2000 (David)