years of bidecadal oscillation recorded by a bur oak Quercus macrocarpa chronology bur oak amp soy beans 1000 2000 Cook et al 1997 Stambaugh et al 2011 Title Bidecadal Drought Rhythm IIII ID: 231441
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Slide1
A 1000
years of bi-decadal oscillation recorded by
a bur oak (Quercus macrocarpa) chronology
bur oak & soy beans
1000
2000
Cook et al. 1997
Stambaugh et al. 2011 Slide2
Title:
Bi-decadal Drought Rhythm IIII
; Species: bur oak (Quercus macrocarpa); Period: 992 to 2010 AD;Temporal Axis: 1092 years in 57 seconds, ratio: 19 yrs-1 s-1
; Acoustic Axis: increased growth (mm) = increased pitch (Hz) and duration (s);
Location: Northern Missouri
floodplains, US; Time series type:
spline filtered ring-width index; Data: Stambaugh et al. 2011.