17. “ Tree-ring-derived records have played a prominent role
in a empts to establish how climate has varied
”
in the recent past.
— Jones et al., The Holocene, 2009
18. G L O B A L T E M P E R AT U R E R E C O N S T R U C T I O N S
Photograph: Marianna
19. Long, temperature-sensitive tree-ring records have been used to estimate
average temperatures across the entire hemisphere or globe.
Source: Esper et al., Science, 2002
24. “ ...this study provides evidence for intervals of
significant warmth in the [Northern Hemisphere]
within the so-called Medieval Warm Period and for
significantly colder intervals during the so-called
”
Li le Ice Age period.
— Osborne and Briffa, 2006
28. “ Tree-rings also allow the reconstruction of large-scale
regional or global temperature pa erns defined by
large networks of chronologies.
”— Brian Luckman
41. the ‘divergence problem’ is defined as the tendency for
tree growth at some previously temperature-limited
northern sites to demonstrate a weakening in mean
temperature response in recent decades.
Source: D’Arrigo et al., 2008
43. “ It is important to stress that not all high-latitude regions
display this apparent decoupling between observed and
dendroclimatically estimated temperatures.
”
— Jones et al., The Holocene, 2009