the divergence of tree-ring proxies from temperatures after 1960 is openly discussed in the peer-reviewed literature and the last two ipcc assessment reports.
the divergence of tree-ring proxies from temperatures after 1960 is openly discussed in the peer-reviewed literature and the last two ipcc assessment reports.
hockey stick controversy:48
dendroclimatologist keith briffa's february 1998 study reporting a divergence problem affecting some tree ring proxies after 1960 warned that this problem had to be taken into account to avoid overestimating past temperatures.