Tag Archives: alaska

Discovery of Data for One of the “Other 26” Jacoby Series

Dec 12, 2023 – 1:32 PM

We’ve long discussed the bias imparted by ex post selection of data depending on whether it went up in the 20th century.  Likening such after-the-fact selection to a drug study carried out only on survivors. The Jacoby and d’Arrigo 1989 network was a classic example: the original article reported that they had sampled 36 northern treeline […]

By Stephen McIntyre | Posted in Uncategorized | Also tagged , , , | Comments (39)

New Light on Gulf of Alaska

Feb 14, 2016 – 2:46 PM

Last week, I posted on the effect of ex post site selection on the Gulf of Alaska tree ring chronology used in Wilson et al 2016 (from Wiles et al 2014).  An earlier incarnation of this chronology (in D’Arrigo et al 2016) had had a severe divergence problem, a problem that Wiles et al had purported to […]

By Stephen McIntyre | Posted in Uncategorized | Also tagged , , , | Comments (9)

Picking Cherries in the Gulf of Alaska

Feb 2, 2016 – 4:34 PM

The bias arising from ex post selection of sites for regional tree ring chronologies has been a long standing issue at Climate Audit, especially in connection with Briffa’s chronologies for Yamal and Polar Urals (see tag.)  I discussed it most recently in connection with the Central Northwest Territories (CNWT) regional chronology of D’Arrigo et al […]

By Stephen McIntyre | Posted in Uncategorized | Also tagged , , | Comments (176)

Glacier Bay, Alaska

Aug 24, 2006 – 7:22 AM

George posted up the following link as supposedly supporting Lonnie Thompson’s views on Quelccaya: Early results on Reid Inlet, where Reid Glacier has now backed up out of the ocean, show that the glacier had retreated beyond where it is now more than 10,000 years ago, advanced to the sea by 8,000 years ago, again […]

By Stephen McIntyre | Posted in Proxies | Also tagged , , | Comments (67)