Friday, May 18, 2012


date: Mon, 18 Feb 2002 17:58:49 +100
subject: Kelly-paper
to: Keith Briffa <>

Keith, I now found the time to read the paper more carefully,
together with the figures. I think except of my basic critics (no
regard of replication) the results are astonishing good. The trick to
substract pdsi-values and to calculate significance in comparison to
the previous year does pretty nice hide the information how many of
the negative signature years in the 20th century had really been dry
years - at least in 1956 the opposite is true. However astonishing
interesting results, especially for me the 3-4 years ring widt
suppressions following cold winters which you explain by climatic
reasons and which I see as medium term reaction on damage in cold
winters. So - from my side no hints for changes in the hurry (this
week I am overbusy with an everyday course in Dendrochronology for
students) but the hope that we will one day find the time to repeat
the study a bit more carefully. Cheers Hubert
Dr. Hanns Hubert Leuschner
Univ. Goettingen
-Labor f. Dendrochronologie u. Dendroklimatologie-
Von-Siebold-Str. 3a
D-37075 Goettingen
Phone: +49-551-3912153

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