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New Article on Igaliku
Shortly after the publication of PAGES2K, I pointed out that the Igaliku lake sediment proxy, had been contaminated by modern agricultural runoff. The post attracted many comments. Nick Stokes...
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Decomposing Paico
In today’s post, Jean S and I are going to show that the paico reconstruction, as implemented in the present algorithm, is very closely approximated by a weighted average of the proxies, in which the...
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The Third Warmest Arctic Century
PAGES2K (2013) unequivocally stated that the Arctic was “warmest during the 20th century”: The Arctic was also warmest during the twentieth century, although warmer during 1941–1970 than 1971–2000...
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Warmest since, uh, the Medieval Warm Period
The money quote in the PAGES2K abstract was that there wasn’t any worldwide Little Ice Age of Medieval Warm Period and that AD1971-2000 temperatures were the highest in nearly 1400 years, long before...
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Gergis and the PAGES2K Regional Average
The calculation of the PAGES2K regional average contains a very odd procedure that thus far has escaped commentary. The centerpiece of the PAGES2K program was the calculation of regional...
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PAGES2K and Nature’s Policy against Self-Plagiarism
Nature’s policies on plagiarism state: Duplicate publication, sometimes called self-plagiarism, occurs when an author reuses substantial parts of his or her own published work without providing the...
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New Data and Upside-Down Moberg
I’ve been re-examining SH proxies for some time now, both in connection with PAGES2K and out of intrinsic relevance. In today’s post, I’ll report on a new (relatively) high-resolution series from the...
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Ground-truthing Marcott
The MD99-2275 core offshore Iceland is a very high-resolution ocean sediment core, results of which over the past millennium have been discussed here from time to time. Alkenone and diatom results for...
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Another Upside-Down PAGES2K Non-Corrigendum
Kaufman and McKay recently and quietly issued an Arctic2K correction file at NOAA xls here that concedes yet another upside-down series previously pointed out to them at Climate Audit. Once again, they...
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The Ocean2K “Hockey Stick”
The long-awaited (and long overdue) PAGES2K synthesis of 57 high-resolution ocean sediment series (OCEAN2K) was published a couple of weeks ago (see here here). Co-author Michael Evans’ announcement...
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