In 1997, the 121 m Lomonosovfonna ice core was drilled in Svalbard. As of mid-2009, when Hu McCulloch and I wrote CA posts on this core, nothing had been published on
O18 values prior to AD1400 nor had any Lomonosovfonna data been archived, even for the post-1400 period.
Both Hu McCulloch and I, in separate CA posts here and here, speculated that the withheld O18 values prior to AD1400 would elevated values. A digital version of the pre-1400 data became available this week in connection with Hanhijarvi et al and confirmed our surmise, as shown below.
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