Category Archives: Peer reviewed literature

Autocorrelation in the testate amoeba calibration set

Amesbury et al examine the autocorrelation in their huge calibration set. I thought I would do the same, increasing the resolution of the analysis to get a better handle on what is going on. This is an RNE plot. It … Continue reading

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Testing testate amoeba: some comments on Amesbury et al (2018)

Today, I have been reading and thinking about a new paper presenting a huge testate-amoeba calibration set for reconstructing water table depth in bogs (Amesbury et al 2018). This calibration set, with almost 2000 samples, is the synthesis of many … Continue reading

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No new data no comment at Nature Communications

Of all the modes of post-publication peer review, comments published in the same journal as the original article are the most visible, and because they have survived editorial and reviewer scrutiny, carry at least modicum of credibility. Unfortunately, comments are … Continue reading

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Chironomids are cunning wee beasties

Since I had examined almost every aspect of the data from the remarkable Lake Żabińskie chironomid-inferred August air temperature reconstruction, some time last summer I thought that I would, for completeness, have a quick look at the instrumental temperature data. … Continue reading

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Low chironomid counts from Lake Muzzano

I am aware of at least 10 papers authored by Dr Larocque-Tobler where there is good evidence that the chironomid count sum has been misreported (a corrigendum to one of these papers admits that a count sum of 19 was misreported … Continue reading

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A mean wind blows over Lake Żabińskie

I have largely neglected the chrysophyte-inferred reconstructions of winter severity and summer calcium concentrations/zonal wind speed from Lake Żabińskie even though they fall within the scope of my review of sub-decadal resolution reconstructions. This is not because I think this … Continue reading

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Pollen from the garden of forking paths

Most transfer functions for reconstructing past environmental changes are based on a calibration-in-space approach, with a modern calibration set of paired microfossil assemblages and environmental data. The alternative approach is calibration-in-time, with well-dated fossil assemblages and contemporaneous environmental data. I’ve … Continue reading

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