Tag Archives: calibration-in-time

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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The third chironomid calibration-in-time reconstruction

Most reconstructions of past environmental conditions derived from chironomid assemblages with transfer functions use a calibration-in-space approach, in which the calibration is a set of modern chironomid assemblages paired with modern environmental data. I am aware of three chironomid calibration-in-time … Continue reading

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The tangled web of Silvaplana papers

I’ve not written much about the Lake Silvaplana papers although they are as questionable as the Seebergsee and Zabinskie papers. I have now digitised the 150-year stratigraphy, my request to the authors for the data having been ignored. Together with … Continue reading

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Calibration-in-time at Seebergsee

Most transfer functions for reconstructing palaeoenvironmental variables from microfossil assemblages use a modern calibration set of paired microfossil and environmental data from many sites. This is sometimes known as the calibration-in-space approach. An alternative approach adopted by a few papers … Continue reading

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The Lake Silvaplana papers

Intrigued by the slightest of hints of rare mønsters in the Lake Żabińskie chironomid data, I decided to re-read all the papers on the chironomid stratigraphy from the varved Lake Silvaplana, Switzerland, by the same author. These papers, which reconstruct … Continue reading

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