Category Archives: climate

Bergen: a year with some sunshine

Posted on 22/06/2018 by richard telford

May was glorious.  December less so. The data are from the Geofysisk Institutt in Bergen. Here is the code I used

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My presentation to IPA-IAL 2018

Posted on 19/06/2018 by richard telford

I’ve just given a presentation at the joint IPA-IAL conference in Stockholm Sub-decadal resolution palaeoenvironmental reconstructions from microfossil assemblages Download it! The deadline for applying for a reward for finding typos has expired.

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Warm summers in the Younger Dryas?

Posted on 25/05/2018 by richard telford

The Younger Dryas was a period (12,900–11,600 BP) towards the end of the last glaciation when glaciers re-advanced in Scotland and the tundra plants, including the eponymous Dryas, replaced the Bølling-Allerød forests in Denmark. These changes indicate the Younger Dryas was … Continue reading →

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“Fossil Insect Study Suggests That Los Angeles Climate Has Been Relatively Stable for at Least 50,000 Years”

Posted on 26/05/2017 by richard telford

So sayeth the press release. But what about the paper, and the 182 beetles sampled from La Brea tar pits? Fossil preservation in the tar pits is exceptional, but the constant stream of gas through the tar deposits mixes the … Continue reading →

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John Birks – At the frontiers of palaeoecology

Posted on 16/03/2015 by richard telford

This week, the University of Bergen is holding a seminar in honour of John Birks and his academic career so far. He retired earlier this year, at least from teaching and administration duties. Several well known palaeo/ecologists who have either … Continue reading →

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The Sun’s apparent orbit is not an icosikaitetragon

Posted on 11/03/2015 by richard telford

The Sun appears to go around the Earth. Round that is, like a circle, not jumping every hour from one side to the next of a 24-sided polygon. Despite this, it is convenient to represent the Sun’s position in climate models as if … Continue reading →

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Solar science Heartland style

Posted on 22/02/2015 by richard telford

[I wrote this some time back, but got distracted by Lord Monckton’s inability to use a scroll bar, and then lost momentum. Given Willie Soon’s return to media attention, I thought I should give his presentation a little loving, but … Continue reading →

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A “Robust Response of the East Asian Monsoon Rainband to Solar Variability”?

Posted on 01/02/2015 by richard telford

I’ve been searching for robust evidence of the influence of solar variability on Earth’s climate. Zhao & Wang (2014) promise it in a paper I found at the Club du Soleil. They are looking for a correlation between annual sunspot number and the … Continue reading →

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Was China 6-8 K warmer in winter 6000 years ago?

Posted on 18/01/2015 by richard telford

Monckton, Soon, Legates & Briggs have published a paper in the Science Bulletin (formerly Chinese Science Bulletin), which, despite having an impact factor of 1.365, is “one of the world’s top six learned journals of science”. Allegedly. In their paper, … Continue reading →

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Happy Perihelion

Posted on 04/01/2015 by richard telford

When better than perihelion to think about orbital forcing? I’ve wanted extract some insolation data for the late Quaternary to compare with some proxies as part of a rebuttal of some nonsense written elsewhere. Two insolation datasets are available from the Paleoclimatology … Continue reading →

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