Subfossil trees preserved in Iceland

Silent witnesses: how an ice age was written in the trees

27 February 2018

What connects a series of volcanic eruptions and severe summer cooling with a century of pandemics, human migration and the rise and fall of civilisations? Tree rings, says Ulf B眉ntgen, who leads Cambridge鈥檚 first dedicated tree-ring laboratory in the Department of Geography.

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Foraminifera "Star sand" Hatoma Island - Japan

Super-slow circulation allowed world鈥檚 oceans to store huge amounts of carbon during the last ice age

27 June 2016

探花直播way the ocean transported heat, nutrients and carbon dioxide at the peak of the last ice age, about 20,000 years ago, is significantly different than what has previously been suggested, according to two new studies. 探花直播findings suggest that the colder ocean circulated at a very slow rate, which enabled it to store much more carbon for much longer than the modern ocean.

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