On 28th November OxTalks will move to the new Halo platform and will become 'Oxford Events' (full details are available on the Staff Gateway).
There will be an OxTalks freeze beginning on Friday 14th November. This means you will need to publish any of your known events to OxTalks by then as there will be no facility to publish or edit events in that fortnight. During the freeze, all events will be migrated to the new Oxford Events site. It will still be possible to view events on OxTalks during this time.
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The polar ice cores represent our most detailed archive of large magnitude volcanic eruptions. Yet, for the majority of these eruptions we have no idea where the source volcano was located nor whether its ash and sulfur emissions made it to the stratosphere. This information is critical for understanding the climate and societal impacts of past eruptions. Our group at St Andrews is developing a new isotopic and tephra analytical tool kit to extract this key information from volcano ice core archives. Here, I will talk about a particularly fascinating period at the end of the Little Ice Age, 1800–1850 CE, which is the coldest period in the last 500 years and was marked by cluster of mysterious volcanic events.
