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Implications of Holocene cryptotephra records in North America

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If you have a question about this talk, please contact Céline Marie Vidal .

Records of far-travelled volcanic ash, not visible to the naked eye but detectable in sediment records, have expanded in North America over the past 12 years. Analyses of ash transported from volcanic source regions over 1000s of km away, including Kamchatka, Alaska and central America, provide detailed data across the Holocene that can be utilised for many purposes. This seminar will touch on what records have been produced, some practical lessons learnt about undertaking this work in North America, and implications of the new datasets for other research topics, including eruptive histories, atmospheric circulation and independently assessing modern chronostratigraphies.

This talk is part of the Climate and Environmental Dynamics - Department of Geography series.

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