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Identifying the source of unknown volcanic eruptions in Late Antiquity

Volcanism has shaped the human trajectory as a result of the regional impacts of ash deposition and through global climate change caused by stratospheric veils of volcanic sulphate aerosols. Volcanic forcing of climate is suspecte... ver más

09/03/2021

THE CHANCELLOR MAS...

183K€

Presupuesto del proyecto: 183K€

Líder del proyecto

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UN... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

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Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2021-03-09

MSCA-IF-2017: Individual Fellowships

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THE CHANCELLOR MASTERS AND S...

183.45K€ | Lider

AUTOMATISMOS Y MONTAJES INDU...

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Duración del proyecto: 34 meses Fecha Inicio: 2018-04-10
Fecha Fin: 2021-03-09

Líder del proyecto

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UN... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 183K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Volcanism has shaped the human trajectory as a result of the regional impacts of ash deposition and through global climate change caused by stratospheric veils of volcanic sulphate aerosols. Volcanic forcing of climate is suspected to be implicated in centennial scale climatic cooling during the Common Era, notably in triggering the Little Ice Age (LIA, circa 1300-1850 CE), and the shorter but cooler Late Antique Little Ice Age (LALIA, circa 530-680 CE). The latter episode would have contributed to major societal reorganisations that occurred across Eurasia, including the rise and demise of empires, migrations and political upheavals. The LALIA coincides with a series of large volcanic eruptions of unknown source, only identified by sulphur-rich horizons in polar ice cores, left by aerosols trapped in the ice after dispersal through the high atmosphere. This project aims to locate the volcanic sources of these unknown 6th and 7th century eruptions, by characterising and correlating their geochemical fingerprints in global archives, including Antarctic and Arctic ice cores and equatorial lake sediment cores. An interdisciplinary approach at the interface of glaciology, tephrochronology, dendrochronology, and climatology will be used to extract and analyse micrometric particles of far-travelled ashes and to identify correlations between different the samples and potentially to identify the source. The results of the proposed research will provide methodological advances of wider interest to tephrochronologists, and will facilitate modelling of the climate impacts of these eruptions. The outputs will provide a better understanding of the role of volcanism in centennial scale climate cooling during the Common Era, and inform the extent to which volcanism and associated climate forcing played a role in Eurasian history in the Late Antique period. They will also be relevant to understanding the potential impacts of future temporal clustering of climate-forcing eruptions.

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