Assessing eruption column height in ancient flood basalt eruptions
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- 作者：Lori S. Glazea ; Lori.S.Glaze@nasa.gov" class="auth_mail" title="E-mail the corresponding author ; Stephen Selfb ; c ; Steve.self1815@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Anja Schmidtd ; A.Schmidt@leeds.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Stephen J. Hunterd ; S.Hunter@leeds.ac.uk" class="auth_mail" title="E-mail the corresponding author
- 关键词：flood basalt ; climate ; Roza ; sulfur dioxide ; Columbia River Basalt Group ; plume heights
- 刊名：Earth and Planetary Science Letters
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：457
- 期：Complete
- 页码：263-270
- 全文大小：695 K
文摘
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Buoyant plumes driven by basaltic fire fountains are modeled.
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1986 Izu-Oshima basaltic fissure eruption with 12–16 km plume is used to test model.
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Roza eruption 15 Ma ago could have injected 62 Mt of SO2/day into the stratosphere.
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Roza fissure could have supported 30–40 explosive phases 3–4 days long over decades.
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Model results can be used as input for 3-D climate models to quantify the impact.
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