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We have conducted a perturbed parameter model ensemble to investigate Mt. Pinatubo's 1991 initial sulfur mass emission. Our results suggest that (a) the initial mass loading of the Pinatubo eruption is ~14 Mt of SO2; (b) the injection vertical distribution is strongly skewed towards the lower stratosphere, leading to a peak mass sulfur injection at 18-21 km; (c) the injection magnitude and height affect early southward transport of the volcanic cloud observed by SAGE II.
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Articles | Volume 15, issue 20
Atmos. Chem. Phys., 15, 11501–11512, 2015
https://doi.org/10.5194/acp-15-11501-2015
Atmos. Chem. Phys., 15, 11501–11512, 2015
https://doi.org/10.5194/acp-15-11501-2015

Research article 19 Oct 2015

Research article | 19 Oct 2015

A perturbed parameter model ensemble to investigate Mt. Pinatubo's 1991 initial sulfur mass emission

J.-X. Sheng et al.

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Short summary
We have conducted a perturbed parameter model ensemble to investigate Mt. Pinatubo's 1991 initial sulfur mass emission. Our results suggest that (a) the initial mass loading of the Pinatubo eruption is ~14 Mt of SO2; (b) the injection vertical distribution is strongly skewed towards the lower stratosphere, leading to a peak mass sulfur injection at 18-21 km; (c) the injection magnitude and height affect early southward transport of the volcanic cloud observed by SAGE II.
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