Ash iron mobilization through physicochemical processing in volcanic eruption plumes: a numerical modeling approach

Hoshyaripour, G. A.; Hort, M.; Langmann, B.

doi:10.5194/acp-15-9361-2015

Articles | Volume 15, issue 16

https://doi.org/10.5194/acp-15-9361-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-9361-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 16

Research article

|

21 Aug 2015

Research article |

| 21 Aug 2015

Ash iron mobilization through physicochemical processing in volcanic eruption plumes: a numerical modeling approach

G. A. Hoshyaripour, M. Hort, and B. Langmann

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Jan 2015	23	26	5	54
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Apr 2015	42	5	2	49
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Aug 2015	49	43	8	100
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Oct 2015	43	12	3	58
Nov 2015	42	23	7	72
Dec 2015	9	21	1	31
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Latest update: 26 Nov 2025

Short summary

Iron released from volcanic ash can perturb the biogeochemical cycles in the ocean. However, knowing that the emitted ash from a volcano contains insoluble iron, what processes can solubilize the ash iron while it is airborne? To answer this question, a numerical model is developed in this study to simulate the gas-ash-aerosol interactions within the eruption plume. Results show that the dissolution of the ash mediated by halogen acids exert the key control on ash iron mobilization.