Volcanogenic acid deposition enhances weathering of Andisols in Nicaragua

Delmelle, Pierre;Paque, Mathilde;Piessens Lionel
(2018) GOLDSCHMIDT 2018 — Location: BOSTON, USA (12.August.2018)

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  • Delmelle, PierreUCLouvain
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  • Paque, MathildeUCLouvain
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  • Piessens LionelUCLouvain
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Abstract
Introduction Sulphur and halogen-rich gas emissions from passively degassing volcanoes can generate important dry- and wet-deposited fluxes of SO2, H2SO4, HCl and HF locally and regionally. Such volcanogenic depositions may represent significant inputs of acids to soils located downwind.. Here we investigate the influence of a persistent tropospheric volcanic gas plume on the weathering degree and acidification of Vitric and Eutric Andisols developed on basaltic parent materials. We contrast soils collected from the same sites in 2001 and 2017.
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Delmelle, P., Paque, M., & Piessens Lionel. (2018). Volcanogenic acid deposition enhances weathering of Andisols in Nicaragua. Goldschmidt 2018, 57. https://hdl.handle.net/2078.5/62539