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| Título: | Cave aerosols: distribution and contribution to speleothem geochemistry |
Autor: | Dredge, J.; Fernández Cortés, Ángel CSIC ORCID; Sánchez-Moral, Sergio CSIC ORCID ; Jurado, Valme CSIC ORCID; Grassineau, N. | Fecha de publicación: | 2013 | Editor: | Elsevier | Citación: | Quarternary Science Reviews 63: 23- 41 (2013) | Resumen: | There is developing interest in cave aerosols due to the increasing awareness of their impacts on the cave environment and speleothem; this paper provides the first attempt to synthesize the issues. Processes of cave aerosol introduction, transport, deposition, distribution and incorporation are explored, and reviewed from existing literature. Key issues of specific aerosol processes of distribution and production as well as cave location and morphology effects are highlighted through the presentation of preliminary monitoring data. This study identifies the strong relationship between cave ventilation, cave aerosols and their consequent spatial distribution. The contribution of cave aerosol deposition to speleothem geochemistry is modelled and evaluated using a mass balance framework. As an example, speleothem trace element data from Obir Cave (Austria) are compared with aerosol inputs to evaluate their significance. The mass balance study demonstrates that generally, under normal continuous growth and environmental conditions aerosol deposition will be of only minor importance. However, it highlights specific scenarios in which aerosol contributions will be significant: speleothem hiatuses (or slow growth), high aerosol deposition, and secondary microbiological feedback. | Descripción: | Dredge, J. et al.-- | URI: | http://hdl.handle.net/10261/79738 | DOI: | 10.1016/j.quascirev.2012.11.016 | Identificadores: | doi: 10.1016/j.quascirev.2012.11.016 issn: 0277-3791 e-issn: 1873-457X |
| Aparece en las colecciones: | (IRNAS) Artículos (MNCN) Artículos |
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