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Arsenic contamination of Bangladesh aquifers exacerbated by clay layers

Confining clay layers typically protect groundwater aquifers against downward intrusion of contaminants. In the context of groundwater arsenic in Bangladesh, we challenge this notion here by showing that organic carbon drawn from a clay layer into a low-arsenic pre-Holocene (>12 kyr-old) aquifer...

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Detalles Bibliográficos
Autores principales: Mihajlov, Ivan, Mozumder, M. Rajib H., Bostick, Benjamín C., Stute, Martin, Mailloux, Brian J., Knappett, Peter S. K., Choudhury, Imtiaz, Ahmed, Kazi Matin, Schlosser, Peter, van Geen, Alexander
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7205959/
https://www.ncbi.nlm.nih.gov/pubmed/32382006
http://dx.doi.org/10.1038/s41467-020-16104-z