Manganese redox buffering limits arsenic release from contaminated sediments, Union Lake, New Jersey

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• 作者：Alison R. Keimowitz^a ; ^{alkeimowitz@vassar.edu} ; Brian J. Mailloux^b ; Karen Wovkulich^a ; Jennifer S. Harkness^a ; James M. Ross^c ; Steven N. Chillrud^c
• 关键词：Arsenic ; Lake ; Sediment ; Redox ; Manganese
• 刊名：Applied Geochemistry
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：77
• 期：Complete
• 页码：24-30
• 全文大小：1527 K
• 卷排序：77

文摘

Bottom water anoxia releases some As from a contaminated lake sediments. Lake anoxia is transient due to frequent, though irregular, lake mixing. Mn buffers Eh preventing low enough Eh's to mobilize higher As concentrations.