Origin and availability of organic matter leading to arsenic mobilisation in aquifers of the Red River Delta, Vietnam

详细信息    查看全文

• 作者：Elisabeth Eiche^a ; ^{elisabeth.eiche@kit.edu} ; Michael Berg^b ; Sarah-Madeleine Hö ; nig^a ; Thomas Neumann^a ; Vi Mai Lan^c ; Thi Kim Trang Pham^c ; Hung Viet Pham^c
• 关键词：Arsenic ; Vietnam ; Organic matter ; δ13Corg ; C/N-ratio
• 刊名：Applied Geochemistry
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：77
• 期：Complete
• 页码：184-193
• 全文大小：2329 K
• 卷排序：77

文摘

Particulate organic carbon (POC) from C3/C4 plants and freshwater is a main source of OM. δ13Corg values of POC in sediments from high As sites are less depleted by 1–2‰. Positioning and protection of organic matter in clayey sediments is decisive for As contamination.