Influence of calcite on uranium(VI) reactive transport in the   groundwater-river mixing zone

doi:10.1016/j.jconhyd.2013.10.002

CORC > 北京大学 > 工学院

	Influence of calcite on uranium(VI) reactive transport in the groundwater-river mixing zone
	Ma, Rui ; Liu, Chongxuan ; Greskowiak, Janek ; Prommer, Henning ; Zachara, John ; Zheng, Chunmiao
刊名	污染物水文学杂志
	2014
关键词	Groundwater-river mixing zone Uranium mobility Calcite Reactive transport modeling Hanford 300A site AQUIFER SEDIMENTS U(VI) SORPTION VADOSE ZONE ADSORPTION CARBONATE KINETICS URANYL DESORPTION COMPLEXES MODEL
DOI	10.1016/j.jconhyd.2013.10.002
英文摘要	Calcite is an important, relatively soluble mineral phase that can affect uranium reactive transport in subsurface sediments. This study was conducted to investigate the distribution of calcite and its influence on uranium adsorption and reactive transport in the groundwater-river mixing zone of the Hanford 300A site, Washington State. Simulations using a two-dimensional (2D) reactive transport model under field-relevant hydrological and hydrogeochemical conditions revealed the development of a calcite reaction front through the mixing zone as a result of dynamic groundwater-river interactions. The calcite concentration distribution, in turn, affected the concentrations of aqueous carbonate and calcium, and pH through dissolution, as river waters intruded and receded from the site at different velocities in response to stage changes. The composition variations in groundwater subsequently influenced uranium mobility and discharge rates into the river in a complex fashion. The results implied that calcite distribution and concentration are important variables that need to be quantified for accurate reactive transport predictions of uranium, especially in dynamic groundwater-river mixing zones. (C) 2013 Elsevier B.V. All rights reserved.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000329537000003&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Environmental Sciences; Geosciences, Multidisciplinary; Water Resources; SCI(E); EI; 8; ARTICLE; czheng@pku.edu.cn; 27-37; 156
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/218795]
专题	工学院
推荐引用方式 GB/T 7714	Ma, Rui,Liu, Chongxuan,Greskowiak, Janek,et al. Influence of calcite on uranium(VI) reactive transport in the groundwater-river mixing zone[J]. 污染物水文学杂志,2014.
APA	Ma, Rui,Liu, Chongxuan,Greskowiak, Janek,Prommer, Henning,Zachara, John,&Zheng, Chunmiao.(2014).Influence of calcite on uranium(VI) reactive transport in the groundwater-river mixing zone.污染物水文学杂志.
MLA	Ma, Rui,et al."Influence of calcite on uranium(VI) reactive transport in the groundwater-river mixing zone".污染物水文学杂志 (2014).