干旱区生态环境知识资源中心(Arid): Expanding Freshwater Lenses Adjacent to Gaining Rivers Through Vertical Low-Hydraulic-Conductivity Barriers: Analytical and Experimental Validation

Arid

DOI	10.1029/2019WR025750
	Expanding Freshwater Lenses Adjacent to Gaining Rivers Through Vertical Low-Hydraulic-Conductivity Barriers: Analytical and Experimental Validation
	Wu, Huiqiang; Lu, Chunhui; Yan, Min; Werner, Adrian D.
通讯作者	Lu, CH
来源期刊	WATER RESOURCES RESEARCH
ISSN	0043-1397
EISSN	1944-7973
出版年	2020
卷号	56 期号:2
英文摘要	Freshwater lenses within riparian zones of some arid and semiarid settings assist in maintaining the health of riparian ecosystems. We propose an approach for expanding freshwater lenses in saline aquifers adjacent to gaining rivers through the addition of a vertical barrier of low-hydraulic-conductivity (low-K) parallel to the river bank. Sharp-interface analytical solutions for the lens shape and water table distribution are developed to examine the effectiveness of the proposed method and are verified using sand tank experiments and numerical simulations. The sensitivity analysis is used to apply the method to parameters typical of the Lower River Murray (South Australia) and its floodplain aquifers. The results show that the barrier can create significant freshwater lenses in head-controlled systems, whereas the barrier may lead to lens shrinkage in flux-controlled systems due to saline water table rise. That is, the effectiveness of the barrier is highly dependent on the inland boundary condition. The analytical solution presented herein can be used to efficiently predict the riparian freshwater lens extent in response to engineered barriers, adding to existing techniques for studying and modifying riparian freshwater lenses.
英文关键词	riparian lens low-K barrier analytical solution sand tank experiment
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000535672800039
WOS关键词	SALT INTERCEPTION MEASURE ; SEA-LEVEL RISE ; SEAWATER INTRUSION ; MURRAY BASIN ; GROUNDWATER ; SALINIZATION ; IMPACTS ; TRANSPORT ; AQUIFER ; FLOW
WOS类目	Environmental Sciences ; Limnology ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
来源机构	河海大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/324540
作者单位	[Wu, Huiqiang; Lu, Chunhui; Yan, Min] Hohai Univ, State Key Lab Hydrol Water Resources & Hydraul En, Nanjing, Peoples R China; [Wu, Huiqiang; Lu, Chunhui; Yan, Min] Hohai Univ, Yangtze Inst Conservat & Dev, Nanjing, Peoples R China; [Werner, Adrian D.] Flinders Univ S Australia, Coll Sci & Engn, GPO Box 2100, Adelaide, SA 5001, Australia; [Werner, Adrian D.] Flinders Univ S Australia, Natl Ctr Groundwater Res & Training, GPO Box 2100, Adelaide, SA 5001, Australia
推荐引用方式 GB/T 7714	Wu, Huiqiang,Lu, Chunhui,Yan, Min,et al. Expanding Freshwater Lenses Adjacent to Gaining Rivers Through Vertical Low-Hydraulic-Conductivity Barriers: Analytical and Experimental Validation[J]. 河海大学,2020,56(2).
APA	Wu, Huiqiang,Lu, Chunhui,Yan, Min,&Werner, Adrian D..(2020).Expanding Freshwater Lenses Adjacent to Gaining Rivers Through Vertical Low-Hydraulic-Conductivity Barriers: Analytical and Experimental Validation.WATER RESOURCES RESEARCH,56(2).
MLA	Wu, Huiqiang,et al."Expanding Freshwater Lenses Adjacent to Gaining Rivers Through Vertical Low-Hydraulic-Conductivity Barriers: Analytical and Experimental Validation".WATER RESOURCES RESEARCH 56.2(2020).