ISL OpenIR  > 青海盐湖研究所知识仓储
Effects of source size, monitoring distance and aquifer heterogeneity on contaminant mass discharge and plume spread uncertainty
Cao, Guangzhu1; Qin, Ronggao1,2; Wu, Yanqing2; Wu, Jun3,4; Xu, Zengguang5; Zhang, Chi2
2018-04-01
Source PublicationENVIRONMENTAL FLUID MECHANICS
Volume18Issue:2Pages:465-486
SubtypeArticle
AbstractEstimating the movement of dissolved contaminants in heterogeneous aquifers is very important for the monitoring design, risk assessment, and remediation of contaminated aquifers. This work explored the influence of source size, monitoring distance, and aquifer heterogeneity on the accuracy of contaminant mass discharge (CMD) estimation using leaching surface approach as well as on the plume spread uncertainty in a 2-D heterogeneous aquifer. The interaction among source size, monitoring distance, and aquifer heterogeneity regarding the accuracy of CMD estimation and the plume spread uncertainty at downstream of the contaminated aquifer was extensively investigated. The transient leaking of a contaminated aquifer in a saturated heterogeneous aquifer under steady-state flow conditions was simulated. The effect of aquifer heterogeneity on the CMD uncertainty was evaluated through the expected values and variance. The results showed that the CMD estimation error varied from underestimation in the mildly heterogeneous aquifer, over accurate estimation in the medium heterogeneous aquifer to overestimation in the highly heterogeneous aquifer. Additionally, the results illustrated that the mean and variance of the transverse spatial extent of the peak concentrations for the plume at the control plane were very sensitive to the aquifer heterogeneity and detectable concentrations of contaminants.
KeywordHeterogeneous Aquifer Groundwater Monitoring Contaminant Plume Leaching Surface Numerical Simulation
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology ; Physical Sciences
WOS KeywordGRADIENT TRACER TEST ; POROUS-MEDIA ; SOLUTE TRANSPORT ; HYDRAULIC CONDUCTIVITY ; CAPE-COD ; DISPERSION ; SCALE ; SAND ; FLOW ; MACRODISPERSION
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Mechanics ; Meteorology & Atmospheric Sciences ; Oceanography ; Water Resources
WOS SubjectEnvironmental Sciences ; Mechanics ; Meteorology & Atmospheric Sciences ; Oceanography ; Water Resources
WOS IDWOS:000429374800007
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6448
Collection青海盐湖研究所知识仓储
盐湖地质与环境实验室
Affiliation1.Kunming Univ Sci & Technol, Fac Land Resource Engn, Kunming 650093, Yunnan, Peoples R China
2.Shanghai Jiao Tong Univ, Sch Environm Sci & Engn, 800 Dongchuan Rd, Shanghai 200240, Peoples R China
3.Chinese Acad Sci, Qinghai Inst Salt Lakes, 18 Xingning Rd, Xining 810008, Qinghai, Peoples R China
4.Univ Florida, IFAS, IRREC, 2199 South Rock Rd, Ft Pierce, FL 34945 USA
5.Xian Univ Technol, Inst Water Resources & Hydroelect Engn, 5 South Jinhua Rd, Xian 710048, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Cao, Guangzhu,Qin, Ronggao,Wu, Yanqing,et al. Effects of source size, monitoring distance and aquifer heterogeneity on contaminant mass discharge and plume spread uncertainty[J]. ENVIRONMENTAL FLUID MECHANICS,2018,18(2):465-486.
APA Cao, Guangzhu,Qin, Ronggao,Wu, Yanqing,Wu, Jun,Xu, Zengguang,&Zhang, Chi.(2018).Effects of source size, monitoring distance and aquifer heterogeneity on contaminant mass discharge and plume spread uncertainty.ENVIRONMENTAL FLUID MECHANICS,18(2),465-486.
MLA Cao, Guangzhu,et al."Effects of source size, monitoring distance and aquifer heterogeneity on contaminant mass discharge and plume spread uncertainty".ENVIRONMENTAL FLUID MECHANICS 18.2(2018):465-486.
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