GSTDTAP  > 资源环境科学
DOI10.1002/2016WR020039
Radial solute transport in highly heterogeneous aquifers: Modeling and experimental comparison
Di Dato, Mariaines1; Fiori, Aldo2; de Barros, Felipe P. J.3; Bellin, Alberto1
2017-07-01
发表期刊WATER RESOURCES RESEARCH
ISSN0043-1397
EISSN1944-7973
出版年2017
卷号53期号:7
文章类型Article
语种英语
国家Italy; USA
英文摘要

We analyze solute transport in a radially converging 3-D flow field in a porous medium with spatially heterogeneous hydraulic conductivity (K). The aim of the paper is to analyze the impact of heterogeneity and the mode of injection on BreakThrough Curves (BTCs) detected at a well pumping a contaminated aquifer. The aquifer is conceptualized as an ensemble of blocks of uniform but contrasting K and the analysis makes use of the travel time approach. Despite the approximations introduced, the model reproduces a laboratory experiment without calibration of transport parameters. Our results also show excellent agreement with numerical simulations for different levels of heterogeneity. We focus on the impact on the BTC of both heterogeneity in K and solute release conditions. It is shown that the injection mode matters, and the differences in the BTCs between uniform and flux-proportional injection increase with the heterogeneity of the K-field. Furthermore, we study the effect of heterogeneity and mode of injection on early and late arrivals at the well.


领域资源环境
收录类别SCI-E
WOS记录号WOS:000407895000030
WOS关键词FLOW TRACER TESTS ; SCALE-DEPENDENT DISPERSION ; GOOD STATISTICAL-MODELS ; MASS-TRANSFER PROCESSES ; HUMAN HEALTH-RISK ; POROUS-MEDIA ; SPATIAL MOMENTS ; PUMPING TESTS ; 3-DIMENSIONAL AQUIFERS ; HYDRAULIC CONDUCTIVITY
WOS类目Environmental Sciences ; Limnology ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/20137
专题资源环境科学
作者单位1.Univ Trento, Dept Civil Environm & Mech Engn, Trento, Italy;
2.Roma Tre Univ, Dipartimento Ingn, Rome, Italy;
3.Univ Southern Calif, Sonny Astani Dept Civil & Environm Engn, Los Angeles, CA USA
推荐引用方式
GB/T 7714
Di Dato, Mariaines,Fiori, Aldo,de Barros, Felipe P. J.,et al. Radial solute transport in highly heterogeneous aquifers: Modeling and experimental comparison[J]. WATER RESOURCES RESEARCH,2017,53(7).
APA Di Dato, Mariaines,Fiori, Aldo,de Barros, Felipe P. J.,&Bellin, Alberto.(2017).Radial solute transport in highly heterogeneous aquifers: Modeling and experimental comparison.WATER RESOURCES RESEARCH,53(7).
MLA Di Dato, Mariaines,et al."Radial solute transport in highly heterogeneous aquifers: Modeling and experimental comparison".WATER RESOURCES RESEARCH 53.7(2017).
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