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DOI | 10.1029/2019WR025631 |
Three-Dimensional Hydrochemical Model for Dissolutional Growth of Fractures in Karst Aquifers | |
Li, Sanbai1; Kang, Zhijiang2; Peng, Xia-Ting1; Pan, Zhejun3; Huang, Xiaote2; Zhang, Dongxiao4 | |
2020-03-01 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2020 |
卷号 | 56期号:3 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; Australia |
英文摘要 | This paper is intended to present a newly developed, comprehensive model to understand hydrochemical behaviors related to dissolutional growth of complex fractures underground. Under a fully implicit solution framework, the finite volume approach is employed to solve the reactive-convective-dispersive system. Based on the embedded discrete fracture model, a novel modeling approach is proposed to describe dissolutional fractures with various apertures in three dimensions (3-D). This model is verified against preexisting numerical models. Then, a 3-D field case study regarding hypogene speleogenesis in a deep-seated, artesian setting is carried out, based on field data concerning karst terrain compiled from Western Ukraine. Finally, we perform a case study to elucidate the finger-like dissolution process related to a synthetic 3-D fracture network in gypsum and limestone with heterogeneous aperture fields. Simulation results suggest that (a) the combination of the kinetic trigger mechanism and the transverse speleogenesis concept favors the generation of hierarchical caves in homogeneous fractures; (b) the mechanism of reactive infiltration instabilities determines dissolutional propagation in gypsum with rough fractures; and (c) in limestone, nonlinear kinetics matters for both uniform- and variable-aperture fractures. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000538000800025 |
WOS关键词 | APERTURE VARIABILITY ; MASS-TRANSFER ; FLOW ; SIMULATION ; RESERVOIR ; EVOLUTION ; PERMEABILITY ; LIMESTONE ; KINETICS ; REGION |
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/280587 |
专题 | 资源环境科学 |
作者单位 | 1.Northeastern Univ, Minist Educ Safe Min Deep Met Mines, Key Lab, Shenyang, Peoples R China; 2.SINOPEC Petr Explorat & Prod Res Corp, Beijing, Peoples R China; 3.CSIRO Energy, Clayton, Vic, Australia; 4.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Shenzhen, Peoples R China |
推荐引用方式 GB/T 7714 | Li, Sanbai,Kang, Zhijiang,Peng, Xia-Ting,et al. Three-Dimensional Hydrochemical Model for Dissolutional Growth of Fractures in Karst Aquifers[J]. WATER RESOURCES RESEARCH,2020,56(3). |
APA | Li, Sanbai,Kang, Zhijiang,Peng, Xia-Ting,Pan, Zhejun,Huang, Xiaote,&Zhang, Dongxiao.(2020).Three-Dimensional Hydrochemical Model for Dissolutional Growth of Fractures in Karst Aquifers.WATER RESOURCES RESEARCH,56(3). |
MLA | Li, Sanbai,et al."Three-Dimensional Hydrochemical Model for Dissolutional Growth of Fractures in Karst Aquifers".WATER RESOURCES RESEARCH 56.3(2020). |
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