Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020WR027786 |
Effects of River Partial Penetration on the Occurrence of Riparian Freshwater Lenses: Theoretical Development | |
Amir Jazayeri; Adrian D. Werner; Huiqiang Wu; Chunhui Lu | |
2020-09-15 | |
发表期刊 | Water Resources Research
![]() |
出版年 | 2020 |
英文摘要 | Previous studies of freshwater lenses in saline aquifers adjoining gaining rivers (“riparian lenses”) have so far considered only rivers that fully penetrate the aquifer, whereas in most cases, rivers are only partially penetrating. This paper presents a new methodology for obtaining the saltwater discharge and the shape of a steady‐state, non‐dispersive riparian lens, where the river is partially penetrating, combining two previous analytical solutions. The resulting analytical solution is compared to numerical modeling results to assess assumptions and the methodology adopted to approximate the “turning effect”, which is the change in groundwater flow direction (horizontal to vertical) near the partially penetrating river. Model parameters were taken from previous studies, representing simplified conditions in the River Murray floodplains (Australia). Consistency between analytical and numerical results and field observations highlight the capability of the proposed analytical solution to predict the riparian lens geometry and saltwater discharge into partially penetrating rivers. Sensitivity analysis indicates that larger riparian lenses are produced adjacent to the deeper and wider rivers, as expected. The change in width or depth of the river has more influence on the saltwater discharge and the horizontal extent of the riparian lens (and less effect on the vertical extent of the lens adjacent to the river) for shallower and narrower rivers. This research highlights the utility of the new method and demonstrates that the assumption of a fully penetrating river likely leads to significant overestimation of the saltwater discharge to the river and the riparian lens horizontal extent and vertical depth. |
领域 | 资源环境 |
URL | 查看原文 |
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/295353 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | Amir Jazayeri,Adrian D. Werner,Huiqiang Wu,et al. Effects of River Partial Penetration on the Occurrence of Riparian Freshwater Lenses: Theoretical Development[J]. Water Resources Research,2020. |
APA | Amir Jazayeri,Adrian D. Werner,Huiqiang Wu,&Chunhui Lu.(2020).Effects of River Partial Penetration on the Occurrence of Riparian Freshwater Lenses: Theoretical Development.Water Resources Research. |
MLA | Amir Jazayeri,et al."Effects of River Partial Penetration on the Occurrence of Riparian Freshwater Lenses: Theoretical Development".Water Resources Research (2020). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论