Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2018WR023070 |
Appropriate Boundary Condition for Dupuit-Boussinesq Theory on the Steady Groundwater Flow in an Unconfined Sloping Aquifer With Uniform Recharge | |
Wu, Ying-Hsin; Sayama, Takahiro; Nakakita, Eiichi | |
2018-09-01 | |
发表期刊 | WATER RESOURCES RESEARCH
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ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2018 |
卷号 | 54期号:9页码:5933-5947 |
文章类型 | Article |
语种 | 英语 |
国家 | Japan |
英文摘要 | The application of Dupuit-Boussinesq theory on the two-dimensional steady groundwater flow in an unconfined sloping aquifer with uniform recharge is theoretically investigated. The examination of conditions at the downstream and upstream is performed. The method of phase plane is used to geometrically interpret the characteristics of the nonlinear theory by various initial conditions. For phase portrait analysis, three configurations for aquifers are considered. In each type of aquifer three conditions of recharges as well as downstream groundwater tables are also considered for comprehensive analysis. Based on the phase portrait analysis, one explicit formula in terms of known parameters and downstream boundary condition is derived to easily and straightforwardly determine an appropriate upstream boundary condition. The derived explicit formula can facilitate correct modeling using Boussinesq theory. |
英文关键词 | hillslope hydrology unconfined aquifer rainfall recharge Dupuit-Boussinesq theory phase plane method |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000448088100005 |
WOS关键词 | GRAVITY CURRENTS ; OVERLAND-FLOW ; EQUATION ; APPROXIMATION ; DRAINAGE ; MODELS ; PLANE |
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/21977 |
专题 | 资源环境科学 |
作者单位 | Kyoto Univ, Disaster Prevent Res Inst, Uji, Kyoto, Japan |
推荐引用方式 GB/T 7714 | Wu, Ying-Hsin,Sayama, Takahiro,Nakakita, Eiichi. Appropriate Boundary Condition for Dupuit-Boussinesq Theory on the Steady Groundwater Flow in an Unconfined Sloping Aquifer With Uniform Recharge[J]. WATER RESOURCES RESEARCH,2018,54(9):5933-5947. |
APA | Wu, Ying-Hsin,Sayama, Takahiro,&Nakakita, Eiichi.(2018).Appropriate Boundary Condition for Dupuit-Boussinesq Theory on the Steady Groundwater Flow in an Unconfined Sloping Aquifer With Uniform Recharge.WATER RESOURCES RESEARCH,54(9),5933-5947. |
MLA | Wu, Ying-Hsin,et al."Appropriate Boundary Condition for Dupuit-Boussinesq Theory on the Steady Groundwater Flow in an Unconfined Sloping Aquifer With Uniform Recharge".WATER RESOURCES RESEARCH 54.9(2018):5933-5947. |
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