Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2018WR023011 |
Identification of Pollutant Source for Super-Diffusion in Aquifers and Rivers with Bounded Domains | |
Zhang, Yong1,2; Sun, HongGuang1; Neupauer, Roseanna M.3; Straka, Peter4; Kelly, James F.5; Lu, Bingqing2; Zheng, Chunmiao6 | |
2018-09-01 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2018 |
卷号 | 54期号:9页码:7092-7108 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; USA; Australia |
英文摘要 | Backward models for super-diffusion in infinite domains have been developed to identify pollutant sources, while backward models for non-Fickian diffusion in bounded domains remain unknown. To restrict possible source locations and improve the accuracy of backward probabilities, this technical note develops the backward model for super-diffusion governed by the fractional-divergence advection-dispersion equation (FD-ADE) in bounded domains. The resultant backward model is the fractional-flux advection-dispersion equation (FF-ADE) with modified boundary conditions. In particular, the Dirichlet boundary condition in the forward FD-ADE becomes a spatial-nonlocal sink term in the backward FF-ADE (to account for preferential flow), while the nonlocal, non-zero-value Neumann (or Robin) boundary condition in the forward FD-ADE switches to the zero-value Robin (or Neumann) boundary condition in the backward FF-ADE (to eliminate pollutant source outside the domain). Field applications show that the backward location probability density function can approximate the point source location in a natural river or fluvial aquifer. The impact of reflective/absorbing boundaries and the upstream boundary location on the backward probability density function is also discussed. |
英文关键词 | backward model bounded domain super-diffusion fractional advection dispersion equation |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000448088100069 |
WOS关键词 | ADVECTION-DISPERSION EQUATION ; TRAVEL-TIME PROBABILITIES ; HETEROGENEOUS AQUIFER ; GROUNDWATER POLLUTION ; RELEASE HISTORY ; SOLUTE TRANSPORT ; SOURCE LOCATION ; MODEL ; FLOW ; ALGORITHM |
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/21035 |
专题 | 资源环境科学 |
作者单位 | 1.Hohai Univ, Coll Mech & Mat, State Key Lab Hydrol Water Resources & Hydraul En, Nanjing, Jiangsu, Peoples R China; 2.Univ Alabama, Dept Geol Sci, Tuscaloosa, AL USA; 3.Univ Colorado, Dept Civil Environm & Architectural Engn, Boulder, CO 80309 USA; 4.Univ New South Wales, Sch Math & Stat, Kensington, NSW, Australia; 5.Michigan State Univ, Dept Stat & Probabil, E Lansing, MI 48824 USA; 6.Southern Univ Sci & Technol, Sch Environm Sci & Engn, Guangdong Prov Key Lab Soil & Groundwater Pollut, Shenzhen, Guangdong, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Yong,Sun, HongGuang,Neupauer, Roseanna M.,et al. Identification of Pollutant Source for Super-Diffusion in Aquifers and Rivers with Bounded Domains[J]. WATER RESOURCES RESEARCH,2018,54(9):7092-7108. |
APA | Zhang, Yong.,Sun, HongGuang.,Neupauer, Roseanna M..,Straka, Peter.,Kelly, James F..,...&Zheng, Chunmiao.(2018).Identification of Pollutant Source for Super-Diffusion in Aquifers and Rivers with Bounded Domains.WATER RESOURCES RESEARCH,54(9),7092-7108. |
MLA | Zhang, Yong,et al."Identification of Pollutant Source for Super-Diffusion in Aquifers and Rivers with Bounded Domains".WATER RESOURCES RESEARCH 54.9(2018):7092-7108. |
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