Simulation and evaluation of groundwater seepage in contaminated sites:case study of TuoCheng County

doi:10.5846/STXB201012271852

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Simulation and evaluation of groundwater seepage in contaminated sites:case study of TuoCheng County

Journal Article•DOI•

Simulation and evaluation of groundwater seepage in contaminated sites:case study of TuoCheng County

吴以中 Wu Yizhong¹, 朱沁园 Zhu Qinyuan, 刘宁 Liu Ning, 陆根法 Lu Genfa, 戴明忠 Dai Mingzhong, 夏晶 Xia Jing - Show less +2 more•Institutions (1)

Nanjing Agricultural University¹

01 Jan 2012-Acta Ecologica Sinica-Vol. 32, Iss: 4, pp 1283-1292

TL;DR: Wang et al. as mentioned in this paper developed a concept model to describe local hydrogeology and a mathematical model to simulate the movement of groundwater flow, with additional data of regional industrial planning, pollution characteristics,soil and groundwater monitoring results, and correlations between groundwater pollution in contaminated sites and land use and development or local industrial layout.

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About: This article is published in Acta Ecologica Sinica.The article was published on 2012-01-01. It has received 5 citations till now. The article focuses on the topics: Groundwater pollution & Groundwater recharge.

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Journal Article•DOI•

3D interpolation of soil PAHs distribution in a coking contaminated site of China

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刘庚 Liu Geng, 毕如田 Bi Rutian, 权腾 Quan Teng, 李发生 Li Fasheng, 郭观林 Guo Guanlin - Show less +1 more

01 Jan 2014-Acta Ecologica Sinica

TL;DR: A large domestic coking contaminated site was selected, and four 3D interpolation models of Krig-3D,IDW-Shepard, IDW-( Franke /Nielson), and Nearest Neighbor were employed to compare their reliability and prediction uncertainty, and cross-validation testing indicated that the Krig -3D was more accurate in predicting the actual pollution situation.

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4 citations

Journal Article•

Three-dimensional digital simulating of groundwater flow of weigan river drainage area

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Chen Chong-xi

01 Jan 2004-Xinjiang Geology

TL;DR: In this article, the authors evaluated the groundwater resources in Weigan River drainage area using digital simulating method of three-dimensional groundwater flow with six-aquifer system, where data from hybrid well and hybrid observation borehole was processed using the model of "filtration-conduit flow coupling".

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Abstract: The groundwater resources in Weigan River drainage area was evaluated using digital simulating method of three-dimensional groundwater flow with six-aquifer system. Data from hybrid well and hybrid observation borehole was processed using the model of "filtration-conduit flow coupling". Data from the infiltrating of rivers and mefeoric water was processed using "filtration-lagging-supplying method". Data from the evaporation of ground water was processed using nonlinear correlation depicting the relation between evaporative intensity of ground water and the buried depth of groundwater. The initial hydraulic head of unknown aquifers determined by "initial hydraulic head-parameter iteration method" enhanced the simulation of the model and uplifted the precision of evaluating groundwater resources.

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2 citations

Journal Article•

The acquisition method of the nodes' elevation in hydrogeolgical numerical modeling

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Wang Wei

01 Jan 2003-Journal of Xi'an Engineering University

TL;DR: In this article, the Digital Elevation Model (DEM) is used to calculate the elevation of the nodes using a simple but effective method to obtain the required elevation of nodes using DEM.

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Abstract: In Hydrogeological Numerical Modeling, the elevation is very important for calculating of the evapotranspiration and the seepage face elevation and leakage in slope. It is also important for the analysis of environmental effect caused by extracting groundwater or artificial recharge. The Digital Elevation Model (DEM) can provide the needed elevations. In this paper, the author gives several methods to acquire the DEM and a simple but effective method to calculate the elevation of nodes using DEM.

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1 citations

Journal Article•

Method of Groundwater Numerical Model Simulation Based on GIS

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Huang Jiazhu

01 Jan 2004-Computer Engineering

TL;DR: The GIS-based technical route of model simulation from point, line and area is suggested, and the emendation and validation of simulation model are realized based on GIS.

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Abstract: On the basis of analyzing conditional simulation method of groundwater numerical model, the GIS-based technical route of model simulation from point, line and area is suggested, and the emendation and validation of simulation model are realized based on GIS

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1 citations

Journal Article•

Visual Environment in 3D for Groundwater Modeling

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Wu Qiang

01 Jan 2003-Computer Engineering

TL;DR: Following the various complex condition of groundwater numerical simulation, a space class hierarchy is abstracted, and a novel approach to constructing a macro/micro-topology is provided that can effectively construct groundwater modeling in 3D.

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Abstract: Following the various complex condition of groundwater numerical simulation, a space class hierarchy is abstracted, and a novel approach to constructing a macro/micro-topology is also provided. The macro-topology is built based on the relation between attribute structures, while the micro-topology is for the relation between isomorphic or isomerous geometric models. An optional triangulation algorithm presented here can powerfully generate finite element meshes. The methods designed above can effectively construct groundwater modeling in 3D. In addition, a 3D picking tool has been developed in GSS software for a friendly graphic interface.

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1 citations

References

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Journal Article•DOI•

Biological Integrity: A Long-Neglected Aspect of Water Resource Management

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James R. Karr

01 Feb 1991-Ecological Applications

TL;DR: Assessment of water resource quality by sampling biological communities in the field (ambient biological monitoring) is a promising approach that requires expanded use of ecological expertise and the Index of Biotic Integrity provides a broadly based, multiparameter tool for the assessment of biotic integrity in running waters.

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Abstract: Water of sufficient quality and quantity is critical to all life. Increasing human population and growth of technology require human society to devote more and more attention to protection of adequate supplies of water. Although perception of biological degradation stimulated current state and federal legislation on the quality of water resources, that biological focus was lost in the search for easily measured physical and chemical surrogates. The "fishable and swimmable" goal of the Water Pollution Control Act of 1972 (PL 92-500) and its charge to "restore and maintain" biotic integrity illustrate that law's biological underpinning. Further, the need for operational definitions of terms like "biological integrity" and "unreasonable degradation" and for ecologically sound tools to measure divergence from societal goals have increased interest in biological monitoring. Assessment of water resource quality by sampling biological communities in the field (ambient biological monitoring) is a promising approach that requires expanded use of ecological expertise. One such approach, the Index of Biotic Integrity (IBI), provides a broadly based, multiparameter tool for the assessment of biotic integrity in running waters. IBI based on fish community attributes has now been applied widely in North America. The success of IBI has stimulated the development of similar approaches using other aquatic taxa. Expanded use of ecological expertise in ambient biological monitoring is essential to the protection of water resources. Ecologists have the expertise to contribute significantly to those programs.

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1,494 citations

Journal Article•DOI•

Numerical simulation of the Noordbergum effect resulting from groundwater pumping in a layered aquifer system

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Jun Mo Kim¹, Richard R. Parizek¹•Institutions (1)

Pennsylvania State University¹

01 Dec 1997-Journal of Hydrology

TL;DR: In this paper, numerical simulations were carried out to investigate the so-called Noordbergum effect (i.e. reverse water-level fluctuation) resulting from groundwater withdrawal, which is caused by a faster mechanical propagation (deformation) of the pumping stress than its hydraulic propagation (drawdown) from the pumped aquifer into the adjacent aquitard and unpumped aquifer.

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88 citations

Journal Article•DOI•

Development and evaluation of a local grid refinement method for block-centered finite-difference groundwater models using shared nodes

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Steffen Mehl¹, Steffen Mehl², Mary C. Hill², Mary C. Hill¹•Institutions (2)

University of Colorado Boulder¹, United States Geological Survey²

01 May 2002-Advances in Water Resources

TL;DR: A new method of local grid refinement for two-dimensional block-centered finite-difference meshes using an iteration-based feedback with shared nodes to couple two separate grids in the context of steady-state groundwater-flow modeling exhibits quadratic convergence for homogenous systems and convergence equivalent to uniform-grid refinement for heterogeneous systems.

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76 citations

Journal Article•DOI•

Ground Water Modeling Applications Using the Analytic Element Method

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Randall J. Hunt¹•Institutions (1)

United States Geological Survey¹

01 Jan 2006-Ground Water

TL;DR: An overview of the general types of applications of analytic elements in ground water modeling is provided, covering areas where the method has been historically applied as well as more recent applications.

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Abstract: Though powerful and easy to use, applications of the analytic element method are not as widespread as finite-difference or finite-element models due in part to their relative youth. Although reviews that focus primarily on the mathematical development of the method have appeared in the literature, a systematic review of applications of the method is not available. An overview of the general types of applications of analytic elements in ground water modeling is provided in this paper. While not fully encompassing, the applications described here cover areas where the method has been historically applied (regional, two-dimensional steady-state models, analyses of ground water-surface water interaction, quick analyses and screening models, wellhead protection studies) as well as more recent applications (grid sensitivity analyses, estimating effective conductivity and dispersion in highly heterogeneous systems). The review of applications also illustrates areas where more method development is needed (three-dimensional and transient simulations).

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52 citations

Journal Article•DOI•

A note on how to avoid spurious oscillation in the finite-element solution of the unsaturated flow equation

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W.L. Wood¹•Institutions (1)

University of Reading¹

01 Mar 1996-Journal of Hydrology

TL;DR: In this paper, the Institute of Hydrology distributed model (IHDM) uses parallelogram finite elements for the solution of the unsaturated-saturated groundwater flow equation and explains why, in the results given in Calver and Wood (J. Hydrol., 110: 165-179, 1989), a particular mesh gave no spurious oscillation.

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7 citations

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