A modular three-dimensional finite-difference ground-water flow model
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A computer program for simulating ground-water flow in three dimensions by using a block-centered finite-difference approach and has a modular structure, which permits the addition of new packages to the program without modifying existing packages.Abstract:
A computer program for simulating ground-water flow in three dimensions is presented. This report includes detailed explanations of physical and mathematical concepts on which the model is developed. Ground-water flow within the aquifer is simulated by using a block-centered finite-difference approach. The program is written in Fortran 77 and has a modular structure, which permits the addition of new packages to the program without modifying existing packages.read more
Citations
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Modeling climate change impacts – and uncertainty – on the hydrology of a riparian system: The San Pedro Basin (Arizona/Sonora)
Aleix Serrat-Capdevila,Juan B. Valdés,Javier González Pérez,Kate Baird,Luis J. Mata,Thomas Maddock +5 more
TL;DR: In this paper, an assessment of climate change impacts in the water resources of a semi-arid basin in southeastern Arizona and northern Sonora is presented using results from an ensemble of 17 global circulation models (GCMs) and four different climate change scenarios from the Intergovernmental Panel on Climate Change (IPCC).
Journal ArticleDOI
An integrated modelling framework for regulated river systems
Wendy D. Welsh,Jai Vaze,Dushmanta Dutta,David Rassam,Joel Rahman,I. D. Jolly,Peter Wallbrink,Geoffrey M. Podger,Matthew Bethune,Matthew J. Hardy,Jin Teng,Julien Lerat +11 more
TL;DR: The Source IMS is an integrated modelling environment containing algorithms and approaches that allow defensible predictions of water flow and constituents from catchment sources to river outlets at the sea, designed and developed to underpin a wide range of water planning and management purposes.
Journal ArticleDOI
Management of coastal aquifers based on nonlinear optimization and evolutionary algorithms
TL;DR: In this article, a method of assessing the optimum pumping rates of coastal aquifers based on nonlinear optimization and evolutionary algorithms (EA) was developed to maximize the total pumping rate while protecting the wells from sea water intrusion.
Journal ArticleDOI
Heterogeneity patterns of Quaternary glaciofluvial gravel bodies (SW-Germany): application to hydrogeology
TL;DR: In this paper, outcrop analogues of glaciofluvial gravel-bed deposits are used for a process-based analysis of sedimentary heterogeneities, which in turn are transformed into hydraulic parameters.
Journal ArticleDOI
Groundwater Inflow Measurements in Wetland Systems
TL;DR: In this paper, groundwater inflows were estimated in wetlands in southwestern Wisconsin using traditional Darcy's law calculations and three independent methods that included stable isotope mass balances, temperature profile modeling, and numerical water balance modeling techniques.
References
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Journal ArticleDOI
Applied Numerical Analysis. By C.F. Gerald. Pp. xii, 340. £3·60. 1970. (Addison-Wesley.)
Book
Finite Element Simulation in Surface and Subsurface Hydrology
George F. Pinder,William G. Gray +1 more
Book
Methods for the Numerical Solution of Partial Differential Equations
Von Rosenberg,U Dale +1 more
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