Topic
MODFLOW
About: MODFLOW is a research topic. Over the lifetime, 1851 publications have been published within this topic receiving 33300 citations.
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TL;DR: 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.
3,298 citations
01 Jan 2000
TL;DR: In this paper, the authors propose a method to solve the problem of homonymity in homonym identification, i.e., homonym-of-individuals-with-groups.
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2,449 citations
TL;DR: In this article, the authors propose a novel approach to solve the problem of homonymity in homophily, and propose a solution to the problem: homophysphysics.
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1,518 citations
Book•
25 Dec 1991
TL;DR: This second edition is extensively revised throughout with expanded discussion of modeling fundamentals and coverage of advances in model calibration and uncertainty analysis that are revolutionizing the science of groundwater modeling.
Abstract: This second edition is extensively revised throughout with expanded discussion of modeling fundamentals and coverage of advances in model calibration and uncertainty analysis that are revolutionizing the science of groundwater modeling. The text is intended for undergraduate and graduate level courses in applied groundwater modeling and as a comprehensive reference for environmental consultants and scientists/engineers in industry and governmental agencies. * Explains how to formulate a conceptual model of a groundwater system and translate it into a numerical model * Demonstrates how modeling concepts, including boundary conditions, are implemented in two groundwater flow codes-- MODFLOW (for finite differences) and FEFLOW (for finite elements) * Discusses particle tracking methods and codes for flowpath analysis and advective transport of contaminants * Summarizes parameter estimation and uncertainty analysis approaches using the code PEST to illustrate how concepts are implemented * Discusses modeling ethics and preparation of the modeling report * Includes Boxes that amplify and supplement topics covered in the text * Each chapter presents lists of common modeling errors and problem sets that illustrate concepts
1,047 citations
TL;DR: In this article, the authors evaluate two different equivalent porous media approaches: lumped and distributed parameter, for simulating regional groundwater flow in a karst aquifer and to evaluate the adequacy of these approaches.
392 citations