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Estimation Of Aquifer Parameters Using Different Models
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Book Synopsis Estimation of Aquifer Parameters Using Different Models by : Pravin Dahiphale
Download or read book Estimation of Aquifer Parameters Using Different Models written by Pravin Dahiphale and published by LAP Lambert Academic Publishing. This book was released on 2014-02 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides various models used for the estimation of aquifer parameters.This book will be helpful to groundwater researcher for identifying artificial recharge sites and give necessary information for quantitative groundwater studies.This book also helpful for students and researchers for estimation of aquifer parameters for the groundwater management studies.This book will be useful for the groundwater flow modelling studies.
Book Synopsis Aquifer Test Modeling by : William C. Walton
Download or read book Aquifer Test Modeling written by William C. Walton and published by CRC Press. This book was released on 2006-11-15 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recognition of the trend toward using numerical methdos for analyzing aquifer test data, Aquifer Test Modeling delineates the application of numerical Laplace inversion analytical equations and numerical models and demonstrates the use of public domain software. Written by a leading expert with over fifty years of experience, this highly practical text provides a thorough grounding in the terms and methods employed in aquifer test modeling, while also establishing a protocol for organizing and simplifying conceptual model definition and data analysis. Using graphs, tables, and sample datasets to enhance understanding, the author delineates the five major steps involved in the aquifer test modeling process. He discusses the importance of the conceptual model definition as a framework for organizing, simplifying, and idealizing information. The chapters cover the selection of appropriate aquifer test mathematical model equations compatible with previously defined conceptual models and highlight the importance of reviewing the mathematical assumption and the adjustment of data for any departures. They also explain format selection, technique selection, well function or drawdown calculation, and calibration. The book provides five sample data sets to assist the reader in becoming familiar with WTAQ and MODFLOW aquifer test modeling input and output data file contents with confined nonleaky and unconfined aquifer conditions. It includes conceptual models consisting of abbreviated descriptions of aquifer test facilities, aquifer test data, and aquifer parameter values together with selected sample file sets. These are just a few of the features that make the book a valuable tool for estimating the supply and contamination characteristics of aquifers.
Book Synopsis Parameter Estimation and Uncertainty Quantification in Water Resources Modeling by : Philippe Renard
Download or read book Parameter Estimation and Uncertainty Quantification in Water Resources Modeling written by Philippe Renard and published by Frontiers Media SA. This book was released on 2020-04-22 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical models of flow and transport processes are heavily employed in the fields of surface, soil, and groundwater hydrology. They are used to interpret field observations, analyze complex and coupled processes, or to support decision making related to large societal issues such as the water-energy nexus or sustainable water management and food production. Parameter estimation and uncertainty quantification are two key features of modern science-based predictions. When applied to water resources, these tasks must cope with many degrees of freedom and large datasets. Both are challenging and require novel theoretical and computational approaches to handle complex models with large number of unknown parameters.
Book Synopsis Optimal Estimation of Aquifer Parameters Integrated with the Design of Monitoring Well Networks by : Miguel A. Marino
Download or read book Optimal Estimation of Aquifer Parameters Integrated with the Design of Monitoring Well Networks written by Miguel A. Marino and published by . This book was released on 1990 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Groundwater Model Parameter Estimation with Simultaneous and Sequential Use of Hydraulic Head and Travel Time Measurements by : Mohsen Kheirabadi
Download or read book Groundwater Model Parameter Estimation with Simultaneous and Sequential Use of Hydraulic Head and Travel Time Measurements written by Mohsen Kheirabadi and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This study is an effort to investigate two parameter estimation approaches in groundwater modeling, sequential and combined. Most researches imply that simultaneous use of flow and transport observations would be more beneficial in parameter estimation, however some other researchers rise questions about this approach. They believe due to the differing geological properties of aquifers and consequently differing mathematical basis of groundwater flow compared to transport simultaneous use of different observations might not be useful in every cases. Despite the fact that parameter estimation or inverse modeling is not a new method in groundwater modeling, most modelers tend to use forward modeling to estimate parameters. In this research a synthetic heterogeneous K-field is created using SGeMS Sequential Gaussian Simulation. This K-field, derived zones of porosity and defined boundary conditions make our simulated confined aquifer. The model synthetic observations obtained from forward models MODFLOW and MODPATH, are used in the process of parameter estimation using PEST++. In order to have a better look at the model and find its weak points, different scenarios have been defined. Applying the principle of parsimony, difficulties have been added gradually in each scenario for the model. The sequential approach performs two calibrations: a flow calibration using head observations followed by the transport calibration using travel time observations. Both sets of observations are applied simultaneously in a single calibration run in the combined approach. Although, comparing estimated parameters with the initial synthetic reality values shows the better modeled results for both hydraulic conductivity and porosity while we apply combined approach. However time-cost along with difficulties to find a best weighs in combined approach imply that these differences are not significant.
Book Synopsis Estimation of Aquifer Hydraulic Properties by Inverse Numerical Modeling of Aquifer Pumping Tests by : American Society of Civil Engineers
Download or read book Estimation of Aquifer Hydraulic Properties by Inverse Numerical Modeling of Aquifer Pumping Tests written by American Society of Civil Engineers and published by . This book was released on 2020-04-03 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: ANSI/ASCE/EWRI 70-19 provides guidelines for estimating the hydraulic properties of groundwater systems by inverse numerical modeling of aquifer pumping tests.
Book Synopsis Time-series Analysis to Estimate Aquifer Parameters, Recharge, and Changes in the Groundwater Regime by :
Download or read book Time-series Analysis to Estimate Aquifer Parameters, Recharge, and Changes in the Groundwater Regime written by and published by . This book was released on 2020 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this thesis is twofold: develop time series analysis methods for the estimation of aquifer parameters and recharge to be used in groundwater models, and develop time series analysis methods for the identification and quantification of a regime change.
Download or read book Groundwater Updates written by K. Sato and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater is essential to life and to maintaining Earth's water cycle. In the face of growing threats to this invaluable resource, recent advances in research and analysis - notably in numerical simulation and data processing with computers - are bringing rapid changes in dynamic methodology for groundwater management and modeling. This book contains the latest updates from the field of groundwater science and engineering, organized around five major topics: Optimization of groundwater resources in basins, Groundwater pollution and remediation technologies, Underground development and groundwater technologies, Interaction between surface and subsurface water, and Reliability of numerical methods and scaling in geohydraulics. This collection of more than 80 papers by leading specialists provides a valuable source of information for researchers, engineers, and students in the field of groundwater resources and management.
Download or read book OASIS written by Charles J. Newell and published by . This book was released on 1990 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Model Calibration and Parameter Estimation by : Ne-Zheng Sun
Download or read book Model Calibration and Parameter Estimation written by Ne-Zheng Sun and published by Springer. This book was released on 2015-07-01 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt: This three-part book provides a comprehensive and systematic introduction to these challenging topics such as model calibration, parameter estimation, reliability assessment, and data collection design. Part 1 covers the classical inverse problem for parameter estimation in both deterministic and statistical frameworks, Part 2 is dedicated to system identification, hyperparameter estimation, and model dimension reduction, and Part 3 considers how to collect data and construct reliable models for prediction and decision-making. For the first time, topics such as multiscale inversion, stochastic field parameterization, level set method, machine learning, global sensitivity analysis, data assimilation, model uncertainty quantification, robust design, and goal-oriented modeling, are systematically described and summarized in a single book from the perspective of model inversion, and elucidated with numerical examples from environmental and water resources modeling. Readers of this book will not only learn basic concepts and methods for simple parameter estimation, but also get familiar with advanced methods for modeling complex systems. Algorithms for mathematical tools used in this book, such as numerical optimization, automatic differentiation, adaptive parameterization, hierarchical Bayesian, metamodeling, Markov chain Monte Carlo, are covered in details. This book can be used as a reference for graduate and upper level undergraduate students majoring in environmental engineering, hydrology, and geosciences. It also serves as an essential reference book for professionals such as petroleum engineers, mining engineers, chemists, mechanical engineers, biologists, biology and medical engineering, applied mathematicians, and others who perform mathematical modeling.
Book Synopsis A Modular Three-dimensional Finite-difference Ground-water Flow Model by : Michael G. McDonald
Download or read book A Modular Three-dimensional Finite-difference Ground-water Flow Model written by Michael G. McDonald and published by . This book was released on 1984 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimation of Aquifer Parameters for Use in the Analytic Element Method by : Barry Power
Download or read book Estimation of Aquifer Parameters for Use in the Analytic Element Method written by Barry Power and published by . This book was released on 1990 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aquifer Parameter Estimation from Aquifer Tests and Specific-caoacity Data in Cedar Valley and the Cedar Pass Area, Utah County, Utah by : Juliette Lucy Jordan
Download or read book Aquifer Parameter Estimation from Aquifer Tests and Specific-caoacity Data in Cedar Valley and the Cedar Pass Area, Utah County, Utah written by Juliette Lucy Jordan and published by Utah Geological Survey. This book was released on 2013 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 53-page report details aquifer parameter estimation in and near Cedar Valley, west of Utah Lake and the Lake Mountains, in Utah County, Utah. The UGS conducted five aquifer tests on the two most important aquifers in the study area-the principal basin-fill aquifer and the fractured-bedrock aquifer. The aquifer tests on bedrock wells are of particular interest because of the importance of the bedrock groundwater resource in the Cedar Pass area, where surface water and groundwater are scarce. The tests reveal valuable information about the interface between the basin-fill and bedrock aquifers, a key path for groundwater discharge from the Cedar Valley groundwater basin. Aquifer test analysis was combined with re-analysis of existing aquifer-test data and specific-capacity data from well logs to determine a range of hydraulic conductivity, transmissivity, and storativity for the aquifers. Anisotropy was identified in both the basin-fill and bedrock aquifers, and the bedrock aquifer was found to be bounded by semi-permeable aquifer boundaries; a wedge of Tertiary volcanic rock and buried faults are the likely barriers to groundwater flow near Cedar Pass.
Book Synopsis Analysis and Evaluation of Pumping Test Data by : G. P. Kruseman
Download or read book Analysis and Evaluation of Pumping Test Data written by G. P. Kruseman and published by . This book was released on 1990 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis APE Hydrogeologic Toolbox by : Michael Kasenow
Download or read book APE Hydrogeologic Toolbox written by Michael Kasenow and published by . This book was released on 1997 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Determination of Aquifer Parameters Using Regression Analysis by : Michael Kasenow
Download or read book Determination of Aquifer Parameters Using Regression Analysis written by Michael Kasenow and published by Water Resources Publications, LLC. This book was released on 1998-01-01 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introduction to Aquifer Analysis by : Michael Kasenow
Download or read book Introduction to Aquifer Analysis written by Michael Kasenow and published by Water Resources Publication. This book was released on 1997 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
