Characterizing Groundwater Recharge

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Characterizing Groundwater Recharge

Author : J. Moran
Publisher : IWA Publishing
ISBN 13 : 1843398494
Total Pages : 228 pages
Book Rating : 4.8/5 (433 download)

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Book Synopsis Characterizing Groundwater Recharge by : J. Moran

Download or read book Characterizing Groundwater Recharge written by J. Moran and published by IWA Publishing. This book was released on 2004-01-01 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the project was to demonstrate the value of age-dating and isotopic tracers in characterizing the flow dynamics and water quality changes in a complex groundwater domain that includes high capacity municipal pumping wells, a geologic fault, and artificial recharge facilities with deep lake-like recharge ponds. Characterizing water quality changes during recharge and transport in groundwater was also an objective of this investigation. Below (west of) the Hayward Fault (BHF), water ages correlated well with aquifer layer sequence. BHF tracers did not reach the BHF wellfield within the time frame of the experiment. Above (east of) the fault, (AHF) tracers reached the targeted wellfield in only 60 days, indicating substantial heterogeneity and a fast travel time along preferential pathways compared to the average travel time of 2+ years indicated by age-dating and more classical estimating methods. A reconnaissance of water quality, conducted concurrently with the tracer studies, suggested certain water quality improvements occurring in either the pond sediment or the near-pond aquifer media. Variations in groundwater age depended on location and depth. A survey of natural isotopes indicated mixing of young and older water in wells, increasing age with depth of aquifer layer, and possible dissolution of carbonate minerals. AHF tracer experiments, along with other analysis, suggested that tracers probably percolated preferentially at shallow depths in the pond near the shoreline. Much of the tracer remained in deep pond water over time, increasing residence time in down-gradient wells. The tracer studies provided evidence of preferential pathways and heterogeneity in the AHF aquifer and a fast minimum travel time to the AHF wellfield. The tracer added to BHF ponds was detected in just two monitoring wells, but not at the BHF wellfield over the 10-month period. An AHF tracer from a small pond spanning the fault did, however, appear at the BHF wellfield. BHF pond water flows mainly to distal portions of the groundwater basin, or reaches the wellfield over a slow, circuitous route. Originally published by AwwaRF for its subscribers in 2003 This publication can also be purchased and downloaded via Pay Per View on Water Intelligence Online - click on the Pay Per View icon below

Aquifer Characterization Techniques

Author : Robert G. Maliva
Publisher : Springer
ISBN 13 : 3319321374
Total Pages : 632 pages
Book Rating : 4.3/5 (193 download)

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Book Synopsis Aquifer Characterization Techniques by : Robert G. Maliva

Download or read book Aquifer Characterization Techniques written by Robert G. Maliva and published by Springer. This book was released on 2016-05-26 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an overview of techniques that are available to characterize sedimentary aquifers. Groundwater flow and solute transport are strongly affected by aquifer heterogeneity. Improved aquifer characterization can allow for a better conceptual understanding of aquifer systems, which can lead to more accurate groundwater models and successful water management solutions, such as contaminant remediation and managed aquifer recharge systems. This book has an applied perspective in that it considers the practicality of techniques for actual groundwater management and development projects in terms of costs, technical resources and expertise required, and investigation time. A discussion of the geological causes, types, and scales of aquifer heterogeneity is first provided. Aquifer characterization methods are then discussed, followed by chapters on data upscaling, groundwater modelling, and geostatistics. This book is a must for every practitioner, graduate student, or researcher dealing with aquifer characterization .

Ground Water Recharge Using Waters of Impaired Quality

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309051428
Total Pages : 300 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Ground Water Recharge Using Waters of Impaired Quality by : National Research Council

Download or read book Ground Water Recharge Using Waters of Impaired Quality written by National Research Council and published by National Academies Press. This book was released on 1994-02-01 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: As demand for water increases, water managers and planners will need to look widely for ways to improve water management and augment water supplies. This book concludes that artificial recharge can be one option in an integrated strategy to optimize total water resource management and that in some cases impaired-quality water can be used effectively as a source for artificial recharge of ground water aquifers. Source water quality characteristics, pretreatment and recharge technologies, transformations during transport through the soil and aquifer, public health issues, economic feasibility, and legal and institutional considerations are addressed. The book evaluates three main types of impaired quality water sourcesâ€"treated municipal wastewater, stormwater runoff, and irrigation return flowâ€"and describes which is the most consistent in terms of quality and quantity. Also included are descriptions of seven recharge projects.

Groundwater Recharge in a Desert Environment

Author : James F. Hogan
Publisher : American Geophysical Union
ISBN 13 :
Total Pages : 310 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Groundwater Recharge in a Desert Environment by : James F. Hogan

Download or read book Groundwater Recharge in a Desert Environment written by James F. Hogan and published by American Geophysical Union. This book was released on 2004-01-09 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Water Science and Application Series, Volume 9. Groundwater recharge, the flux of water across the water table, is arguably the most difficult component of the hydrologic cycle to measure. In arid and semiarid regions the problem is exacerbated by extremely small recharge fluxes that are highly variable in space and time. --from the Preface Groundwater Recharge in a Desert Environment: The Southwestern United States speaks to these issues by presenting new interpretations and research after more than two decades of discipline-wide study. Discussions ondeveloping environmental tracers to fingerprint sources and amounts of groundwater at the basin scalethe critical role of vegetation in hydroecological processesnew geophysical methods in quantifying channel rechargeapplying Geographical Information System (GIS) models to land surface processescoupling process-based vadose zone to groundwater modeling, and more make this book a significant resource for hydmlogists, biogeoscientists, and geochemists concerned with water and water-related issues in arid and semiarid regions.

Physical and Chemical Hydrogeology

Author : Patrick A. Domenico
Publisher : John Wiley & Sons
ISBN 13 : 0471597627
Total Pages : 534 pages
Book Rating : 4.4/5 (715 download)

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Book Synopsis Physical and Chemical Hydrogeology by : Patrick A. Domenico

Download or read book Physical and Chemical Hydrogeology written by Patrick A. Domenico and published by John Wiley & Sons. This book was released on 1997-10-15 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: Completely updated, the second edition of this comprehensive volume not only covers all major areas of hydrogeology, it takes a process-oriented, integrated approach so that readers can gain a complete understanding of the relationship between physical and chemical aspects of this subject. Provides a good balance between theory and application and includes new areas such as contaminant hydrogeology. Includes extensive reference list and suggested readings.

Applied Groundwater Modeling

Author : Mary P. Anderson
Publisher : Academic Press
ISBN 13 : 0080916384
Total Pages : 632 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Applied Groundwater Modeling by : Mary P. Anderson

Download or read book Applied Groundwater Modeling written by Mary P. Anderson and published by Academic Press. This book was released on 2015-08-13 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Groundwater Recharge from Run-off, Infiltration and Percolation

Author : K.-P. Seiler
Publisher : Springer Science & Business Media
ISBN 13 : 1402053053
Total Pages : 257 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Groundwater Recharge from Run-off, Infiltration and Percolation by : K.-P. Seiler

Download or read book Groundwater Recharge from Run-off, Infiltration and Percolation written by K.-P. Seiler and published by Springer Science & Business Media. This book was released on 2007-09-26 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: To face the threats to the water supply and to maintain sustainable water management policies, detailed knowledge is needed on the surface-to-subsurface transformation link in the water cycle. Recharge flux is covered in this book as well as many other groundwater issues, including a comparison of the traditional and modern approaches to determine groundwater recharge. The authors also explain in detail the fate of groundwater recharge in the subsurface by hydraulic and geologic means, in order to stimulate adapted groundwater-management strategies.

Sources, Effects and Risks of Ionizing Radiation, United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) 2016 Report

Download Sources, Effects and Risks of Ionizing Radiation, United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) 2016 Report PDF Online Free

Author : United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR)
Publisher : United Nations
ISBN 13 : 9210600029
Total Pages : 512 pages
Book Rating : 4.2/5 (16 download)

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Book Synopsis Sources, Effects and Risks of Ionizing Radiation, United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) 2016 Report by : United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR)

Download or read book Sources, Effects and Risks of Ionizing Radiation, United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) 2016 Report written by United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) and published by United Nations. This book was released on 2017-04-25 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report assesses the levels and effects of exposure to ionizing radiation. Scientific findings underpin radiation risk evaluation and international protection standards. This report comprises a report with two underpinning scientific annexes. The first annex recapitulates and clarifies the philosophy of science as well as the scientific knowledge for attributing observed health effects in individuals and populations to radiation exposure, and distinguishes between that and inferring risk to individuals and populations from an exposure. The second annex reviews the latest thinking and approaches to quantifying the uncertainties in assessments of risk from radiation exposure, and illustrates these approaches with application to examples that are highly pertinent to radiation protection.

Aquifer Storage and Recovery and Managed Aquifer Recharge Using Wells

Author : Robert George Maliva
Publisher :
ISBN 13 : 9780978853068
Total Pages : 578 pages
Book Rating : 4.8/5 (53 download)

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Book Synopsis Aquifer Storage and Recovery and Managed Aquifer Recharge Using Wells by : Robert George Maliva

Download or read book Aquifer Storage and Recovery and Managed Aquifer Recharge Using Wells written by Robert George Maliva and published by . This book was released on 2010-01-01 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aquifer storage and recovery (ASR) and other managed aquifer recharge (MAR) technologies are increasingly being used to meet peak demands, emergency supply (strategic storage), drought requirements, and a number of other storage needs. ASR and MAR system performance is highly dependent upon site-specific hydrogeological conditions and system design. This book provides an overview of ASR and MAR technologies that use wells to recharge aquifers. It addresses the key issues of project planning, aquifer characterization, well design, system operation, and source-water quality and pretreatment. The lessons learned from existing ASR systems are presented to provide guidance for successful future implementation of the technologies.This is the second book in a series, Methods in Water Resources Evaluation, published by Schlumberger Water Services. It is intended to be used as a design and reference text for water resources professional engineers, hydrogeologists, and water managers and as a university textbook.

Groundwater Fluxes Across Interfaces

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309091136
Total Pages : 100 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Groundwater Fluxes Across Interfaces by : National Research Council

Download or read book Groundwater Fluxes Across Interfaces written by National Research Council and published by National Academies Press. This book was released on 2004-02-20 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Estimates of groundwater recharge and discharge rates are needed at many different scales for many different purposes. These include such tasks as evaluating landslide risks, managing groundwater resources, locating nuclear waste repositories, and estimating global budgets of water and greenhouse gasses. Groundwater Fluxes Across Interfaces focuses on scientific challenges in (1) the spatial and temporal variability of recharge and discharge, (2) how information at one scale can be used at another, and (3) the effects of groundwater on climate and vice versa.

Managing aquifer recharge

Author : UNESCO
Publisher : UNESCO Publishing
ISBN 13 : 9231004883
Total Pages : 366 pages
Book Rating : 4.2/5 (31 download)

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Book Synopsis Managing aquifer recharge by : UNESCO

Download or read book Managing aquifer recharge written by UNESCO and published by UNESCO Publishing. This book was released on 2021-11-25 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Modular Three-dimensional Finite-difference Ground-water Flow Model

Author : Michael G. McDonald
Publisher :
ISBN 13 :
Total Pages : 544 pages
Book Rating : 4.3/5 ( download)

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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:

Perspectives on Karst Geomorphology, Hydrology, and Geochemistry

Author : Russell S. Harmon
Publisher : Geological Society of America
ISBN 13 : 081372404X
Total Pages : 394 pages
Book Rating : 4.8/5 (137 download)

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Book Synopsis Perspectives on Karst Geomorphology, Hydrology, and Geochemistry by : Russell S. Harmon

Download or read book Perspectives on Karst Geomorphology, Hydrology, and Geochemistry written by Russell S. Harmon and published by Geological Society of America. This book was released on 2006-01-01 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Geologic and Hydrologic Characterization of Regional Nongeothermal Groundwater Resources in the Cove Fort Area, Millard and Beaver Counties, Utah

Download Geologic and Hydrologic Characterization of Regional Nongeothermal Groundwater Resources in the Cove Fort Area, Millard and Beaver Counties, Utah PDF Online Free

Author : Stefan M. Kirby
Publisher : Utah Geological Survey
ISBN 13 : 1557918546
Total Pages : 72 pages
Book Rating : 4.5/5 (579 download)

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Book Synopsis Geologic and Hydrologic Characterization of Regional Nongeothermal Groundwater Resources in the Cove Fort Area, Millard and Beaver Counties, Utah by : Stefan M. Kirby

Download or read book Geologic and Hydrologic Characterization of Regional Nongeothermal Groundwater Resources in the Cove Fort Area, Millard and Beaver Counties, Utah written by Stefan M. Kirby and published by Utah Geological Survey. This book was released on 2012 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes the nongeothermal hydrogeologic system of the Cove Creek basin and an adjoining part of the Beaver River basin north of Milford, in Millard and Beaver Counties, Utah. The groundwater system in the study area hosts two commercial geothermal reservoirs, provides the entire agricultural and culinary water supply, and may be connected with groundwater in adjoining basins. The report presents a regional hydrogeologic framework assessment, including a newly compiled 1:100,000-scale geologic map, five schematic cross sections, estimates of thickness and hydrologic character of the basin fill based on geophysics and available well logs, and a new potentiometric surface map for the study area. The report also presents and interprets new and compiled geochemical and isotopic data and a new water budget for the study area that includes estimates of subsurface flow to adjoining basins. 65 pages + 2 plates

Contaminants in the Subsurface

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 030909447X
Total Pages : 371 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Contaminants in the Subsurface by : National Research Council

Download or read book Contaminants in the Subsurface written by National Research Council and published by National Academies Press. This book was released on 2005-04-23 with total page 371 pages. Available in PDF, EPUB and Kindle. Book excerpt: At hundreds of thousands of commercial, industrial, and military sites across the country, subsurface materials including groundwater are contaminated with chemical waste. The last decade has seen growing interest in using aggressive source remediation technologies to remove contaminants from the subsurface, but there is limited understanding of (1) the effectiveness of these technologies and (2) the overall effect of mass removal on groundwater quality. This report reviews the suite of technologies available for source remediation and their ability to reach a variety of cleanup goals, from meeting regulatory standards for groundwater to reducing costs. The report proposes elements of a protocol for accomplishing source remediation that should enable project managers to decide whether and how to pursue source remediation at their sites.

Groundwater Availability of the Central Valley Aquifer, California

Author : Claudia C. Faunt
Publisher : Geological Survey
ISBN 13 : 9781411325159
Total Pages : 0 pages
Book Rating : 4.3/5 (251 download)

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Book Synopsis Groundwater Availability of the Central Valley Aquifer, California by : Claudia C. Faunt

Download or read book Groundwater Availability of the Central Valley Aquifer, California written by Claudia C. Faunt and published by Geological Survey. This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Characterization, Modeling, Monitoring, and Remediation of Fractured Rock

Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 0309373727
Total Pages : 177 pages
Book Rating : 4.3/5 (93 download)

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Book Synopsis Characterization, Modeling, Monitoring, and Remediation of Fractured Rock by : National Academies of Sciences, Engineering, and Medicine

Download or read book Characterization, Modeling, Monitoring, and Remediation of Fractured Rock written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2021-01-29 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fractured rock is the host or foundation for innumerable engineered structures related to energy, water, waste, and transportation. Characterizing, modeling, and monitoring fractured rock sites is critical to the functioning of those infrastructure, as well as to optimizing resource recovery and contaminant management. Characterization, Modeling, Monitoring, and Remediation of Fractured Rock examines the state of practice and state of art in the characterization of fractured rock and the chemical and biological processes related to subsurface contaminant fate and transport. This report examines new developments, knowledge, and approaches to engineering at fractured rock sites since the publication of the 1996 National Research Council report Rock Fractures and Fluid Flow: Contemporary Understanding and Fluid Flow. Fundamental understanding of the physical nature of fractured rock has changed little since 1996, but many new characterization tools have been developed, and there is now greater appreciation for the importance of chemical and biological processes that can occur in the fractured rock environment. The findings of Characterization, Modeling, Monitoring, and Remediation of Fractured Rock can be applied to all types of engineered infrastructure, but especially to engineered repositories for buried or stored waste and to fractured rock sites that have been contaminated as a result of past disposal or other practices. The recommendations of this report are intended to help the practitioner, researcher, and decision maker take a more interdisciplinary approach to engineering in the fractured rock environment. This report describes how existing tools-some only recently developed-can be used to increase the accuracy and reliability of engineering design and management given the interacting forces of nature. With an interdisciplinary approach, it is possible to conceptualize and model the fractured rock environment with acceptable levels of uncertainty and reliability, and to design systems that maximize remediation and long-term performance. Better scientific understanding could inform regulations, policies, and implementation guidelines related to infrastructure development and operations. The recommendations for research and applications to enhance practice of this book make it a valuable resource for students and practitioners in this field.