Groundwater Flow And Quality Of Coastal Aquifers

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Groundwater Flow and Quality of Coastal Aquifers

Author : Temitope Idowu
Publisher : Grin Publishing
ISBN 13 : 9783668517103
Total Pages : 120 pages
Book Rating : 4.5/5 (171 download)

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Book Synopsis Groundwater Flow and Quality of Coastal Aquifers by : Temitope Idowu

Download or read book Groundwater Flow and Quality of Coastal Aquifers written by Temitope Idowu and published by Grin Publishing. This book was released on 2017-10-09 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Master's Thesis from the year 2017 in the subject Engineering - Civil Engineering, grade: 80.00, course: Civil Engineering (Environmental and ASAL Option), language: English, abstract: Groundwater is the world's most readily available source of freshwater, hence the importance of aquifers. However, groundwater resources are prone to pollution in the wake of anthropogenic influences, over-exploitation and climate change related activities. Coastal aquifers are faced with added unique challenges of seawater intrusion. The coastal aquifer of Mombasa, home to East Africa's busiest seaport is not an exception to these challenges. This study investigated the groundwater flow, quality and vulnerability to seawater intrusion of the coastal aquifer of Mombasa North Coast. This is a 74.2 km2 region bounded by the Indian Ocean on the East, by creeks on the North and South and high elevated hills on the West. The hydrogeological characteristics, salinity and extent of seawater intrusion of the aquifer were assessed using statistical and geospatial methods. The statistical methods include correlation coefficients, cross plots and Piper plots. GALDIT overlay index was applied in assessing the vulnerability of the aquifer while groundwater flow and solute transport were simulated with the aid of MODFLOW, MT3D and SEAWAT packages. Field data such as static groundwater levels and water quality parameters were collected at pre-monsoon, rainy season, and post-monsoon of 2016. This was followed by laboratory analysis for Na, K, Mg, Ca, Cl, HCO3 and SO4 concentrations in the obtained water samples. The results show the aquifer is shallow and unconfined with groundwater heads ranging from -1 to 33m above mean sea level. The EC and TDS values showed near perfect correlation relationships and were generally high, as over 94% of the water samples exceeded WHO drinking water limit. The groundwater pH was slightly alkaline but could be slightly acidic in the rainy season due to groundwater

Coastal Aquifer Management-Monitoring, Modeling, and Case Studies

Author : Alexander H.D. Cheng
Publisher : CRC Press
ISBN 13 : 0203493494
Total Pages : 298 pages
Book Rating : 4.2/5 (34 download)

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Book Synopsis Coastal Aquifer Management-Monitoring, Modeling, and Case Studies by : Alexander H.D. Cheng

Download or read book Coastal Aquifer Management-Monitoring, Modeling, and Case Studies written by Alexander H.D. Cheng and published by CRC Press. This book was released on 2003-12-18 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Approximately 70% of the world's population lives in coastal areas, and the majority of these people depend on coastal aquifers for freshwater. The fragility of these aquifers and their sensitivity to human activity demand informed, competent management to guarantee their survival. Significant knowledge and new technologies related to the subject h

Seawater Intrusion in Coastal Aquifers

Author : Jacob Bear
Publisher : Springer Science & Business Media
ISBN 13 : 9401729697
Total Pages : 652 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Seawater Intrusion in Coastal Aquifers by : Jacob Bear

Download or read book Seawater Intrusion in Coastal Aquifers written by Jacob Bear and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coastal aquifers serve as major sources for freshwater supply in many countries around the world, especially in arid and semi-arid zones. Many coastal areas are also heavily urbanized, a fact that makes the need for freshwater even more acute. Coastal aquifers are highly sensitive to disturbances. Inappropriate management of a coastal aquifer may lead to its destruction as a source for freshwater much earlier than other aquifers which are not connected to the sea. The reason is the threat of seawater intrusion. In many coastal aquifers, intrusion of seawater has become one of the major constraints imposed on groundwater utilization. As sea water intrusion progresses, existing pumping wells, especially those close to the coast, become saline and have to be abandoned. Also, the area above the intruding seawater wedge is lost as a source of natural replenishment to the aquifer. Despite the importance of this subject, so far there does not exist a book that integrates our present knowledge of seawater intrusion, its occurrences, physical mechanism, chemistry, exploration by geo physical and geochemical techniques, conceptual and mathematical modeling, analytical and numerical solution methods, engineering measures of combating seawater intrusion, management strategies, and experience learned from case studies. By presenting this fairly comprehensive volume on the state-of-the-art of knowledge and ex perience on saltwater intrusion, we hoped to transfer this body of knowledge to the geologists, hydrologists, hydraulic engineers, water resources planners, managers, and governmental policy makers, who are engaged in the sustainable development of coastal fresh ground water resources.

Groundwater and saline intrusion

Author : Marisol Manzano
Publisher : IGME
ISBN 13 : 9788478405886
Total Pages : 770 pages
Book Rating : 4.4/5 (58 download)

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Book Synopsis Groundwater and saline intrusion by : Marisol Manzano

Download or read book Groundwater and saline intrusion written by Marisol Manzano and published by IGME. This book was released on 2004 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Coastal Hydrogeology

Author : Jimmy Jiao
Publisher : Cambridge University Press
ISBN 13 : 1107030595
Total Pages : 421 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Coastal Hydrogeology by : Jimmy Jiao

Download or read book Coastal Hydrogeology written by Jimmy Jiao and published by Cambridge University Press. This book was released on 2019-05-09 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers a comprehensive volume discussing groundwater problems in coastal areas, spanning fundamental science to practical water management.

Ground Water in Freshwater-saltwater Environments of the Atlantic Coast

Author : Paul M. Barlow
Publisher :
ISBN 13 :
Total Pages : 128 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Ground Water in Freshwater-saltwater Environments of the Atlantic Coast by : Paul M. Barlow

Download or read book Ground Water in Freshwater-saltwater Environments of the Atlantic Coast written by Paul M. Barlow and published by . This book was released on 2003 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Ground Water in Freshwater-saltwater Environments of the Atlantic Coast

Author : Paul M. Barlow
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.6/5 (79 download)

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Book Synopsis Ground Water in Freshwater-saltwater Environments of the Atlantic Coast by : Paul M. Barlow

Download or read book Ground Water in Freshwater-saltwater Environments of the Atlantic Coast written by Paul M. Barlow and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Groundwater Contamination in Coastal Aquifers

Author : Senapathi Venkatramanan
Publisher : Elsevier
ISBN 13 : 0128243872
Total Pages : 306 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Groundwater Contamination in Coastal Aquifers by : Senapathi Venkatramanan

Download or read book Groundwater Contamination in Coastal Aquifers written by Senapathi Venkatramanan and published by Elsevier. This book was released on 2022-06-23 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater Contamination in Coastal Aquifers: Assessment and Management first describes groundwater contamination in coastal aquifers and then delves into specific topics surrounding various hydrogeochemical processes. Next, the book covers case studies of groundwater quality assessment using recent techniques, explains the various pollutants and contaminants in coastal aquifers, and covers management and remediation methods to control contamination in coastal aquifers. This key reference encompasses various topics in broader perspectives on groundwater contamination in coastal aquifers, providing a significant contribution to the field of hydrogeology. Presents global case studies that show the reader how this issue is affecting sites around the world Includes a remediation plan that solves problems surrounding the management of groundwater, water treatment techniques, and the management of available groundwater resources Provides advanced techniques that can be applied and used as methodologies for solving groundwater issues

Ground-water Flow in the Gulf Coast Aquifer Systems, South Central United States

Author : Alex K. Williamson
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Ground-water Flow in the Gulf Coast Aquifer Systems, South Central United States by : Alex K. Williamson

Download or read book Ground-water Flow in the Gulf Coast Aquifer Systems, South Central United States written by Alex K. Williamson and published by . This book was released on 1990 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sea Water in Coastal Aquifers

Author : Hilton H. Cooper
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Sea Water in Coastal Aquifers by : Hilton H. Cooper

Download or read book Sea Water in Coastal Aquifers written by Hilton H. Cooper and published by . This book was released on 1964 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Geohydrology and Water Quality of Stratified-drift Aquifers in the Lower Merrimack and Coastal River Basins, Southeastern New Hampshire

Download Geohydrology and Water Quality of Stratified-drift Aquifers in the Lower Merrimack and Coastal River Basins, Southeastern New Hampshire PDF Online Free

Author : Peter J. Stekl
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Geohydrology and Water Quality of Stratified-drift Aquifers in the Lower Merrimack and Coastal River Basins, Southeastern New Hampshire by : Peter J. Stekl

Download or read book Geohydrology and Water Quality of Stratified-drift Aquifers in the Lower Merrimack and Coastal River Basins, Southeastern New Hampshire written by Peter J. Stekl and published by . This book was released on 1992 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: ... Describes the hydrologic and geologic characteristics of the stratified-drift aquifers - areal extent, saturated thickness, and transmissivity, ground-water levels, general directions of groundwater flow and yield of stratified drift and contributing area for selected aquifers after prolonged pumping; describes the general geohydrology of till and bedrock and water use and water yielding characteristics of the bedrock aquifer and documents groundwater quality; area covered in study includes Londonderry to New Castle, Beaver Brook, Little River, Spicket River and Powwow Rivers were the drainage sub-basins studied ...

Groundwater in the Nile Delta

Author : Abdelazim M. Negm
Publisher : Springer
ISBN 13 : 3319942832
Total Pages : 760 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Groundwater in the Nile Delta by : Abdelazim M. Negm

Download or read book Groundwater in the Nile Delta written by Abdelazim M. Negm and published by Springer. This book was released on 2018-12-28 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique volume offers an up-to-date overview of all the main aspects of groundwater in the Nile Delta and its fringes, as well as latest research findings. The themes covered include: · Nile Delta aquifer formation and its characteristics · The use of the groundwater in the Nile Delta and its implications · Sedimentology and hydrogeophysical characteristics · Groundwater investigations and aquifer characterization using current direct resistivity and induced polarization · Groundwater contamination and degradation · Saltwater intrusion and its control · Delineation of groundwater flow and seawater intrusion using various techniques, including one-dimensional subsurface temperature profiles, geoelectrical resistivity, and integrated subsurface thermal regime and hydrogeochemical data · Modeling of groundwater and of saltwater intrusion in the Nile Delta aquifer · Excessive pumping and groundwater quality assessment for irrigation and drinking purposes · Groundwater management for sustainability in the Nile Delta. The volume appeals to postgraduate students, researchers, scientists, professionals, decision makers and planners.

Groundwater and Water Quality

Author : Ramakar Jha
Publisher : Springer Nature
ISBN 13 : 3031095510
Total Pages : 402 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Groundwater and Water Quality by : Ramakar Jha

Download or read book Groundwater and Water Quality written by Ramakar Jha and published by Springer Nature. This book was released on 2022-10-04 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book deals with topics of current interest, such as climate change, floods, drought, and hydrological extremes. The impact of climate change on water resources is drawing worldwide attention these days, for water resources in many countries are already stressed and climate change along with burgeoning population, rising standard of living, and increasing demand are adding to the stress. Further, river basins are becoming less resilient to climatic vagaries. Fundamental to addressing these issues is hydrological modelling which is covered in these books. Further, integrated water resources management is vital to ensure water and food security. Integral to the management is groundwater and solute transport. The books encompass tools that will be useful to mitigate the adverse consequences of natural disasters. This book provides many new and innovative methods to assess groundwater and estimate water pollution. Groundwater recharge, solute transport, ground water modelling are some of the important variable used to estimate the groundwater movement, hydraulic gradient and pollution movement. The water quality is another important variable of river Ganga and its tributaries in India and other rivers over the globe.

Groundwater and Human Development

Author : Emilia Bocanegra
Publisher : CRC Press
ISBN 13 : 9780415364430
Total Pages : 292 pages
Book Rating : 4.3/5 (644 download)

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Book Synopsis Groundwater and Human Development by : Emilia Bocanegra

Download or read book Groundwater and Human Development written by Emilia Bocanegra and published by CRC Press. This book was released on 2005-06-30 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: It has long been recognized that groundwater plays a central role in the development of human societies. Groundwater resources are readily and reliably available compared with surface water resources. In many contexts, the presence of groundwater ensures the presence of life itself. The XXXII IAH (International Association of Hydrogeologists) and VI ALHSUD (Latin-American Association of Groundwater Hydrology for Development) Congress on Groundwater and Human Development, held in 2002, in Mar del Plata (Argentina), brought together over 400 participants from more than 40 countries. This lively gathering of water enthusiasts exchanged experiences of both fieldwork and research. Topics under discussion and scrutiny included: Groundwater and Quality of Life; Groundwater in Urban, Suburban and Rural Systems; Transboundary Aquifers; Hydrogeology of Large Plains; Coastal Aquifers; Methods for Groundwater Studies; and Education about Groundwater and Groundwater Management. This book contains selected papers, plenary lectures and material from workshops, illustrating the contribution of modern hydrogeology to sustaining humanity's thirst for fresh and safe water.

Groundwater and Global Change in the Western Mediterranean Area

Author : Maria Luisa Calvache
Publisher : Springer
ISBN 13 : 3319693565
Total Pages : 312 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Groundwater and Global Change in the Western Mediterranean Area by : Maria Luisa Calvache

Download or read book Groundwater and Global Change in the Western Mediterranean Area written by Maria Luisa Calvache and published by Springer. This book was released on 2017-10-26 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a compilation of papers examining the impacts of global change (GC) on water resources systems. Mainly focusing on groundwater resources in Western Mediterranean countries, it shows that this topic is one of the most important challenges facing society. The papers explore developments in both Southern Europe and North Africa, where major impacts on the sustainability, quantity, quality, and management of water resources are expected to emerge. Although most global change publications focus on surface water, the number of research papers addressing global change and groundwater has grown rapidly in recent years. Continuing that welcome trend, this book gathers the main findings presented at the “Congress on Groundwater and Global Change in the Western Mediterranean” (Granada, Spain, November 6–9, 2017), which brought together researchers and technicians interested in groundwater issues affecting this geographic area.

Groundwater Assessment and Modelling

Author : C. P. Kumar
Publisher : C. P. Kumar
ISBN 13 :
Total Pages : 331 pages
Book Rating : 4./5 ( download)

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Book Synopsis Groundwater Assessment and Modelling by : C. P. Kumar

Download or read book Groundwater Assessment and Modelling written by C. P. Kumar and published by C. P. Kumar. This book was released on 2023-03-30 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Groundwater development has shown phenomenal progress in our country during past few decades. There has been a vast improvement in the perception, outlook and significance of groundwater resource. Groundwater is a dynamic system. It is dynamic in the sense that the state of any hydrological system is changing with time, and in the sense that we are continually developing new scientific techniques to evaluate these systems. The total annual replenishable groundwater resource of India is around 431 BCM. Inspite of the national scenario on the availability of groundwater being favourable, there are many areas in the country facing scarcity of water. This is because of the unplanned groundwater development resulting in fall of water levels, failure of wells, and salinity ingress in coastal areas. The development and over-exploitation of groundwater resources in certain parts of the country have raised the concern and need for judicious and scientific resource management and conservation. A complexity of factors - hydrogeological, hydrological and climatological, control the groundwater occurrence and movement. The precise assessment of recharge and discharge is rather difficult, as no techniques are currently available for their direct measurements. Hence, the methods employed for groundwater resource estimation are all indirect. Groundwater being a dynamic and replenishable resource is generally estimated based on the component of annual recharge, which could be subjected to development by means of suitable groundwater structures. Mathematical models are tools, which are frequently used in studying groundwater systems. In general, mathematical models are used to simulate (or to predict) the groundwater flow. Predictive simulations must be viewed as estimates, dependent upon the quality and uncertainty of the input data. Model conceptualization is the process in which data describing field conditions are assembled in a systematic way to describe groundwater flow processes at a site. The model conceptualization aids in determining the modelling approach and which model software to use. Taking the base from my lecture notes delivered in various training courses during last 26 years and further editing and additions, I have developed this book titled “Groundwater Assessment and Modelling”. The book is intended to provide a comprehensive treatise related to assessment and modelling of groundwater. It includes chapters on assessment of groundwater potential, groundwater data requirement and analysis, basic concepts and guidelines for groundwater modelling, groundwater modelling software, modelling of unsaturated flow, modelling of sea water intrusion, and impact of climate change on groundwater resources. I hope this book will be quite useful for undergraduate and postgraduate students (water resources engineering), field engineers and researchers working in the area of assessment, development and management of groundwater resources.

Applied Groundwater Modeling

Author : Mary P. Anderson
Publisher : Academic Press
ISBN 13 : 0080916384
Total Pages : 630 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 630 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