groundwater around the world a geographic synopsis

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Groundwater Around The World

Author : Jean Margat
ISBN : 9781138000346
Genre : Science
File Size : 90. 3 MB
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This book presents a unique and up-to-date summary of what is known about groundwater on our planet, from a global perspective and in terms of area-specific factual information. Unlike most textbooks on groundwater, it does not deal with theoretical principles, but rather with the overall picture that emerges as a result of countless observations, studies and other activities related to groundwater in all parts of the world. The focus is on showing the role and geographical diversity of groundwater—a natural resource of great importance in daily life, but poorly understood by the general public and even by many water sector professionals. The book starts by analysing groundwater in the context of the hydrological cycle. Subsequently, groundwater systems as physical units, with their boundaries mainly defined by geological conditions, are reviewed. The next chapter looks at groundwater as a resource, paying attention, among others, to its quantity and quality, to the differentiation between renewable and non-renewable resources, and to the techniques for withdrawing groundwater. This is followed by a systematic documentation of the quantities of groundwater withdrawn and used around the world, and of the corresponding shares of groundwater in each of the main water use sectors. After that, steadily growing needs for groundwater management interventions are identified, resulting from local human activities and global change (including demography, economic development and climate change). Finally, groundwater resources management is addressed and real-life cases are described that illustrate actions taken and experiences with different issues in different parts of the world. The authors attempted to write this book in such a way that it is accessible to a wider readership than just groundwater professionals. It will also benefit non-groundwater specialists who work in groundwater-related fields (water managers, land use planners, environmentalists, agronomists, engineers, economists, lawyers, and journalists), by broadening their understanding of groundwater and making them aware of the huge variety of groundwater settings. Groundwater specialists will use the book as a convenient reference on the geographical diversity of groundwater. Part of the contents or interpretations offered may even be new to them or enhance their knowledge of some aspects. The many maps, tables, and references will save much time for those who would otherwise have to search elsewhere for basic information on the globe’s groundwater.

Groundwater Assessment Modeling And Management

Author : M. Thangarajan
ISBN : 9781498742856
Genre : Science
File Size : 87. 70 MB
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Your Guide to Effective Groundwater Management Groundwater Assessment, Modeling, and Management discusses a variety of groundwater problems and outlines the solutions needed to sustain surface and ground water resources on a global scale. Contributors from around the world lend their expertise and provide an international perspective on groundwater management. They address the management of groundwater resources and pollution, waste water treatment methods, and the impact of climate change on groundwater and water availability (specifically in arid and semi-arid regions such as India and Africa). Incorporating management with science and modeling, the book covers all areas of groundwater resource assessment, modeling, and management, and combines hands-on applications with relevant theory. For Water Resource Managers and Decision Makers The book describes techniques for the assessment of groundwater potential, pollution, prevention, and remedial measures, and includes a new approach for groundwater modeling based on connections (network theory). Approximately 30 case studies and six hypothetical studies are introduced reflecting a range of themes that include: groundwater basics and the derivation of groundwater flow equations, exploration and assessment, aquifer parameterization, augmentation of aquifer, water and environment, water and agriculture, the role of models and their application, and water management policies and issues. The book describes remote sensing (RS) applications, geographical information systems (GIS), and electrical resistivity methods to delineate groundwater potential zones. It also takes a look at: Inverse modeling (pilot-points method) Simulation optimization models Radionuclide migration studies through mass transport modeling Modeling for mapping groundwater potential Modeling for vertical 2-D and 3-D groundwater flow Groundwater Assessment, Modeling, and Management explores the management of water resources and the impact of climate change on groundwater. Expert contributors provide practical information on hydrologic engineering and groundwater resources management for students, researchers, scientists, and other practicing professionals in environmental engineering, hydrogeology, irrigation, geophysics, and environmental science.

Assessing And Managing Groundwater In Different Environments

Author : Jude Cobbing
ISBN : 9781138001008
Genre : Science
File Size : 67. 78 MB
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This collection of papers is a snapshot of modern hydrogeology in which highly technical methods and approaches sit side-by-side with overlapping legal, social, organisational, institutional and governance considerations. Groundwater is integral to many human and environmental systems. Indeed, there appears to be a growing realisation that some of the most pressing physical problems in the field of hydrogeology - over-abstraction, salinization or pollution - can only really be solved by taking a multi-disciplinary approach to the issues that takes all other related professions into account. Whilst a ‘technical’ solution may be readily deciphered, the larger challenge usually lies in the sustainably-funded and widely-accepted implementation of that measure. This book ranges from discussion and debate on the hot topic of hydraulic fracturing of wells or ‘fraccing’ for shale gas and its potential to disrupt groundwater systems, to the application of highly technical modelling procedures to help solve complex, real world problems. It is a window on the preoccupations of modern hydrogeologists and an insight into the way in which hydrogeological techniques and methods are being holistically adapted to address problems in the real world. This book is targeted at professional hydrogeologists, sociologists, experts in governance, law and policy as well as ecologists and other professionals that nowadays all sit alongside groundwater understanding. The book will also appeal to politicians, resource managers, regulators and others interested in sustainable water supply.

Water Quality Assessments

Author : Deborah V Chapman
ISBN : 9780419215905
Genre : Science
File Size : 45. 54 MB
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This guidebook, now thoroughly updated and revised in its second edition, gives comprehensive advice on the designing and setting up of monitoring programmes for the purpose of providing valid data for water quality assessments in all types of freshwater bodies. It is clearly and concisely written in order to provide the essential information for all agencies and individuals responsible for the water quality.

The New Geography Of Jobs

Author : Enrico Moretti
ISBN : 9780547750149
Genre : Business & Economics
File Size : 55. 89 MB
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"A persuasive look at why some U.S. cities have prospered in recent decades while others have declined."—Bloomberg Businessweek We’re used to thinking of the United States in opposing terms: red versus blue, haves versus have-nots. But today there are three Americas. At one extreme are the brain hubs—cities like San Francisco, Boston, and Durham—with workers who are among the most productive, creative, and best paid on the planet. At the other extreme are former manufacturing capitals, which are rapidly losing jobs and residents. The rest of America could go either way. For the past thirty years, the three Americas have been growing apart at an accelerating rate. This divergence is one the most important developments in the history of the United States and is reshaping the very fabric of our society, affecting all aspects of our lives, from health and education to family stability and political engagement. But the winners and losers aren’t necessarily who you’d expect. Enrico Moretti’s groundbreaking research shows that you don’t have to be a scientist or an engineer to thrive in one of the brain hubs. Carpenters, taxi-drivers, teachers, nurses, and other local service jobs are created at a ratio of five-to-one in the brain hubs, raising salaries and standard of living for all. Dealing with this split—supporting growth in the hubs while arresting the decline elsewhere—is the challenge of the century, and The New Geography of Jobs lights the way. "Moretti has written a clear and insightful account of the economic forces that are shaping America and its regions, and he rightly celebrates human capital and innovation as the fundamental sources of economic development."—Jonathan Rothwell, The Brookings Institution

The Disappearing Spoon

Author : Sam Kean
ISBN : 0316089087
Genre : Science
File Size : 35. 29 MB
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From New York Times bestselling author Sam Kean comes incredible stories of science, history, finance, mythology, the arts, medicine, and more, as told by the Periodic Table. Why did Gandhi hate iodine (I, 53)? How did radium (Ra, 88) nearly ruin Marie Curie's reputation? And why is gallium (Ga, 31) the go-to element for laboratory pranksters?* The Periodic Table is a crowning scientific achievement, but it's also a treasure trove of adventure, betrayal, and obsession. These fascinating tales follow every element on the table as they play out their parts in human history, and in the lives of the (frequently) mad scientists who discovered them. THE DISAPPEARING SPOON masterfully fuses science with the classic lore of invention, investigation, and discovery--from the Big Bang through the end of time. *Though solid at room temperature, gallium is a moldable metal that melts at 84 degrees Fahrenheit. A classic science prank is to mold gallium spoons, serve them with tea, and watch guests recoil as their utensils disappear.

The Agricultural Groundwater Revolution

Author : Mark Giordano
ISBN : 9781845931735
Genre : Science
File Size : 90. 28 MB
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While addressing the issues of using groundwater in agriculture for irrigation in the developing world, this book discusses the problems associated with the degradation and overexploitation of using it. It explores the practiced and potential methods for its management in the context of agricultural development.

From Global To Local

Author : Finbarr Livesey
ISBN : 9781101871225
Genre : Business & Economics
File Size : 49. 79 MB
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This brilliantly original book dismantles the underlying assumptions that drive the decisions made by companies and governments throughout the world, to show that our shared narrative of the global economy is deeply flawed. If left unexamined, they will lead corporations and countries astray, with dire consequences for us all. For the past fifty years or so, the global economy has been run on three big assumptions: that globalization will continue to spread, that trade is the engine of growth and development, and that economic power is moving from the West to the East. More recently, it has also been taken as a given that our interconnectedness—both physical and digital—will increase without limit. But what if all these ideas are wrong? What if everything is about to change? What if it has already begun to change but we just haven't noticed? Increased automation, the advent of additive manufacturing (3D printing, for example), and changes in shipping and environmental pressures, among other factors, are coming together to create a fast-changing global economic landscape in which the rules are being rewritten—at once a challenge and an opportunity for companies and countries alike.

The Water Will Come

Author : Jeff Goodell
ISBN : 9780316260237
Genre : Nature
File Size : 64. 52 MB
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A New York Times Critics' Top Book of 2017 One of Washington Post's 50 Notable Works of Nonfiction in 2017 One of Booklist's Top 10 Science Books of 2017 "An immersive, mildly gonzo and depressingly well-timed book about the drenching effects of global warming, and a powerful reminder that we can bury our heads in the sand about climate change for only so long before the sand itself disappears." (Jennifer Senior, New York Times) What if Atlantis wasn't a myth, but an early precursor to a new age of great flooding? Across the globe, scientists and civilians alike are noticing rapidly rising sea levels, and higher and higher tides pushing more water directly into the places we live, from our most vibrant, historic cities to our last remaining traditional coastal villages. With each crack in the great ice sheets of the Arctic and Antarctica, and each tick upwards of Earth's thermometer, we are moving closer to the brink of broad disaster. By century's end, hundreds of millions of people will be retreating from the world's shores as our coasts become inundated and our landscapes transformed. From island nations to the world's major cities, coastal regions will disappear. Engineering projects to hold back the water are bold and may buy some time. Yet despite international efforts and tireless research, there is no permanent solution-no barriers to erect or walls to build-that will protect us in the end from the drowning of the world as we know it. The Water Will Come is the definitive account of the coming water, why and how this will happen, and what it will all mean. As he travels across twelve countries and reports from the front lines, acclaimed journalist Jeff Goodell employs fact, science, and first-person, on-the-ground journalism to show vivid scenes from what already is becoming a water world.

Ogallala Blue

Author : William Ashworth
ISBN : 0393058425
Genre : Nature
File Size : 29. 22 MB
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A history of the Ogallala aquifer traces its formation after the retreat of the glaciers; its use by ancient tribes, center-pivot sprinkler systems, and sophisticated extraction technologies; and the risk factors for its eventual drying out.

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