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Books > Earth & environment > Earth sciences > The hydrosphere > General
The soil is a fundamental constituent of the Earth's system, maintaining a careful state of equilibrium within the biosphere. However, this natural balance is being increasingly disturbed by a variety of anthropogenic and natural processes, leading to the degradation of many soil environments. Soil Management provides a comprehensive and authoritative introduction to the many problems, challenges and potential solutions facing soil management in the twenty-first century. Covering a range of topics, including erosion, desertification, salinization, soil structure, carbon sequestration, acidification and chemical pollution, the book also develops a prognosis for the future of soil management in the face of growing populations and global warming. Written with the needs of students in mind, each chapter provides a broad overview of a problem, analyses approaches to its solution and concludes with references and suggestions for further reading. Soil Management will be of great value to environmental science and geography undergraduates taking soil management courses in their second or third year.
Bringing together a team of scholars from the diverse fields of geography, literary studies, and history, this is the first volume to study water as a cultural phenomenon within the Russian/Soviet context. Water in this context is both a cognitive and cultural construct and a geographical and physical phenomenon, representing particular rivers (the Volga, the Chusovaia in the Urals, the Neva) and bodies of water (from Baikal to sacred springs and the flowing water of nineteenth-century estates), but also powerful systems of meaning from traditional cultures and those forged in the radical restructuring undertaken in the 1930s. Individual chapters explore the polyvalence and contestation of meanings, dimensions, and values given to water in various times and spaces in Russian history. The reservoir of symbolic association is tapped by poets and film-makers but also by policy-makers, the popular press, and advertisers seeking to incite reaction or drive sales. The volume's emphasis on the cultural dimensions of water will link material that is often widely disparate in time and space; it will also serve as the methodological framework for the analysis undertaken both within chapters and in the editors' introduction.
This book attempts to bridge the gap between the climate change research and decision-making communities by exploring the impacts of climate change on groundwater from a more applied perspective. Global climate change will impact groundwater demands, quality, and available supplies, and rising sea level may cause water tables to rise, inundating low-lying coastal areas. Groundwater will increasingly be needed to perform a stabilization role in mitigating fluctuations in the supply of surface waters, serving as a buffer against droughts. Climate change has become a frequent subject in the mass media, and the academic literature on the subject is now enormous. An impediment to climate change adaptation with respect to water is a poor link between the climate change research community and the actual decision-makers responsible for water supply planning. Key issues explored are methods for evaluating potential impacts on climate change on local groundwater systems, the adaptation of decision-making process, and how climate change adaptation can be mainstreamed into the water supply planning.
This new textbook on remote sensing and digital image processing of natural resources includes numerous practical, problem-solving exercises, applications of sensors and satellite systems using remote sensing data collection resources with emphasis on free and open-source platform R. It explains basic concepts of remote sensing and multidisciplinary applications using R language and R packages, by engaging students in learning theory through hands-on, real-life projects. All chapters are structured with learning objectives, computation, questions, solved exercises, resources and research suggestions. Features 1. Explains the theory of passive and active remote sensing and its applications in water, soil, vegetation, and atmosphere. 2. Covers data analysis in free and open-source (FOSS) R platform, which makes remote sensing accessible to anyone with a computer. 3. Includes case studies from different environments with free software algorithm and R toolset for active learning and learn-by-doing. 4. Provides hands-on exercises at the end of each chapter and encourages readers to understand the potential and the limitations of the environments, remote sensing targets and process. 5. Explores current trends and developments in remote sensing in homework assignments with data to further explore the use of free multispectral remote sensing data, including very high spatial resolution data sources for target recognition with image processing techniques. While the focus of the book is on environmental and agriculture engineering, it can be applied widely to a variety of subjects such as physical, natural, and social sciences. Students in upper-level undergraduate or graduate programs, taking courses in Remote Sensing, Geoprocessing, Civil and Environmental Engineering, Geosciences, Environmental Sciences, Electrical Engineering, Biology, and Hydrology will also benefit from the learning objectives in the book. Professionals who use remote sensing and digital processing will also find this text enlightening.
Designed for undergraduate and graduate students interested in learning basic soil physics and its application to environment, soil health, water quality and productivity, this book provides readers with a clear coverage of the basic principles of water and solute transport through vadose zone, the theory behind transport and step-by-step guidance on how to use current computer models in the public domain along with soil erosion and contaminant remediation. Students will develop a deeper understanding of the fundamental processes within the soil profile that control water infiltration, redistribution, evapotranspiration, drainage, and erosion. The updated second edition features two new chapters, highlighting new problems, new computer models, and remediation. Features Serves as the most up-to-date textbook on soil physics available. Includes two new chapters and many new numerical examples. Offers mathematical descriptions supported by simplified explanations. Provides case studies and step-by-step guidance on how to use public domain computer models. Covers all principles and processes in an easy-to-understand format with numerous illustrations and sample problems. Students studying in the fields of Soil Science, Environment Science, Natural Resources, Agriculture Engineering, Civil Engineering, Environmental Engineering, Range Sciences, Horticulture, Crop Sciences, and Forestry, will find this book provides a solid foundation for their studies. Professionals, researchers, academicians, and companies working in fields related to Environmental Science, Soil Physics, Hydrology, and irrigation, will find this book is a great reference tool as it is the most up to date in its field.
This study assessed the downstream river system adaptation in response to upstream damming on the Ribb River, Ethiopia, to irrigate 15,000 ha. It combined primary and secondary data, and the application of remote sensing and mathematical modeling. The pre-dam morphodynamic trends of the Ribb River were analyzed for 59 years based on aerial photographs, satellite images, and newly collected field data. Three dam operation scenarios were developed to analyze the long-term hydro-morphological effects of the dam on the downstream river reaches. It also assessed the applicability of physics-based analytical equations (Equilibrium Theory) compared to a 1D numerical model (SOBEK-RE) to determine the least-morphologically impactful dam operation scenario on the river reaches downstream of the dam. Moreover, a HEC-RAS 2D hydrodynamic model was developed to assess the effect of the dam on the flooding extent of the Fogera Plain. This was used to study the potential implications of hydrological alteration on the ecology of the floodplain wetlands, as they are the habitats of important fish and bird species. The results contribute to knowledge on the hydro-morphological and environmental impacts of dams on downstream river systems. The developed methodologies and findings may be used to study future hydro-morphological and ecological changes that may arise due to other dam operations or climate change.
For the Nonengineering Professional Perfect for anyone without a background in science or engineering who wants to take a closer look at how water is processed and treated, Reverse Osmosis: A Guide for the Nonengineering Professional relates reverse osmosis in its most basic form and addresses growing concerns about the quality of tap water. What is reverse osmosis? Not to be confused with filtration-which involves straining or size exclusion-reverse osmosis involves a diffusive mechanism and separation process that is dependent on solute concentration, pressure, and the water flux rate. This book describes all of the basic processes involved in reverse osmosis operations. Presented in a conversational style-using jargon-free language-it discusses in detail the drinking water purification, wastewater reuse, desalination processes, and other freshwater applications used to ensure the safe consumption of water. The book also places special emphasis on pharmaceuticals and personal care product (PPCP) contaminants, which are not typically removed from wastewater by conventional treatment processes, however, they can be removed by processes using sophisticated membrane filtration. The author provides a basic understanding of membrane technology, and explains the membrane treatment process. He details how the processes fit together within a drinking water or wastewater treatment system and presents concepts that make up water and wastewater treatment processes as a whole. He also highlights advances in reverse osmosis technology and discusses relevant applications. Presents a comprehensive coverage of reverse osmosis Discusses fundamental processes and equipment used in reverse osmosis Provides technical terminology in simplified form Reverse Osmosis: A Guide for the Nonengineering Professional explains how reverse osmosis
Water is essential to our planet's life, and protecting our water resources is a prerequisite for building a sustainable future. Since water use is inextricably linked to energy use, however, we face significant challenges. Water plays an essential role in many, if not most, manufacturing facilities. In a world facing a water-scarcity crisis, much research and development currently focuses on decreasing industries' water-use footprint. This compendium volume looks briefly at several select industries and investigates various water treatment processes for each, including microbial biotechnologies, ozone-related processes, adsorption, and photochemical reactions, among others. The various industries are organized into four groups: Industries that produce petrochemicals Metal industries The semi-conductor industry The paper and pulp industries Collected by a well-respected expert in the field, the studies gathered here are intended to be a starting point for further investigation by graduate students and other scientific researchers. Today's research, found in these chapters, can be expanded to create tomorrow's even wider frame of study.
The book provides an overview of climate change-sensitive water resources management with consideration of adaptation approaches, the assessment of climate change impacts, current contemporary management techniques, and ecological responses. Comprehensive assessments and studies from eight countries using innovative approaches that aid water management under evolving climates are documented. Topics ranging from hydrologic design to management and policy responses to climate change are discussed, which demonstrate updated theories that highlight methods, tools, and experiences on the topic of water resources under climate change. The generic approaches discussed, and their applications to different climate change-related problems, make this book appealing to a global readership. The practical and applied methodologies presented in the book and through insightful case studies discussed will provide readers worldwide with ready-to-use information to manage water resources sustainably under evolving climate. This book is ideally suited for water resource managers, scientists, professionals from water management agencies, graduate students, and national laboratory agencies responsible for water and environmental management.
The Hydraulic State explores the hydraulic engineering technology underlying water system constructions of many of the ancient World Heritage sites in South America, the Middle East and Asia as used in their urban and agricultural water supply systems. Using a range of methods and techniques, some new to archaeology, Ortloff analyzes various ancient water systems such as agricultural field system designs known in ancient Peruvian and Bolivian Andean societies, water management at Nabataean Petra, the Roman Pont du Garde water distribution castellum, the Minoan site of Knossos and the water systems of dynastic (and modern) China, particularly the Grand Canal and early water systems designed to control flood episodes. In doing so the book greatly increases our understanding of the hydraulic/hydrological engineering of ancient societies through the application of Complexity Theory, Similitude Theory and Computational Fluid Dynamics (CFD) analysis, as well as traditional archaeological analysis methods. Serving to highlight the engineering science behind water structures of the ancient World Heritage sites discussed, this book will be of interest to archaeologists working on landscape archaeology, urbanism, agriculture and water management.
This volume discusses climate change impacts on groundwater quality in arid and semi-arid regions, and provides human health risk assessments due to pollution of surface and groundwater. The book presents recent trends in monitoring groundwater management and implementing pollution mitigation strategies, including practices involving remote sensing and GIS techniques, entropy water quality index, weighted arithmetic water quality index, fuzzy logic applications, and improved irrigation methods. The book also outlines hydrological processes in arid and semi-arid regions and hydrochemical properties of surface and groundwater as a necessary background for understanding how pollution impacts groundwater quality and resources, and how geographical modeling of hydrological processes can aid in human health risk assessments. The book is intended for academics, administrators, policymakers, social scientists, and professionals involved in the various aspects of climate change impact on groundwater quality, hydrological process, pollution mitigation strategies, sustainable development, and environmental planning and management.
This book focuses on River Basin Organizations as the key institutions for managing internationally shared water resources. This includes a comparative analysis of all River Basin Organizations worldwide and three in-depth case studies from three different continents. The detailed case studies are the Senegal (West Africa), Mekong (South-east Asia) and Danube (Europe) rivers. The book contributes to the academic debate on how shared natural and environmental resources can be managed in a sustainable way and which institutional and legal mechanisms actually matter for doing so. It adopts the neo-institutionalist approach, according to which international environmental institutions do make a difference. The analysis not only confirms this argument for the specific case of shared water resources, but also refines existing hypotheses on the influence of different independent variables, namely the nature of the collective action problem, the constellation of actors and the institutional design of an international environmental institution. The work also contributes to the policy debate on how to better govern internationally shared natural resources and the environment. It provides policy makers with advice on which exogenous conditions to be aware of when managing water resources they share with co-riparians and which institutional design features and governance mechanisms to set up in order to increase effectiveness in management.
This book addresses strategies for food security and sustainable agriculture in developing economies. The book focuses primarily on India, a fast developing economy, whose natural resource base comprising land and water supporting agricultural production is not only under enormous stress, but also complex and not amenable to a uniform strategy. It critically reviews issues which continue to dominate the debate on water management for agricultural and food production. The book examines the validity of the claim that large water resources projects cause serious social and environmental damages using global and national datasets. The authors examine claims that the future of Indian agriculture is in rain-fed farming supported by small water harvesting. They question whether water-abundant eastern India could become the granary of India, through a groundwater revolution with the right policy inputs. In the process, they look at the less researched aspect of the food security challenge, which is land scarcity in eastern India. The book analyzes the physical, economic and social impacts of large-scale adoption of micro irrigation systems, using a farming system approach for north Gujarat. Through an economic valuation of the multiple use benefits from tank systems in western Orissa, it shows how value of water from large public irrigation systems could be enhanced. The book also looks at the reasons for the limited success in bringing about the much needed institutional reforms in canal irrigation for securing higher productivity and equity using case studies of Gujarat, Madhya Pradesh and Maharashtra. Finally it addresses how other countries in the developing world, particularly Sub-Saharan Africa could learn from Indian experience.
-Written by the authors of key spatial R packages -Makes spatial data analysis more robust -Integrates with the tidyverse and comparable approaches -Includes many easily reproducible examples
This title, first published in 1987, provides an authoritative account of both the science and the politics of acid rain. Chris Park places the debates surrounding acid rain in context, and examines the full implications of scientific studies and the effects of acid rain on surface waters, soils and buildings. Evidence is drawn from around the world, including an examination of the damage in Scandinavia and Germany and the effects of acid rain in the U.K. and U.S.A. A comprehensive and relevant work, this is an important guide for students of geography, environment and sustainability and energy policy.
Proceedings of a conference on "Integrated River Basin Management under the Water Framework Directive," held at Le Nouveau Si cle, Lille, France on 26th-28th April 2010. The book reviews technical challenges faced by EU Member States, stakeholder organisations and scientists while developing the first River Basin Management Plan under the Water Framework Directive (WFD). It focusses on aspects of multi-sectoral and multidisciplinary integration and how emerging issues such as adaptation to climate change will be considered in the future."
Applications in Hydrogeology for Geoscientists presents the most recent scientific developments in the field that are accessible yet rigorous enough for industry professionals and academic researchers alike. A multi-contributed reference that features the knowledge and experience of the field's experts, the book's chapters span the full scope of hydrogeology, introducing new approaches and progress in conceptualization, simulation of groundwater flow and transport, and progressive hydro-geophysical methods. Each chapter includes examples of recent developments in hydrogeology, groundwater, and hydrology that are underscored with perspectives regarding the challenges that are facing industry professionals, researchers, and academia. Several sub-themes-including theoretical advances in conceptualization and modeling of hydro-geologic challenges-connect the chapters and weave the topics together holistically. Advances in research are aided by insights arising from observations from both field and laboratory work.
This book accounts for the previously inadequately explained transformation in the meaning of equity in sixteenth century England, a transformation which, intriguingly, first comes to light in literary texts rather than political or legal treatises. The book address the two principal literary works in which the transformation becomes apparent, Thomas More's Utopia and Edmund Spenser's Faerie Queene, and sketches the history of equity to its roots in the Greek concept of epieikeia, uncovering along the way both previously unexplained distinctions, and a long-obscured esoteric meaning. These rediscoveries, when brought to bear upon the Utopia and Faerie Queene, illuminate critical though relatively neglected textual passages that have long puzzled scholars.
First published in 1969, Water, Earth, and Man, was written to demonstrate the advantages of adopting a unified view of the earth and social sciences. The book considers the connection between an understanding of physical environments and an understanding of social environments. It explores the hydrologic cycle and highlights the significance of the relationship between natural environments and the activities of humankind, drawing together physical and human geography to produce a highly detailed study.
Presents an overview of current and developing treatment technologies for water polluted with emerging pollutants Gives in-depth account and analysis of advanced materials and methods for separation and treatment Reviews analytical techniques applied to detect emerging pollutants Discusses overall effect of policies on current chemicals/plastics/APIs in the market Includes pertinent case studies and regulations
* case study based to provide concrete examples of GIS and 3D modelling * identifies and explores new paradigms of data management and representation, helping archaeologists and specialists in the cultural heritage sector to take advantage of full reconstructed 3D environments * Serves as a textbook for courses in GIS and 3D modelling but will also provide a useful guide for practicing archaeologist
Sludge transportation costs can represent a large fraction of the expenses associated with municipal and faecal sludge management. These costs can be mitigated through the use of thermal drying approaches to reduce the sludge volume. This thesis described the application of a novel microwave-based pilot-scale unit as an alternative technology for the sanitisation and drying of sludge from municipal wastewater treatment plants and on-site sanitation facilities. The potential economic benefits of volumetric heating, moisture levelling, and increased liquid and vapour migration from the interior to the surface of the product underpins the increasing interest in the use of microwave technology during sludge treatment processes. According to the findings of this study, these factors lead to faster processing times, improved drying rates, and a reduced physical footprint. Furthermore, microwave technology operates as a standalone treatment unit. When coupled with mechanical dewatering techniques and membrane separation technology, it can increase the reliability of the technology employed in the treatment of sludge while recovering valuable resources through an agricultural or thermochemical application such as (co-) combustion. The results of this work demonstrate the strong feasibility of applying microwave-based technology within initiatives designed to protect the environment and safeguard public health.
* case study based to provide concrete examples of GIS and 3D modelling * identifies and explores new paradigms of data management and representation, helping archaeologists and specialists in the cultural heritage sector to take advantage of full reconstructed 3D environments * Serves as a textbook for courses in GIS and 3D modelling but will also provide a useful guide for practicing archaeologist
This book describes pathogen removal processes in aerobic granular sludge (AGS) wastewater treatment systems. Faecal indicators (E. coli, Enterococci, coliforms and bacteriophages) were tracked in full-scale AGS facilities and compared to parallel activated sludge (CAS) systems. AGS showed similar removals as the more complex CAS configurations. Removal mechanisms investigated in laboratory-scale reactors showed that the AGS morphology contributes to the removal processes. By tracking E. coli and MS2, it was observed that organisms not attached to the granules are predated by protozoa during aeration. 18S RNA gene analyses confirmed the occurrence of bacterivorous organisms (e.g., Epistylis, Vorticella, Rhogostoma) in the system. Particulate material in the feeding stimulated their development, and a protozoa bloom arose when co-treating with (synthetic) faecal sludge (4 % v/v). An overview of the diverse eukaryotic community in laboratory reactors and real-life applications is also provided. The microbial diversity of the influent was different compared to AGS and CAS sludge samples. However, no clear differences were found between them on species level. This study contributes to a better understanding of the mechanisms behind pathogen removals in AGS systems. |
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