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Books > Earth & environment > Earth sciences > The hydrosphere > General
Bio-refinery approach of microbial fermentation, production of biogas, bioenergy, enzymes, bioactive molecules, agricultural nutrient and many more, which is presently restricted to specific journals, review articles and research papers in conference proceedings. Hence, my effort is to provide a complete and globally available advance knowledge in wastewater treatment with an aim of recovery of value added products. This will help in designing new approaches of waste water treatment with this value added thoughts. Thus, it will be a boon for a concern broad range of readers and industry professionals to their means of technology development for pollution prevention and economic growth of the country.
Groundwater is endangered and polluted in several ways. Conservation and better management of this invisible resource should be a key ingredient of sustainable water policies. This is especially true in areas, such as many Mediterranean regions, which are already exposed to scarcity problems and which are likely to experience increasing competition between freshwater uses and users. Agriculture is an important user of groundwater not only in terms of abstractions, but also in terms of generation and release of pollutants. Agricultural policies, traditionally directed towards other objectives, are beginning to pay more attention to environmental considerations. However more effective initiatives are required to reduce the pressure upon groundwater resources and to achieve a better integration between agricultural and environmental policies. This book has been developed from three workshops held as part of the EU Concerted Action SAGA, "Sustainable Agricultural Use of Aquifers in Southern Europe: Integration between Agricultural and Water Management Policies" (FAIR5-CT97-3673). The Concerted Action and the workshops brought together researchers working in different but complementary fields, in order to get a picture of the state-of-the art about interlinkages between agriculture and groundwater, as well a critical review of alternative regulatory approaches and policy instruments aimed at improving groundwater management.
This is a unique book that deals with the problem soils, their constraints and management in the Indian context. The book starts with the introduction on problem soils and the classification of these soils are included there under. In India, there is wide spread occurrence of soils with different types of constraints for crop production. Such soils are popularly called as "Problem Soils". Cultivation in these soils is not so easy as several problems have to be tackled during cultivation. It may be either soil droughtiness or acidity or salinity etc. An attempt has been made in this book to cover most of the problematic soils in India. The classification of problem soils has been done based on the limitations they possess and the most dominant limitation is taken into consideration for grouping it under a particular class. Here five broader classes have been identified viz., soils with climatic problems; soils with physical problems; soils with chemical problems; soils with biological problems and soils with problems due to anthropogenic reasons.
This book discusses various issues relating to water resources, climate change and sustainable development. Water is the main driving force behind three major pillars of sustainable development: environmental, social and economic. As stated in the United Nations Sustainable Development Goals, development of these pillars rests on the availability and management of resources to fulfill the demand for water. By identifying the various challenges in the context of water resources and climate change, the book offers insights into achieving a better and more sustainable future. It provides a unique forum for practitioners and academics to exchange ideas on emerging issues, approaches, and practices in the area of water resources, climate change, and sustainability, while also presenting valuable information for policymakers on the changing contours of water management and climate change mitigation. As such it is a useful resource for decision-makers at the local as well as the global level.
This book will serve as a reference guide, and state-of-the-art review, for the wide spectrum of numerical models and computational techniques available to solve some of the most challenging problems in coastal engineering. The topics covered in this book, are explained fundamentally from a numerical perspective and also include practical examples applications. Important classic themes such as wave generation, propagation and breaking, turbulence modelling and sediment transport are complemented by hot topics such as fluid and structure interaction or multi-body interaction to provide an integral overview on numerical techniques for coastal engineering. Through the vision of 10 high impact authors, each an expert in one or more of the fields included in this work, the chapters offer a broad perspective providing several different approaches, which the readers can compare critically to select the most suitable for their needs. Advanced Numerical Modelling of Wave Structure Interaction will be useful for a wide audience, including PhD students, research scientists, numerical model developers and coastal engineering consultants alike.
1. Focuses on all water pollution control regulations and the requirements of any water pollution control permits available up to date. 2. Answers in depth all practical questions that arise when working on compliance projects in a "how to" method. 3. Addresses a wider spectrum of issues that go beyond chemical-based contamination and environmental regulations and examines the impacts of climate change. 4. Includes many real-life examples and case studies from industry and institutions that comply with water quality regulations. 5. It is global in coverage and very useful to companies that have expanded operations outside their country of origin.
Each year, floods cause an enormous amount of global economic and social damage, impacting transportation systems, water supplies, agriculture, and health. Response management to catastrophic floods require increased measures involving integrated planning, adaptation, and recovery strategies in order to protect against human loss. Decision Support Methods for Assessing Flood Risk and Vulnerability is a pivotal reference source that provides vital research on the application of effective models and tools focused on the diagnosis of vulnerability to flooding risks and evaluates and measures the impact of floods on socio-economic wellbeing. While highlighting topics such as hydrological events, soil erosion, and flood vulnerability, this publication explores methods of identifying appropriate adaptation strategies. This book is ideally designed for researchers, students, academicians, policymakers, government officials, and technology developers seeking current empirical research findings to be used to improve the overall understanding of the flood phenomenon.
The book provides a cross-sectoral, multi-scale assessment of development-directed investigations in the main rivers of wider Central Asia and Afghanistan. The book highlights the development of river systems, water reservoirs, ecosystems and risks as well as the impact of climate change on water resources in Central Asian countries and Afghanistan. It provides information on the genesis of river basins, physical and chemical properties of water in rivers, and the hydrological regimes of the rivers of Central Asia and Afghanistan. The book is useful for scientists and researchers whose work focuses on rivers and the use of water resources, irrigation, ecosystems, risks, water supply, climate change and remote sensing, as well as for students and planners, administrations and other stakeholders in the water sector.
Guides the reader into the mysteries of water. Provides a state-of-the-art overview in computer simulations and experiments on water. Brings together leading scientists in the field of water.
An in-depth discussion of the thermodynamics and kinetics of natural waters Divided into three major parts–structure of matter, chemical thermodynamics, and chemical kinetics– physical chemistry is concerned with the measurement, description, and prediction of the characteristics of chemical systems and their interaction with each other with respect to the transfer of mass and energy. Physical Chemistry of Natural Waters explores how the basic concepts of physical chemistry can be used to understand the chemistry of natural waters, with most of the text confined to chemical thermodynamics and kinetics. The extensive material in this book is the result of a course in marine physical chemistry that the author has taught over the past decade. Dr. Millero incorporates his own personal interest in solution physical chemistry and his approach to understanding the physical chemistry of seawater with the text’s vast coverage of the physical chemistry of liquid phases. In addition, detailed reviews of the basics of thermodynamics and kinetics provide a comprehensive overview for a clearer understanding of the topics covered. Environmental and physical chemists conducting research on water, seawater, rivers, lakes, and groundwater as well as graduate students studying environmental chemistry will find Physical Chemistry of Natural Waters a solid foundation on the subject of the physical chemistry of natural waters.
This book is an overview of current state of the art about monitoring of inundation events through remote sensing. A complete approach to efficient and precise flood monitoring requires multiple fields of expertise, from image processing to hydrologic monitoring. This volume details the latest remote sensing techniques for flood monitoring and mapping, including use of optical data from geostationary sensors and LEO spacecraft, synthetic aperture radar (SAR) data analysis, and data fusion. Detailed case studies from a variety of subject experts illustrate these tools and techniques. Accurate monitoring of flood events is increasingly necessary to gain insight about both causes and remedies. Floods are one of the most destructive hazards to the human populations, they can occur practically everywhere on the Earth surface, and each year cause considerable harm and damage to infrastructures. The recent Flood directive in European Countries is contributing to a more quantitative approach to flood hazard and risk evaluation.
This volume advances the scientific understanding, development, and application of geospatial technologies related to groundwater resource management, mapping, monitoring, and modelling using up-to-date remote sensing and GIS techniques. The book further provides a critical analysis of the debates and discourses surrounding groundwater resources and society, illustrates the relationship between groundwater resources and precision agriculture for societal development, and describes novel, region-specific management strategies and techniques for sustainability with case studies. The book is organized into three parts: (I) Groundwater resources and societal development; (II) Groundwater availability, quality and pollution; and (III) Sustainable groundwater resources management. Each section begins with a short introduction that includes an overview of the papers in that section. Individual chapters focus on the core themes of research and knowledge along with some topics that have received lesser attention. The book will be of interest to water resource planners and decision-makers, academic researchers, policy makers, NGOs, and academic researchers and students in Geography, Geophysics, Hydrology, Remote Sensing & GIS, Agriculture, Soil Science, and Agronomy.
This volume offers detailed comparisons and validations of different methods of assessing groundwater vulnerability (DRASTIC, GOD, PI, RTt, AVI, SINTACS, COP). It contains new aspects of vulnerability assessment for the evaluation of coastal aquifer vulnerability and aquifer vulnerability to methane gas leakage from shale gas wells. The book also contains the results of studies on intrinsic and specific vulnerability assessment (migration of antibiotics and nitrate, groundwatersurface water interaction), with examples of the different national approaches to groundwater vulnerability mapping in Poland, Ireland, Italy and elsewhere. There are 15 chapters derived from two IAH conferences held in Ustron, Poland in 2015 and 2018. The book is valuable for those interested in groundwater vulnerability, in risk assessment, and in environmental issues. It is aimed at land use planners, water managers, the environmental industry, regional and local environmental protection councils and students studying hydrogeology and environmental sciences.
Laws of the Sea assembles scholars from law, geography, anthropology, and environmental humanities to consider the possibilities of a critical ocean approach in legal studies. Unlike the United Nations' monumental Convention on the Law of the Sea, which imagines one comprehensive constitutional framework for governing the ocean, Laws of the Sea approaches oceanic law in plural and dynamic ways. Critically engaging contemporary concerns about the fate of the ocean, the collection's twelve chapters range from hydrothermal vents through the continental shelf and marine genetic resources to coastal communities in France, Sweden, Florida, and Indonesia. Documenting the longstanding binary of land and sea, the chapters pose a fundamental challenge to European law's "terracentrism" and its pervasive influence on juridical modes of knowing and making the world. Together, the chapters ask: is contemporary Eurocentric law-and international law in particular-capable of moving away from its capitalist and colonial legacies, established through myriad oceanic abstractions and classifications, toward more amphibious legalities? Laws of the Sea will appeal to legal scholars, geographers, anthropologists, cultural and political theorists, as well as scholars in the environmental humanities, political ecology, ocean studies, and animal studies.
The book provides a critical evaluation of South Africa's freshwater resources to illustrate the way in which its freshwater resources, water access, services and infrastructure have continued to decline over the past three decades. The continued decline of water governance, management, water service delivery, dilapidated water infrastructure, dysfunctional local governments and overall excessive water degradation is illustrated and emphasized using real-life examples and case studies from various contexts within the country. The main argument of the book is that South Africa's freshwater resources have declined to such an extent that it can be described as a predicament. Questionable water governance decisions and reactive water management practices have led to no improvement and/or increased degradation of freshwater resources. An overall lack of service delivery exists across the country, in various contexts, leading to further water and social decline. An inter-disciplinary evaluation of South Africa's current water predicament is provided, major water crises are prioritized, and suitable recommendations are given to transform its predicament into problems which can be addressed. Suitable background information is given to emphasize the necessity of good water governance, management, and service delivery. South Africa's freshwater resources are evaluated with specific focus on the decline of informed water governance, management, service delivery and water quality. Factors requiring urgent attention are determined and suitable recommendations and/or actions are provided. An evaluation and overall synthesis focused on the transformation of the predicament into problems is provided. Primary water problems are prioritized according to urgency and suitable recommendations are given to assist in transforming the country's current complex water predicament into "simpler" water problems. Political will, collaboration with researchers, stakeholders, non-governmental organizations, and cooperation of civil society is required. South Africa's already scarce freshwater resources and decaying infrastructure will persist and possibly collapse if no major actions or interventions are implemented.
This book compiles the latest findings in the field of marine and brackishwater aquaculture. It covers significant topics such as techniques of culture of live feeds (microalgae, rotifer, Artemia, marine copepod & polychaetes), while also highlighting vital themes like the culture and applications of free and marine sponge associated microbial probiotics, controlled breeding, seed production and culture of commercially important fin and shell fishes. Moreover, the book focuses on the breeding and culture of marine ornamental fishes, sea cucumber and sea urchin and discusses seaweeds culture, aqua feed formulation and nutrition, water quality management in hatchery and grow-out culture systems, fish disease diagnosis and health management and cryopreservation of fish gametes for sustainable aquaculture practices, all from a multidimensional perspective. The global fish production was 154 million tonnes in 2011 which more or less consisted of capture and culture fisheries (FAO, 2012). Roughly 80% of this is from inland-freshwater aquaculture and the remainder from capture fisheries in the marine and brackishwater sector. However, marine and brackishwater catches have recently begun to diminish due to overexploitation, climate change and pollution. The UNEP report affirmed that if the world remains on its current course of overfishing, by 2050, the ocean fish stock could become extinct or no longer commercially viable to exploit. In these circumstances, aquaculture is considered to be a promising sector to fulfill our future protein requirement. However, brackishwater and marine fish production now face serious challenges due to e.g. lack of quality fish seeds, feeds, poor water quality management and diseases. Fisheries and aquaculture sectors play a vital role as potential sources of nutritional security and food safety around the globe. Fish food is rich in protein, vitamins, phosphorous, calcium, zinc, selenium etc. In addition, fish contains omega-3 fatty acids, which help to prevent cardiovascular diseases. Fish food can also provide several health benefits to consumers. The omega 3 fatty acids found in fish can reduce the levels of LDL cholesterol (the "bad" cholesterol) and increase the HDL levels (the "good" cholesterol). Research conducted in Australia has proved that fish consumption can be used to cure hypertension and obesity. It is also reported that people who ate more fish were less prone to asthma and were able to breathe more easily. Omega 3 fish oil or fish consumption can help to prevent three of the most common forms of cancer: breast cancer, colon and prostate cancer. The omega 3 fatty acids present in fish or fish oil induce faster hair growth and prevent hair loss. Since most varieties of fish are rich in protein, eating fish helps to keep hair healthy. Furthermore, fish or fish oil helps in improving the condition of dry skin, giving it a healthy glow. It is useful in treating various skin problems such as eczema, psoriasis, itching, redness of skin, skin lesions and rashes. It is well known that eating fish improves vision and prevents Alzheimer's and type-2 diabetes, and can combat arthritis. Further, fish oil or fish is good for pregnant women, as the DHA present in it helps in the development of the baby's eyes and brain. It helps to avoid premature births, low birth weights and miscarriages. In addition, it is widely known that fish can be a good substitute for pulses in cereal-based diets for the poor. The global fish production was roughly 154 million tonnes in 2011 (FAO, 2012). It is estimated that by 2020 global fish requirements will be over 200 million tonnes; as such, innovative technological improvements are called for in order to improve the production and productivity in fisheries. In this context, this book provides valuable information for academics, scientists, researchers, government officials and farmers on innovative technological advances for sustainable fish production using aquaculture methods. The book identifies the main issues and trends in marine and brackishwater aquaculture from a global perspective in general and in the Indian context in particular. It includes 23 chapters written by prominent researchers from various institutes and universities across India, who address the latest aquaculture technologies with distinctive approaches to support academics, researchers and graduates in the fields of Fisheries, Aquaculture, Marine Science, Marine Biology, Marine Biotechnology, Zoology and Agricultural Sciences. Our thanks go to our contributors; we are confident that all readers will immensely benefit from their valued expertise in the field of marine and brackishwater aquaculture.
This book highlights the first comparative long-term analysis of the negative impacts of large dams on riverine communities and on free-flowing rivers in Africa, the Middle East and Asia. Following the Foreword by Professor Asit K. Biswas, the first section covers the 1956-1973 period, when the author believed that large dams provided an exceptional opportunity for integrated river basin development. In turn, the second section (1976-1997) reflects the author's increasing concerns about the magnitude of the socio-economic and environmental costs of large dams, while the third (1998-2018) discusses why large dams are in fact not cost-effective in the long term.
This Volume 2 contains essential contributions highlighting the use of biotechnology in dye removal. It begins with an overview of activated sludge process for dye removal along with its limitation is carried out and describes the fundamental concepts of dye-containing textile wastewater treatments, particularly microbial and enzymatic approaches, including the most usual textile wastewater treatments and their trends. It discusses the role microbial biofilms play when employed in the integrated treatment system for effective detoxification, degradation and complete mineralization of pollutants in dye waste effluents. It assesses the most recent advances in the biotransformation of synthetic dyes from wastewater, especially anthraquinone-typed dyes. Phycoremediation as an emerging and efficient technology in dye removal, remediation strategies used by microalgae, and the role of fungi in the dye removal are presented.
This unique book focuses on remote sensing (RS) and geographical information systems (GIS) in Iraq. The environmental applications include monitoring and mapping soil salinity and prediction of soil properties, monitoring and mapping of land threats, proximal sensing for soil monitoring and soil fertility, spatiotemporal land use/cover, agricultural drought monitoring, hydrological applications including spatial rainfall distribution, surface runoff and drought control, geo-morphometric analysis and flood simulation, hydrologic and hydraulic modelling and the effective management of water resources. Also, this book assesses the impacts of climate change on natural resources using both RS and GIS, as well as other applications, covering different parts of Iraq. The book chapters include tens of maps extracted from the remotely sensed datasets, in addition to tables and statistical relations obtained from the results of the studies of the chapters' authors. These studies have been conducted in different parts of Iraq; in the north (Kurdistan region) with its mountainous and undulating lands, in western parts which have desert soils, and in central and southern Iraq where there are salty soils, dunes, wetlands, and marshes. The book is written by distinguished scientists from Iraq, China, USA, Italy, Iran, Germany, and the Czech Republic who are interested in the Iraqi environment. The book is therefore a useful source of information and knowledge on Iraqi environment for graduate students, researchers, policy planners, and stakeholders in Iraq as well as similar regions.
This book presents the background and context of an urban health issue, research findings, and recommendations for policy/decision-makers and action-takers. This book is a collection of policy briefs produced from research presented at the 16th Conference on Urban Health in Xiamen, China, during November 4-8, 2019, under the theme "People Oriented Urbanisation: Transforming Cities for Health and Well-Being," co-organized by the Urban Health and Wellbeing (UHWB) programme of the International Science Council (ISC), The 15th Annual Session of Global Forum on Human Settlements in Shenzhen, China, during October 15-16, 2020, and the Chinese Academy of Sciences & Technology (CAST) International Conference on "Digital economy and green development" held during November 2020. The UHWB programme takes an interdisciplinary, cross-sectoral, and systemic view on issues of health and well-being in cities which include the urban economy and finance systems, education, employment, mobility and transport, food, energy and water resources, access to public services, urban planning, public spaces and urban green, as well as social inclusion. Contributions to this book have been made by scientists from multidisciplinary research fields. The policy briefs in this book provide an interdisciplinary and cross-sectoral perspective on urban health and human well-being issues, primarily food security, urban infrastructure, public services, traffic and transportation, smart city building, urban health and safety, social cohesion sustainable development policies, and urban planning. In some case, it informs about urban health issues in different regions of the world, the current status, and key insights into addressing related issues, with emphasis on factual cases in the current COVID-19 pandemic. The book is intended for citizens and political decision-makers, who are interested in systems perspectives on urban health and well-being, examples of how to deal with the increasing complexity of cities and the accompanying environmental and social impacts of increasing urbanization. Furthermore, it hopes to inspire decision-makers to facilitate finding solutions, in order to reach the goal of advancing global urban health and well-being.
1. The first book on a modern technology that is replacing traditional technology globally. 2. Written by the inventor of the FLUTe technology with 25-year experience of successful applications. 3. Describes FLUTe technology in details including theory behind the tools, how to use the tools, and the mathematics used to interpret data generated by the tools. 4. Provides step by step explanations on how to conduct the fieldwork and how to analyze data gathered. 5. Minimizes the reliance on mathematical explanations and uses illustrations and examples that allow the reader to understand the technology.
The geo-hydro-morphometry of the river Ganges has a history of
long and wide variations as the river is continuously fed by the
high Himalayas hill ranges, the highest in the world. The river is
categorized as an international one, passing through several
independent countries. Audience The book will be of interest to researchers and scientists, professionals and policymakers in water resources management and environmental science, conservation policy and development research.
* This book deals with modern scientific methods and techniques to analyse fluvial process. * It highlights the concept of river channel stability and instability using channel morphology and demonstrates field techniques to assess channel morphology. * It will be useful for students, teachers and researchers of geography, earth sciences and environmental geology across UK and US. It will also be useful for geographers, civil engineers, hydrologists, geomorphologists, planners and other concerned authorities who are working on fluvial processes and riverbank erosion problems worldwide.
This book presents a newly designed dynamic fluidic sprinkler (DFS) to improve hydraulic performance of the existing complete fluidic sprinkler (CFS) under low-pressure conditions. Sprinkler irrigation has high prospects for improving water management in crop production. In recent years, low-pressure water-saving has become an important research content in the field of sprinkler irrigation. It introduces the effect of riser height on rotation uniformity and application rate of the dynamic fluidic sprinkler. It also discusses the intelligent sprinkler irrigation technologies for autonomous and remote sensing system. This book will be a useful reference for researchers and professionals in the field of agriculture and irrigation. |
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