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Books > Earth & environment > Earth sciences > The hydrosphere
"The Upper Ocean" acollection of articles from the Encyclopedia
of Ocean Sciences, 2nd Edition reflects the trend toward
theinterdisciplinary study of oceanography,
whichintegratesthedisciplines of biology, chemistry, geology and
physics. The upper ocean s contact with the atmosphere profoundly
impacts climate, making this reference both timely and critical.The
selection of articles all written by experts in their field focuses
on Air-Sea Transfers; Air-Sea Chemical Exchanges and Cycles; The
Sea Surface, Waves and Upper Ocean Processes; Upper Ocean
Circulation and Structure; Plankton;Ice; andMeasurement Techniques
includingRemote Sensing.
For more than 200 years, the Fourier Transform has been one of
the most important mathematical tools for understanding the
dynamics of linear wave trains. Nonlinear Ocean Waves and the
Inverse Scattering Transform presents the development of the
nonlinear Fourier analysis of measured space and time series, which
can be found in a wide variety of physical settings including
surface water waves, internal waves, and equatorial Rossby waves.
This revolutionary development will allow hyperfast numerical
modelling of nonlinear waves, greatly advancing our understanding
of oceanic surface and internal waves. Nonlinear Fourier analysis
is based upon a generalization of linear Fourier analysis referred
to asthe "inverse scattering transform," the fundamental building
block of which is a generalized Fourier series called the Riemann
theta function. Elucidating the art and science of implementing
these functions in the context of physical and time series analysis
is the goal of this book. geared toward both the introductory and advanced reader venturing further into mathematical and numerical analysis suitable for classroom teaching as well as research "
A true story of catastrophe and survival at sea, "Fatal Forecast" is a spellbinding moment-by-moment account of seventy-two hours in the lives of eightyoung fishermen, some of whom would never set foot on dry land again. On the morning of November 21, 1980, two small Massachusetts lobster boats set out for Georges Bank, a bountiful but perilous fishing ground 130 miles off thecoast of Cape Cod. The National Weather Service had forecast typical fallweather, and the young, rugged crewmen aboard the "Sea Fever" and the "Fair Wind" had made dozens of similar trips that season. They had no reasonto expect that this trip would be any different. But the only weather buoy on Georges Bank was malfunctioning, and the NationalWeather Service had failed to share this fact with the fishermen who dependedon its forecasts. As the two small boats headed out to sea, a colossal storm wasbrewing to the southeast, a furious maelstrom the National Weather Service didnot accurately locate until the boats were already caught in the storm's grip, trapped in the treacherous waters of Georges Bank. Battered by sixty-foot waves and hurricane-force winds, the crews of the "FairWind" and the "Sea Fever" (captained by Peter Brown, whose father ownedthe "Andrea Gail" of "Perfect Storm" fame) struggled heroically to keep their vessels afloat. But the storm soon severely crippled one boat andoverturned the other, trapping its crew inside. Meticulously researched and vividly told, "Fatal Forecast" is first andforemost a tale of miraculous survival. Most amazing is the story of Ernie Hazzard, who managed to crawl inside a tiny inflatable life raft and then spentmore than fifty terrifying hours adrift on the stormy open sea. By turns tragic, thrilling, and inspiring, Ernie's story deserves a place among the greatestsurvival tales ever told. Equally riveting are the stories of the brave men and women from the Coast Guardand the crew of a nearby fishing boat who imperiled their own lives that day inorder to save the lives of others. As gripping and harrowing as "The Perfect Storm" - but with a miracle ending - "Fatal Forecast" is an unforgettable true story about the collision of two spectacular forces: the brutality of nature and the human willto survive.
The central theme of this book is focused on the analyses and the results which emerged from the international research project BRAHMATWINN sponsored by European Commission (EC) and conducted during 2006 - 2009. The book highlights the achievements of BRAHMATWINN to carry out a harmonised integrated water resources management (IWRM) approach as addressed by the European Water Initiative (EWI) in headwater river systems of alpine mountain massifs. The latter are already impacted from climate change, and the BRAHMATWINN project established transfer of professional IWRM expertise, approaches and tools based on case studies carried out in twinning European and Asian river basins. The project addresses all important IWRM issues in a balanced way, including conflict resolution in the trans- boundary Danube and Brahmaputra River Basins in Europe and South Asia respectively. This book will be useful to researchers, professionals, managers and decision makers associated with study and application of sustainable integrated land and water resources management (ILWRM) in the backdrop of climate change.
The ongoing thread in this volume of Physics of Lakes is the presentation of different methods of investigation for processes taking place in real lakes with a view to understanding lakes as components of the geophysical environment. It is divided into three parts. Part I is devoted to numerical modeling techniques and demonstrates that (i) wind-induced currents in depth-integrated models can only adequately predict current fields for extremely shallow lakes, and (ii) that classical multi-layered simulation models can only adequately reproduce current and temperature distributions when the lake is directly subjected to wind, but not the post-wind oscillating response. This makes shock capturing discretization techniques and Mellor-Yamada turbulence closure schemes necessary, as well as extremely high grid resolution to reduce the excessive numerical diffusion. Part II is devoted to the presentation of principles of observation and laboratory experimental procedures. It details the principles of operation for current, temperature, conductivity and other sensors applied in the field. It also discusses the advantages and limitations of common measuring methods like registration from stationary or drifting buoys, sounding and profiling from a boat, etc. Questions of data accuracy, quality, and reliability are also addressed. The use of laboratory experiments on a rotating platform is based on an exposition of dimensional analysis and model theory and illustrated using Lake Constance as an example. Part III gives an account of the dynamics of lake water as a particle-laden fluid, which, coupled with the transport of the bottom sediments, leads to morphodynamic changes of the bathymetry in estuarine and possibly whole lake regions. An elegant spatially one-dimensional theory makes it possible to derive analytic solutions of deltaic formations which are corroborated by laboratory experiments. A full three-dimensional description of the evolution of the alluvial bathymetry under prescribed tributary sediment input indicates a potential subject for future research.
Papers presented at the 10th in a series of conferences on River Basin Management are contained in this book. The included works mark a growing global interest in the planning, design and management of river basin systems and take in to account all aspects of Hydrology, Ecology, Environmental Management, Flood Plains and Wetlands. Catastrophic events such as floods and associated landslides, erosion and sedimentation can have serious effects not only on life and property but also on the basin ecology. Frequently these problems are aggravated by the unforeseen consequences of man made changes in the river basin. This has led in recent years to work on river restoration and rehabilitation with various degrees of success. Changes in the landscape, use of the land and climate conditions leads to a continuous revaluation of river basin management objectives requiring the development of better measuring tools in conjunction with accurate computer technology. Specific themes covered in this volume include: Water resources management; Flood risk management; Ecological and environmental impact; Erosion and sediment transport; Hydrological modelling; River restoration and rehabilitation; Hydropower issues and development; River and watershed management; Water quality issues; Organic contamination management; Agricultural pollution; Transboundary water issues; Estuaries and deltas; Climate change; Remote sensing; Hydraulic structures; Rain water management; Water energy nexus; Drought assessment and management; Ecosystem services.
Dispersion in Estuaries and Coastal Waters describes the physical processes which result in the dilution of a substance in the marine environment. The emphasis is mainly on the fundamental mechanisms of dispersion and the occurrence of these processes in estuaries and coastal waters Aspects of the present understanding of fluid dynamics in homogenous and stratified flows are discussed, with particular reference to the relevance of flow conditions to the turbulent state. The book describes how the associated dispersion processes are represented in mathematical models to quantify dilution in marine systems and the experimental techniques used to derive the mixing parameters required for the models. Concluding by discussing the application of the concepts of dispersion in well mixed, stratified and partially mixed systems, Dispersion in Estuaries and Coastal Waters acts as an excellent guide book for those needing to solve practical problems relating to marine dispersion. It also provides a useful review of dispersion as it cites key publications, both recent and long-standing, which are invaluable in interpreting and quantifying the dilution and fate of material in the marine environment.
These Workshop Proceedings reflect problems concerning advanced geo-information science with a special emphasis on deep virtualization for mobile GIS. They present papers from leading scientists engaged in research on environmental issues from a modeling, analysis, information processing and visualization perspective, as well as practitioners involved in GIS and GIS applications development. The proceedings examine in detail problems regarding scientific and technological innovations and deep virtualization for mobile GIS, its potential applications, and the monitoring, planning and simulation of urban systems with respect to economic trends as related to: Artificial intelligence; Knowledge-based GIS; Spatial ontologies in GIS; Positioning and analyzing moving information; Energy GIS; GIS data integration and modeling; Environmental management; Urban GIS; Transportation GIS; Underwater acoustics and GIS; GIS and real-time monitoring systems; GIS algorithms and computational issues; Data reliability and quality assurance for open data; Spatial and data quality; and lastly Open source GIS.
This book aims to come up with views to address the queries of planners, policymakers, and general people for water resources management under uncertainty of climate change, including examples from Asia and Europe with successful adaptive measures to change the challenge of climate change into opportunities. The availability of clean water is a major global challenge for the future due to a rapidly growing population and urbanization where further stress in water resources is expected due to the impact of climate change. The wide range of impacts includes for example changes in hydrology, moisture availability, spatial and temporal variations in magnitude of stream flow, and dwindling of water levels with adverse effect on wetlands and ecosystem. As a consequence, water management has become a serious issue and was identified as a global societal challenge, and climate change forecasting has become one of the key issues in recent research on sustainable water resources management.
This book presents the most recent innovations, trends, concerns and practical challenges, and solutions in the field of water resources for arid areas. It gathers outstanding contributions presented at the International Water Conference on Water Resources in Arid Areas (IWC 2016), which was held in Muscat, Oman in March 2016. The individual papers discuss challenges and solutions to alleviate water resource scarcity in arid areas, including water resources management, the introduction of modern irrigation systems, natural groundwater recharge, construction of dams for artificial recharge, use of treated wastewater, and desalination technologies. As such, the book provides a platform for the exchange of recent advances in water resources science and research, which are essential to improving the critical water situation
This book presents major hydrological, physicochemical and biological processes determining the formation of hydro-physical properties and chemical composition of terrestrial surface water. Generalized hydro-physical, hydro-chemical and hydro-biological parameters affecting surface water quality, in particular in the Ukraine, are provided. Furthermore, a general description of the anthropogenic factors affecting the process of forming natural water's properties is presented. This volume is of interest to ecologists, and scientists, lecturers and students in higher educational institutions investigating patterns of formation of water properties and working on the development of methodologies to model and assess surface water quality, and water quality classifications.
This book presents results of scientific studies ranging from hydrological modelling to water management and policy issues in the Nile River basin. It examines the physical, hydrometeorological and hydrogeological description of the basin along with analysis in understanding the hydrological processes of the basin under the changing land-use stemming from population pressure and increased natural resources tapping. The book discusses the increased impact of climate change on the river flows, and such issues as water availability and demand, management and policy to offset the imbalance between demand and available resources. This book will be of interest to researchers, practitioners, water resources mangers, policy makers as well as graduate and undergraduate students. It is a useful reference text for ecohydrology, arid zone hydrology, hydrology of transboundary rivers and similar courses.
This title is part of UC Press's Voices Revived program, which commemorates University of California Press's mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1979.
Water balance studies for large and small river basins are the subject of this book. Here, the specific focus is on the soil and water assessment tools (SWAT) model coupled with geographic information system (GIS) remote sensing data for a comprehensive study. Some books available in the market provide an overview of different hydrological models for water balance but not specifically for the SWAT model. This book effectively utilizes the SWAT model to study the water balances in small and large catchments with consistent competence and excellent accuracy for yearly and monthly water balance modules along with suspended sediment yield over several slope classes of the catchments. The approach is new and has been successfully utilized, as discussed in a case study on the Taleghan Catchment in Iran. These implementation models may assist as advantageous techniques for incorporated management of catchments in the direction of sustainable development. This book will help readers who wish to study all the changes related to those in water balances.
The Malaga Symposia Series provides an international forum for scientific debate on the progress made in research into karst environments. The 2010 meeting of the 4th International ISKA presents 80 papers in four key areas: karst hydrogeology and investigations, karst landscape and ecosystems, human interaction with karst environments, and engineering geology in karst areas. This book will be a useful edition to the libraries of consultants, scientists, lecturers, and policy makers concerned with the special issues of karst terrains.
Ocean Currents is a derivative of the Encyclopedia of Ocean Sciences, 2nd Edition and serves as an important reference on current ocean current knowledge and expertise in one convenient and accessible source. Its selection of articles all written by experts in their field focuses on key ocean current concepts. Its topics include ocean currents, the circulation of deep water, the contrasting circulations of the seas, the circulation in fjords, estuaries and the effects of rivers, and the intermittency and variability of the oceans. Ocean Currents serves as an ideal reference for topical research. References related articles on ocean currents to facilitate
further research
Urban subsurface resources and particularly urban groundwater are vulnerable to environmental impacts, and their rational management is of major importance. In this book a multidisciplinary team of specialists and scientists presents innovative process-oriented approaches to the sustainable use of these resources. The included case studies from northwestern Switzerland describe representative environments and are relevant for urban areas in general. They illustrate the protection of groundwater; river restoration; engineering and hydrogeological questions related to urban infrastructure and management concepts; as well as monitoring, modeling and remediation strategies for contaminated sites; problems caused by karst in urban environments; the use of shallow geothermal energy; and natural hazards such as flood events and earthquakes. It is demonstrated that modern quantitative earth sciences can contribute significantly in finding solutions concerning the sustainable use of subsurface resources in urban environments. The book is an invaluable source of information for hydrogeologists, geologists, urban planners, water supply engineers, and environmental agencies. "
This text, written by a leading researcher in the field, describes the origin and formation of lakes in order to give context to the question of how lacustrine deposits form. It explains the process of sedimentation in lakes and the chemistry of those deposits and describes how the age of lake deposits is determined. Additionally, this book shows how different groups of fossils are used in interpreting the paleontological record of lakes. In order to illustrate the more synthetic approaches to interpreting the history of lakes, the author also discusses such special topics as lake-level history, lake evolution, and the impact of environmental change on lakes.
Submarine mass movements are a hidden geohazard with large destructive potential for submarine installations and coastal areas. This hazard and associated risk is growing in proportion with increasing population of coastal urban agglomerations, industrial infrastructure, and coastal tourism. Also, the intensified use of the seafloor for natural resource production, and deep sea cables constitutes an increasing risk. Submarine slides may alter the coastline and bear a high tsunamogenic potential. There is a potential link of submarine mass wasting with climate change, as submarine landslides can uncover and release large amounts greenhouse gases, mainly methane, that are now stored in marine sediments. The factors that govern the stability of submarine slopes against failure, the processes that lead to slope collapses and the collapse processes by themselves need to be better understood in order to foresee and prepare society for potentially hazardous events. This book volume consists of a collection of cutting edge scientific research by international experts in the field, covering geological, geophysical, engineering and environmental aspects of submarine slope failures. The focus is on understanding the full spectrum of challenges presented by this major coastal and offshore geohazard.
Accretionary prisms in convergent margins are natural laboratories for exploring initial orogenic processes and mountain building episodes. They are also an important component of continental growth both vertically and laterally. Accretionary prisms are seismically highly active and their internal deformation via megathrusting and out-of-sequence faulting are a big concern for earthquake and tsunami damage in many coastal cities around the Pacific Rim. The geometries and structures of modern accretionary prisms have been well imaged seismically and through deep drilling projects of the Ocean Drilling Program (and recently IODP) during the last 15 years. Better understanding of the spatial distribution and temporal progression of accretionary prism deformation, structural and hydrologic evolution of the decollement zone (tectonic interface between the subducting slab and the upper plate), chemical gradients and fluid flow paths within accretionary prisms, contrasting stratigraphic and deformational framework along-strike in accretionary prisms, and the distribution and ecosystems of biological communities in accretionary prism settings is most important in interpreting the evolution of ancient complex sedimentary terrains and orogenic belts in terms of subduction-related processes. This book is a collection of interdisciplinary papers documenting the geological, geophysical, geochemical, and paleontological features of modern accretionay prisms and trenches in the northwestern Pacific Ocean, based on many submersible dive cruises, ODP drilling projects, and geophysical surveys during the last 10 years. It also includes several papers presenting the results of systematic integrated studies of recent to ancient on-land accretionary prisms in comparison to modern analogues. The individual chapters are data and image rich, providing a major resource of information and knowledge from these critical components of convergent margins for researchers, faculty members, and graduate and undergraduate students. As such, the book will be a major and unique contribution in the broad fields of global tectonics, geodynamics, marine geology and geophysics, and structural geology and sedimentology.
The Mekong is the most controversial river in Southeast Asia, and
increasingly the focus of international attention. It flows through
6 counties, China, Myanmar, Laos, Thailand, Cambodia and Viet Nam.
The 4 downstream countries have formed the Mekong River Commission
to promote sustainable development of the river and many of their
people depend on it for their subsistence ? it has possible the
largest freshwater fishery in the world, and the Mekong waters
support rice agriculture in the delta in Viet Nam (which produces
about 40% of that country's food) as well as in Cambodia, Laos and
Thailand.
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