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Vadose Zone Hydrology

Vadose Zone Hydrology

Vadose Zone Hydrology describes the elements of the physical processes most often encountered by hydrogeologists and ground-water engineers in their vadose zone projects. It illustrates the application of soil physics to practical problems relevant to the characterization and monitoring of the vadose zone. It includes an introduction to physical processes including basic flow theory and provides examples of important field-scale processes that must be recognizable by hydrogeologists. Considerable attention is given to the concepts of recharge including how it is most accurately evaluated in the vadose zone. Field and laboratory methods for characterizing hydraulic properties in the vadose zone are also covered and case studies illustrating these methods are provided. New and emerging technologies for monitoring the vadose zone particularly for the purpose of detecting contaminants are highlighted. In the last section of the book additional case studies are presented demonstrating applications related to seepage detection landfill monitoring and soil gas investigations. This book is written from the perspective of hydrogeologists and is designed to be directly applicable and to maintain continuity and consistency between chapters. It will be an invaluable primer for environmental or geotechnical consultants regulators or students who have no prior formal academic training in unsaturated flow concepts. Because the text contains some of the latest advances in this field it will be an excellent reference for geologists and engineers currently working on problems of vadose zone hydrology.

GBP 56.99
1

Coastal Zone Management Handbook

Optimization of Water Management in Polder Areas Some Examples for the Temperate Humid and the Humid Tropical Zone

Revival: Migration Processes in the Soil and Groundwater Zone (1991)

Essentials of Polygraph and Polygraph Testing

Soil Invertebrates Kaleidoscope of Adaptations

Structure of the Polymer Amorphous State

Structure of the Polymer Amorphous State

The basic problem of polymer physics is obtaining ˜structure-properties™ correlations for their future application for practical purposes. However these cannot be obtained without the development of a quantitative model of the polymer structure. This problem has been actively investigated during the last 45 years which resulted in obtaining a great amount of experimental (mostly indirect) proofs of existence of the local order in the polymer amorphous state. Now the time has come for creating a structural model of polymer basing based on the local order ideas. The cluster model as presented in this monograph of the polymer amorphous state structure represents the realization of such attempts. The development of this cluster model is based on well-known experimental observation: the behavior of glassy polymers in the area of stimulated high-elasticity plateau is described in the framework of rubber elasticity concepts. This gives an opportunity to present the local order (cluster) zone as a multifunctional entanglement of the physical network consisting of several collinear closely packed segments of different macromolecules (the amorphous analogue of crystallite with extended chains) and surrounded by a packless matrix. An independent method for assessing local order zone fraction in the structure has been elaborated. Segment length in the cluster equals the length of the chain statistical segment that gives a correlation between molecular and structural parameters of the polymer. Application of the cluster model allowed description and obtaining of analytical ˜structure-properties™ correlations for many processes proceeding in polymers: elasticity yielding degradation transport some thermodynamic processes structural relaxation plasticization structural stabilization at thermo-oxidative degradation etc. The relation between the cluster model and some modern physical concepts for instance fractal analysis fluctuation free volume kinetic | Structure of the Polymer Amorphous State

GBP 56.99
1

Sand Dunes of the Northern Hemisphere: Distribution Formation Migration and Management Volume 2: Characteristics Dynamics and Provenance

Sand Dunes of the Northern Hemisphere: Distribution Formation Migration and Management Volume 2: Characteristics Dynamics and Provenance

Volume 2 of the book ‘Sand Dunes of the Northern Hemisphere’ is sub-titled Characteristics Dynamics and Provenance of Sand Dunes in the Northern Hemisphere. It brings together a vast body of information and insight into sand dune and desert systems from North Asia Central Asia North Africa and the Middle East. Chapters from the Russian Federation include studies on dune systems within the permafrost zone and there is a case study from temperate zone dune system in coastal Japan. Volume 2: Characteristics Dynamics and Provenance of Sand Dunes in the Northern Hemisphere of 16 chapters in three Parts focusses on Saharan Africa Egypt and Middle East and gives attention to sand mobility and encroachment with case studies from a number of countries where these matters are of concern. We also include chapters on the remote dunes in the permafrost zone and in the hyper-arid deserts of Iran. Case studies are used to highlight the characteristics of dunes and their interaction with humans in several widely divergent settings. Volume 2 concludes with some musing on the value of study of the past as key to the future and speculates on what the future might hold in the light of a warmer and drier Earth and a rise in sea level that threaten large tracts of low-lying land with marine incursions and destruction from storm surge. PART 4 Sand Mobility and Encroachment The seven chapters in this Part examine the real-world impact of sand encroachment and dune migration on people and their economic activities and the health welfare and financial implications related to destruction of infrastructure including human habitations. PART 5 Sand Dune Landscapes Distribution Formation and Management Seven Case studies from several geographic regions in Africa the Middle East north-east Asia are presented here to demonstrate the underlying mechanisms in dune formation and the diverse approaches to their management. Human impacts such as sand mining tourism development combine with natural forces like climate variability to challenge the realization of an optimum management strategy. PART 6 Concluding Thoughts: Coping with an Unknown Future from a Little-known Past The two chapters in Part 6 have special roles. We are privileged to publish new research findings that are summarized here in Chapter 38 from extensive and detailed work conducted in the Kyzyl Kum and Karakum sand seas of Central Asia. There is a strong belief that further study of the little-known past such as revealed in this study could unlock clues as to what a future Earth might look like. This leads on to speculation in Chapter 39 about the implications of what we already know about global change (not only climate change) and the impact of the Anthropocene on the dune systems both inland and coastal. Sea level rise marine incursions and an increase in extreme weather events will affect dune systems and sand seas on the Northern Hemisphere (and beyond). | Sand Dunes of the Northern Hemisphere: Distribution Formation Migration and Management Volume 2: Characteristics Dynamics and Provenance

GBP 145.00
1

Pythium Diagnosis Diseases and Management

Geoinformatics in Applied Geomorphology

Handbook of Irrigation System Selection for Semi-Arid Regions

Handbook of Irrigation System Selection for Semi-Arid Regions

The Handbook of Irrigation System Selection for Semi-Arid Regions compares the various types of available irrigation systems for different regions and conditions and explains how to analyze field data to determine the suitability of the land for surface sprinkle or drip irrigation systems. The book focuses on strategies for irrigation development and management and examines deficit irrigation and partial root-zone drying systems. Also solute leaching modeling under different irrigation systems soil moisture conditions and organic fertilizer application in arid areas are discussed. Further it examines multi-criteria decision making for irrigation management and the appraisal of agricultural lands for irrigation in hot sub-humid regions. Features: Presents comparative analysis to aid in the selection of the most appropriate types of irrigation systems according to land characteristics. Includes numerous practical case studies. Offers parametric evaluation systems for irrigation purposes. Considers data from semi-arid zones each with different sub-climates. Focusing on semi-arid land the book highlights parametric evaluation systems for irrigation purposes along with the use of analytical hierarchy processes integrated with GIS to determine which systems are best suited. This comprehensive and well-illustrated handbook will be of great interest to students professionals and researchers involved with all aspects of irrigation in semi-arid regions.

GBP 66.99
1

Optimization of Multilayered Radar Absorbing Structures (RAS) using Nature Inspired Algorithm

Optimization of Multilayered Radar Absorbing Structures (RAS) using Nature Inspired Algorithm

Stealth technology is a crucial pre-requisite in the combat zone where swiftness surprise and initiative are the decisive elements for survivability. The supreme goal here is to reduce the visibility of military vehicles by shaping application of radar absorbing materials passive cancellation active cancellation etc. With respect to multilayered radar absorbing structures (RAS) this book presents an efficient algorithm based on particle swarm optimization (PSO) for the material selection as well as optimization of thickness of multilayered RAS models considering both normal as well as oblique incidence cases. It includes a thorough overview of the theoretical background required for the analysis of multilayered RAS as well as the step-by-step procedure for the implementation of PSO-based algorithm. The accuracy and computational efficiency of the indigenously developed code is also clearly established using relevant validations and case studies. FEATURES Provides step-by-step procedure for the implementation of particle swarm optimization (PSO) based algorithm in the context of multilayered radar absorbing structures (RAS) design Helps to understand the EM design analysis and optimization of multilayered RAS Describes the theoretical background required for the analysis of multilayered RAS Illustrates in detail the theoretical formulation supported by intuitive ray diagrams and comprehensive flowcharts to implement the algorithm with ease Includes elaborate validations and case studies This book will serve as a valuable resource for students researchers scientists and engineers involved in the electromagnetic design and development of multi-layered radar absorbing structures. | Optimization of Multilayered Radar Absorbing Structures (RAS) using Nature Inspired Algorithm

GBP 44.99
1

Python for Engineers and Scientists Concepts and Applications

Python for Engineers and Scientists Concepts and Applications

The text focuses on the basics of Python programming fundamentals and introduction to present-day applications in technology and the upcoming state-of-art trends in a comprehensive manner. The text is based on Python 3. x and it covers the fundamentals of Python with object-oriented concepts having numerous worked-out examples. It provides a learning tool for the students of beginner level as well as for researchers of advanced level. Each chapter contains additional examples that explain the usage of methods/functions discussed in the chapter. It provides numerous programming examples along with their outputs. The book: Includes programming tips to highlight the important concepts and help readers avoid common programming errors Provides programming examples along with their outputs to ensure the correctness and help readers in mastering the art of writing efficient Python programs Contains MCQs with their answers; conceptual questions and programming questions; and solutions to some selected programming questions for every chapter Discusses applications like time zone converter and password generators at the end Covers fundamental of Python up to object oriented concepts including regular expression The book offers a simple and lucid treatment of concepts supported with illustrations for easy understanding provides numerous programming examples along with their outputs and includes programming tips to highlight the important concepts. It will be a valuable resource for senior undergraduate graduate students and professionals in the fields of electrical engineering electronics and communication engineering and computer engineering. | Python for Engineers and Scientists Concepts and Applications

GBP 89.99
1

Shifting Mobility Part 1: Transforming Planning and Design for New Human Mobility Code

Shifting Mobility Part 1: Transforming Planning and Design for New Human Mobility Code

In the face of resource depletion environmental changes lifestyle changes demographic and digital adaptation old ideologies of city building and expensive and complex automobility solutions are in freefall. These changes are creating severe friction between the old and new paradigms. This book provides new perspectives through the process of ideological disassociation and concepts of human mobility code. The basic premise of the book human mobility is an essential component of our creativity that comes from our unconscious desire to become a part of a community. Several new concepts in the book starts with the hallmark of new discovery of human mobility code and its implications of urban mobility boundary systems to stay within safe planetary zone. A new discovery of human mobility code from comprehensive research finding prove that each individual develops a unique mobility footprint and become our mobility identity. Beyond individual hallmarks human develops collective mobility codes through interaction with the third space on which entire mobility systems lie and are created by the fundamentals of city planning and the design process. Readers are introduced to an innovative mobility planning process and reinvention of multimodal mobility approaches based on new mobility code while formulating new concepts practical solutions and implementation techniques tools policies and processes to reinforce low-carbon mobility options while addressing social equity environmental and health benefits. Finally the book arms us with knowledge to prevent the disaster of full technological enlightenment against our natural human mobility code. | Shifting Mobility Part 1: Transforming Planning and Design for New Human Mobility Code

GBP 140.00
1

Soil Physics An Introduction Second Edition

Soil Physics An Introduction Second Edition

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 one new chapter highlighting new problems new computer models and remediation. Features Serves as the most up-to-date textbook on soil physics available Includes one new chapter 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. | Soil Physics An Introduction Second Edition

GBP 99.99
1

Cover Crops and Sustainable Agriculture

Cover Crops and Sustainable Agriculture

This book will not serve as the encyclopedia of cover crop management but it’s close. The benefits of a wide range of individual cover crops and blends/mixes for specific agronomic crop rotations and geographic locations are included. Descriptions photographs and illustrations show how cover crops look in the field including plant height leaf architecture and rooting patterns. Long term benefits are described for soil health soil structure water quality nutrient contributions soil biodiversity air quality and climate change. In addition to the whys of cover crop use the book includes details on the hows: how to choose cover crops for specific applications and locations; how (and when) to plant; how to manage and maintain the cover for maximum benefit; and how and when to terminate. Planting options include: drilling/planting between rows of an agronomic crop at planting time or when the crop is short (i. e. corn in early June); aerial seeding with an airplane or high-clearance machine shortly before the crop reaches maturity; and drilling/planting immediately after harvest of the agronomic crop. Selected cover crops (blends) can help with pest and disease management. Cover crops are an economic input with an expected return on investment similar to pesticides and fertilizer. As part of a continuous no-till system cover crops provide long-term biological chemical and structural benefits. The resulting increase in soil organic matter means the agronomic crop yields benefit from better water infiltration and water holding capacity greater availability of nitrogen and other nutrients deeper rooting and increased soil microbial activity in the root zone. | Cover Crops and Sustainable Agriculture

GBP 52.99
1

Introduction to Hydrogeology Third Edition Unesco-IHE Delft Lecture Note Series

Introduction to Hydrogeology Third Edition Unesco-IHE Delft Lecture Note Series

Providing an introduction to the crucially important topic of groundwater this text covers all major fields of hydrogeology and includes outlines of the occurrence of groundwater in various rock types the movement and storage of groundwater the formulation of groundwater balances the development of groundwater chemistry as well as the practical application of hydrogeology for groundwater development. Following a unique systems approach to describe and connect its various elements the text also explores a large selection of examples of groundwater cases from various parts of the world. In addition theoretical sections and examples are illustrated with a number of drawings photos and computer printouts. Suitable for education in hydrogeology at postgraduate and graduate level the text is also a useful reference tool for professionals and decision-makers involved in water or water-related activities. In the revised paperback edition more attention is paid to the processes in the unsaturated zone especially those relating to groundwater recharge. Also the investigation methods are highlighted in the sections where the related theory is dealt with and they are not presented in the last chapter on groundwater management. The References and Bibliography section is also extended some figures are improved and the inevitable ‘typing errors’ are corrected as well. In the third edition a more formal basis for the hydro-chemical processes described in the chapter on groundwater chemistry has been added. Mass balances and the principles of dispersion and retardation are introduced. Additional illustrations are provided also explaining the processes occurring along streamlines. Consult: http://introductiontohydrogeology. nl/ for additional information on the book the author and available software. | Introduction to Hydrogeology Third Edition Unesco-IHE Delft Lecture Note Series

GBP 150.00
1

Resistance Welding Fundamentals and Applications Second Edition

Resistance Welding Fundamentals and Applications Second Edition

Drawing on state-of-the-art research results Resistance Welding: Fundamentals and Applications Second Edition systematically presents fundamental aspects of important processes in resistance welding and discusses their implications on real-world welding applications. This updated edition describes progress made in resistance welding research and practice since the publication of the first edition. New to the Second Edition: Significant addition of the metallurgical aspects of materials involved in resistance welding such as steels aluminum and magnesium alloys zinc and copper Electric current waveforms commonly used in resistance welding including single-phase AC single-phase DC three-phase DC and MFDC Magnesium welding in terms of cracking and expulsion The effect of individual welding parameters 2-D and 3-D lobe diagrams New materials for the ultrasonic evaluation of welds including A-scan B-scan and in-line A-scan The book begins with chapters on the metallurgical processes in resistance spot welding the basics of welding schedule selection and cracking in the nugget and heat-affected zone of alloys. The next several chapters discuss commonly conducted mechanical tests the monitoring and control of a welding process and the destructive and nondestructive evaluation of weld quality. The authors then analyze the mechanisms of expulsion—a process largely responsible for defect formation and other unwanted features—and explore an often overlooked topic in resistance welding-related research: the influence of mechanical aspects of welding machines. The final chapters explain how to numerically simulate a resistance welding process and apply statistical design and analysis approaches to welding research. To obtain a broad understanding of this area readers previously had to scour large quantities of research on resistance welding and essential related subjects such as statistical analysis. This book collects the necessary information in one source for students researchers and practitioners in the sheet metal industry. It thoroughly reviews state-of-the-art results in resistance welding research and gives you a solid foundation for solving practical problems in a scientific and systematic manner. | Resistance Welding Fundamentals and Applications Second Edition

GBP 94.99
1

Modern Land Drainage Planning Design and Management of Agricultural Drainage Systems

Modern Land Drainage Planning Design and Management of Agricultural Drainage Systems

Modern Land Drainage 2nd edition is a fully revised and updated edition of the 2004 edition. Modern Land Drainage describes traditional drainage formulas (Hooghoudt Kirkham Donnan Ernst Glover-Dumm) for rainfed agriculture in the humid temperature zone. Significant parts are devoted to drainage for salinity control of irrigated land in (semi-) arid zones and to drainage of rice land in the humid tropics. Institutional management and maintenance aspects are extensively covered as well as the mitigation of adverse impacts of drainage interventions on the environment. The latest computer applications for drainage design in the context of integrated water management are described (DRAINMOD HEC SWAP etc. ). Field surveys are executed by governments with the aid of consultants but rarely are the end stakeholders (i. e. farmers and general public) involved from inception to planning to execution of a drainage system. Yet during the Operation Management and Maintenance (OMM) phase of a water management system they are expected to takeover run bear and be responsible for the costs of OMM. The book describes successful methodologies and processes to be followed for engagement of stakeholders at all levels from government to farm from minister to farmer and from beginning to end. The book covers all aspects needed for sustainable drainage. The latest survey methodologies with satellites and drones are suggested to assess cause and effect. Waterlogging and salinity are the effect of something caused most likely upstream of the drainage problem location. Hence treating the cause may be more cost-effective. Triple Bottom Line (social environmental and financial considerations) and the water-food-energy nexus are an integral part of the drainage design process. Controlled drainage i. e. the balance of removal and conservation of drainage water and minimising solute transport as low as reasonably achievable (ALARA principle) is extensively described. This work is intended for use both as a university level textbook and as a professional handbook; it is of particular value to professionals engaged in drainage development in the context of integrated water resources and river basin management civil and agricultural engineers government officials university students and libraries. | Modern Land Drainage Planning Design and Management of Agricultural Drainage Systems

GBP 52.99
1