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Author: Paolo D'Odorico Publisher: Springer Science & Business Media ISBN: 9781402042591 Category : History Languages : en Pages : 358
Book Description
Ecohydrology emerges as a new field of research aiming at furthering our understanding of the earth system through the study of the interactions between the water cycle and vegetation. By combining the analysis of biotic and abiotic components of terrestrial ecosystems, this volume provides a synthesis of material on arid and semiarid landscapes, which is currently spread in a number of books and journal articles. The focus on water-limited ecosystems is motivated by their high sensitivity to daily, seasonal, and decadal perturbations in water availability, and by the ecologic, climatic, and economic significance of most of the drylands around the world. Conceived as a tool for scientists working in the area of the earth and environmental sciences, this book presents the basic principles of eco-hydrology as well as a broad spectrum of topics and advances in this research field. The chapters collected in this book have been contributed by authors with different expertise, who work in several arid areas around the World. They describe the various interactions among the biological and physical dynamics in dryland ecosystems, starting from basic processes in the soil-vegetation-climate system, to landscape-scale hydrologic and geomorphic processes, ecohydrologic controls on soil nutrient dynamics, and multiscale analyses of disturbances and patterns.
Author: Paolo D'Odorico Publisher: Springer Science & Business Media ISBN: 9781402042591 Category : History Languages : en Pages : 358
Book Description
Ecohydrology emerges as a new field of research aiming at furthering our understanding of the earth system through the study of the interactions between the water cycle and vegetation. By combining the analysis of biotic and abiotic components of terrestrial ecosystems, this volume provides a synthesis of material on arid and semiarid landscapes, which is currently spread in a number of books and journal articles. The focus on water-limited ecosystems is motivated by their high sensitivity to daily, seasonal, and decadal perturbations in water availability, and by the ecologic, climatic, and economic significance of most of the drylands around the world. Conceived as a tool for scientists working in the area of the earth and environmental sciences, this book presents the basic principles of eco-hydrology as well as a broad spectrum of topics and advances in this research field. The chapters collected in this book have been contributed by authors with different expertise, who work in several arid areas around the World. They describe the various interactions among the biological and physical dynamics in dryland ecosystems, starting from basic processes in the soil-vegetation-climate system, to landscape-scale hydrologic and geomorphic processes, ecohydrologic controls on soil nutrient dynamics, and multiscale analyses of disturbances and patterns.
Author: Saraiva Okello Publisher: CRC Press ISBN: 1000044025 Category : Science Languages : en Pages : 180
Book Description
This study aims at improving the hydrological process understanding of the semi-arid and transboundary Incomati river basin to enable better water management. Comprehensive statistical and trend analysis of rainfall and streamflow were conducted, and the Indicators of Hydrological Alteration tool was deployed to describe the streamflow regime and trends over time. Land use and land cover change, particularly the conversion of natural vegetation into forest plantation, the expansion of irrigated agriculture and the flow regulation due to dam operation were identified as critical drivers of flow regime alteration. Hydrograph separation using long-term hydrochemical data at seasonal scale, and hydrochemical and isotope data at event scale were performed to quantify runoff components. A novel methodology to calibrate recursive digital filters using routinely collected water quality data was developed and tested in the catchment. This method allows for estimation of daily baseflow from readily available daily streamflow data. Dominant runoff generation zones were mapped using the Height Above Nearest Drainage approach. The hydrological model STREAM was then employed, informed by the runoff generation zones mapping and the process understanding gained in the catchment, as well as remote sensing data. The study provides the basis for better operational water management in the catchment.
Author: Bruce Morgan Campbell Publisher: CABI ISBN: 0851997317 Category : Science Languages : en Pages : 327
Book Description
This book, which contains 15 separately authored chapters, discusses both the principles and applications of an integrated approach to natural resource management. Such an approach must embrace the complexity of systems and redirect research towards the greater inclusion of issues such as participatory approaches, multi-scale analysis and an array of tools for system analysis, information management and impact assessment. Case studies, particularly from developing countries in Asia, Africa and Latin America, are included. This book is of interest to a wide range of readers in many disciplines, including forestry, soil and management sciences, agriculture, and development studies.
Author: Ashwani Kumar Tiwari Publisher: Elsevier ISBN: 0323903215 Category : Technology & Engineering Languages : en Pages : 606
Book Description
Water Scarcity, Contamination, and Management presents new and updated material, including case studies, step-by-step guidance on key procedures and protocols, and timely topics such as climate change and integrated water resource management. This book is divided into three key sections. Section 1—Water Resource Scarcity—focuses on sustainable development and management of water resources and techniques and methods for improving water use efficiency. Section 2—Contamination of Water Resources—focuses on understanding the quality of water resources, migration of pollutant sources, geochemical processes, groundwater depletion, and seasonal variations in contaminant concentration, water resources' quality status, and associated human health risks. Section 3—Water Resource Management—considers a consolidated and coordinated approach to find the solution to water resource issues. Presenting a comprehensive overview of the water management field, the book serves as a valuable reference for students, professors, scholars, researchers, and consultants in the fields of water resources, civil engineering, environmental science and engineering, and hydrology. - Provides an overview of the current status of water resources utilization, the likely scenario of future demands, and the advantages and disadvantages of systems techniques - Includes numerous examples and real-world case studies - Presents the roles of remote sensing and GIS in solving the water resource crisis
Author: Ian Simmers Publisher: CRC Press ISBN: 0203971302 Category : Science Languages : en Pages : 359
Book Description
In order to provide water security in the twenty-first century, there is universal agreement that a continuation of current policies and extrapolation of trends is not an option. Also clear is that from both water supply and development perspectives, the world's arid and semi-arid regions are those currently and potentially experiencing the highest
Author: Segun Adelana Publisher: CRC Press ISBN: 0415452732 Category : Science Languages : en Pages : 520
Book Description
Groundwater is Africa’s most precious natural resource, providing reliable water supplies for many people. Further development of groundwater resources is fundamental to increasing access to safe water across the continent to meet coverage targets and reduce poverty. There is also an increasing interest in the use of groundwater for irrigated agriculture as the climate becomes more variable. Sustainable development of the resource is not a trivial task and depends crucially on an understanding of the hydrogeology and people with the skills to make informed decisions on how groundwater can best be developed and managed in a sustainable fashion. Despite these obvious needs, however, little attention has been paid to the systematic gathering of information about groundwater resources in the past few decades, with the result that data are patchy, knowledge is limited and investment is poorly targeted. This book was written to start to bridge the knowledge gap. The 29 chapters are written by a combination of practitioners and researchers mainly from within Africa using experience from recent and ongoing projects. The chapters highlight the complexity and variety of issues surrounding the development and management of groundwater resources across Africa, and provide a snapshot of groundwater research and application in the early 21st century. Chapters range from strategic discussions of the role of groundwater in development and poverty reduction, to case studies on techniques used to develop groundwater, and modelling methods for managing groundwater systems.
Author: David D. Briske Publisher: Springer ISBN: 3319467093 Category : Technology & Engineering Languages : en Pages : 664
Book Description
This book is open access under a CC BY-NC 2.5 license. This book provides an unprecedented synthesis of the current status of scientific and management knowledge regarding global rangelands and the major challenges that confront them. It has been organized around three major themes. The first summarizes the conceptual advances that have occurred in the rangeland profession. The second addresses the implications of these conceptual advances to management and policy. The third assesses several major challenges confronting global rangelands in the 21st century. This book will compliment applied range management textbooks by describing the conceptual foundation on which the rangeland profession is based. It has been written to be accessible to a broad audience, including ecosystem managers, educators, students and policy makers. The content is founded on the collective experience, knowledge and commitment of 80 authors who have worked in rangelands throughout the world. Their collective contributions indicate that a more comprehensive framework is necessary to address the complex challenges confronting global rangelands. Rangelands represent adaptive social-ecological systems, in which societal values, organizations and capacities are of equal importance to, and interact with, those of ecological processes. A more comprehensive framework for rangeland systems may enable management agencies, and educational, research and policy making organizations to more effectively assess complex problems and develop appropriate solutions.
Author: Derek Eamus Publisher: CSIRO PUBLISHING ISBN: 0643068341 Category : Ecohydrology Languages : en Pages : 361
Book Description
A grasp of key elements of several disparate disciplines is required in order to fully understand the sustainable management of water. The authors, who have undertaken extensive field work and published widely take an international perspective on water in the environment in order to tackle issues of dryland salinity and water allocation.
Author: Chris Lovell Publisher: Guidelines on Integrated Plann ISBN: Category : Business & Economics Languages : en Pages : 244
Book Description
Lack of water is the limiting factor for many household and community- based activities for millions of people living in dryland areas. Rural water supply programs tend to focus on only two social aspects: improved access to domestic supply and improved sanitation. Less attention has been paid to how communities prefer to use water to develop their own livelihoods. This is due partly to the difficulties of abstracting sufficient reliable groundwater in dryland areas, and partly to a misunderstanding of why wells and boreholes fail, which leads to a general belief that abstraction should be limited to domestic supply to conserve the resource. When more water is available, not only are basic drinking and washing needs satisfied but also other activities with a high economic value become feasible, such as small-scale irrigation, fruit orchards, livestock feedlots, small-scale dairy units, fish farming, brick-making, etc. Such diversification avoids over-reliance on rain-fed cropping of marginal lands. This book shows how research in southern Africa has shed light on why conventional wells and boreholes fail, on the potential of the groundwater resource to support production through improved siting and selection of more appropriate well designs, and on the positive impacts and some problems that can emerge at productive water points.
Author: Food and Agriculture Organization of the United Nations Publisher: Food & Agriculture Org. ISBN: 9251319103 Category : Technology & Engineering Languages : en Pages : 88
Book Description
Water – drinkable, usable water – is likely to be one of the most limiting resources in the future, given the growing global population, the high water demand of most agricultural production systems, and the confounding effects of climate change. We need to manage water wisely – efficiently, cost-effectively and equitably – if we are to avoid the calamity of a lack of usable water supply. Forested watersheds provide an estimated 75 percent of the world’s accessible freshwater resources, on which more than half the Earth’s people depend for domestic, agricultural, industrial and environmental purposes. Forests therefore, are vital natural infrastructure, and their management can provide “nature-based solutions” for a range of water-related societal challenges. This edition of Unasylva explores that potential.
Author: Paolo D'Odorico
Author: Paolo D'Odorico
Author: Saraiva Okello
Author: Bruce Morgan Campbell
Author: Ashwani Kumar Tiwari
Author: Ian Simmers
Author: Segun Adelana
Author: David D. Briske
Author: Derek Eamus
Author: Chris Lovell
Author: Food and Agriculture Organization of the United Nations