Understanding Hydrological Variability For Improved Water Management In The Semi Arid Karkheh Basin Iran
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Understanding Hydrological Variability For Improved Water Management In The Semi Arid Karkheh Basin Iran
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Author : Ilyas Masih
language : en
Publisher: CRC Press
Release Date : 2011-09-28
Understanding Hydrological Variability For Improved Water Management In The Semi Arid Karkheh Basin Iran written by Ilyas Masih and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-28 with Science categories.
This study provides a hydrology based assessment of (surface) water resources and its continuum of variability and change at different spatio-temporal scales in the semi‐arid Karkheh Basin, Iran, where water is scarce, competition among users is high and massive water resources development is under way. The study reveals that the ongoing allocation planning is not sustainable and essentially requires reformulation, with consideration of spatio‐temporal variability and observed trends in the streamflows regarding flood intensification and decline in low flows. The development of innovative methods for quantification of the hydrological fluxes (i.e., regionalization of model parameters based on similarity of the flow duration curve and the use of areal precipitation input in the hydrological modeling) helped better understanding and modeling the basin hydrology. The investigation of scenarios for upgrading rain-fed areas to irrigated agriculture, using SWAT, recommends the promotion of in-situ soil and water conservation techniques. Conversion of rain-fed areas to irrigation causes significant reduction in the downstream flows, and requires additional considerations such as less development in the upper catchments, practicing supplementary irrigation and developing water storage. The knowledge generated is instructive for hydrological assessment and its use in water resources planning and management in the river basin context.
Modelling Approaches To Understand Salinity Variations In A Highly Dynamic Tidal River
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Author : Ali Dinar Abdullah
language : en
Publisher: CRC Press
Release Date : 2017-03-16
Modelling Approaches To Understand Salinity Variations In A Highly Dynamic Tidal River written by Ali Dinar Abdullah and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-16 with Computers categories.
This book reports the first systematic monitoring and modelling study on water availability, water quality and seawater intrusion of the Shatt al-Arab River (SAR) on the border of Iraq and Iran, where causes and concentration levels of salinity have not yet been fully understood, let alone addressed, leading to conflicting perceptions of its origin (external or internal), the natural conditions and the practices that can explain the current critical conditions. Current scientific knowledge on the SAR salinity problem is deficient, partially due to the complex and dynamic interaction between marine and terrestrial salinity sources, including return flows by water users of the different water sectors in the Euphrates and Tigris rivers upstream of the SAR. The development of a new series of monitoring stations and various modelling approaches helped to better understand the interactions between these different sources. The comprehensive and detailed dataset formed the basis for a validated analytical model that can predict the extent of seawater relative to other salinity sources in an estuary, and for a hydrodynamic model that can predict salinity changes. The adaptability of the models to changing conditions makes them directly applicable by water managers. The procedure can be applied to other comparable systems.
Integrated Soil And Water Management Selected Papers From 2016 International Swat Conference
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Author : Karim Abbaspour
language : en
Publisher: MDPI
Release Date : 2018-03-15
Integrated Soil And Water Management Selected Papers From 2016 International Swat Conference written by Karim Abbaspour and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-15 with Science categories.
This book is a printed edition of the Special Issue "Integrated Soil and Water Management: Selected Papers from 2016 International SWAT Conference" that was published in Water
Integrated Water Resources Management A Systems Perspective Of Water Governance And Hydrological Conditions
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Author : Adey NIgatu Mersha
language : en
Publisher: CRC Press
Release Date : 2021-10-14
Integrated Water Resources Management A Systems Perspective Of Water Governance And Hydrological Conditions written by Adey NIgatu Mersha and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-14 with Science categories.
This thesis presents analysis of the status of IWRM implementation along with the challenges with regards to policy and institutional measures as well as the required basin information and management instruments. The research entailed a detailed analysis of water resources systems based on a case study from the Awash River Basin in Ethiopia, covering the historical and present state of the challenges and gaps in policies, institutional arrangements and management instruments. The status quo of practical water management, implications of plausible management alternatives in terms of their impact to future water availability, demand fulfilment, patterns of use, and sustainability of the environment were examined. Moreover, the interlinkages and dynamics between key water dependent resources sectors, broadly categorized into water, energy, food, and ecosystems (WEFE) was explored to identify key tradeoffs and synergies. This was deliberated as to improving the synchronization of sectoral plans and resources management programs, thereby fast-tracking the coordination process in IWRM. Overall, the research provides a clearer understanding of the system-wide problems, structural challenges and possible future consequences regarding the management and sustainability of the entire water resource system. Ultimately the purpose is to set in motion new strategies and mechanisms to improve the implementation of the currently applied IWRM framework in the context of the SDGs.
Water Food And Poverty In River Basins
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Author : Myles Fisher
language : en
Publisher: Routledge
Release Date : 2013-09-13
Water Food And Poverty In River Basins written by Myles Fisher and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-13 with Science categories.
Conventional wisdom says that the world is heading for a major water crisis. By 2050, global population will increase from 7 billion to a staggering 9.5 billion and the demands this will place on food and water systems will inevitably push river basins over the edge. The findings from this book present a different picture. While it is convenient to visualize an inevitable global water and food crisis in which increasing demands result in increasing poverty, food insecurity and conflict, the reality is far more nuanced and revolves around the politics of equitable and sustainable development of resources. The first part of this book provides detailed insight into conditions of water flows within nine river basins. In the second part, authors summarize and re-analyze the outcome of the nine basins, providing a coherent global picture of water, water productivity and development. They assess the impacts of variations of these attributes on development and approaches for poverty alleviation, and explore the institutional factors that support or obstruct change. How people will manage river systems while protecting vital ecosystem functions will make the difference between catastrophe and survival. As Prof Asit Biswas points out, "... the world is facing a water crisis not because of physical scarcity of water but because of poor management practices in nearly all countries of the world." The book is based on the four years (2006-2010) of extensive research into the state of ten of the world’s major river basins carried out under the CGIAR Challenge Program for Water and Food’s Basin Focal Project. This book was published as a special issue of Water International.
Water Accounting
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Author : Jayne M. Godfrey
language : en
Publisher: Edward Elgar Publishing
Release Date : 2012
Water Accounting written by Jayne M. Godfrey and has been published by Edward Elgar Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Nature categories.
This groundbreaking book examines the role that water accounting can play in resolving economic, environmental and social issues. One of the most pressing global issues of the 21st century is the scarcity of water to ensure economic, environmental and social sustainability. In addressing the issue through policy and management, access to high quality information is critically important. But water scarcity has many implications, and it is possible that different reporting approaches, generally called water accounting systems, can be appropriate to addressing them. In this key book, international experts respond to the question: what role can water accounting play in resolving economic, social and environmental issues at individual, organizational, industry, national and international levels? They explore how various forms of water accounting are utilized and the issues that they address. Academics and postgraduate students interested in water scarcity and accounting will find this book invaluable. Policymakers in all areas relating to water as well as environmentalists, water industry managers and water lawyers will find plenty of important insights in this essential resource.
Statistical Analysis And Stochastic Modelling Of Hydrological Extremes
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Author : Hossein Tabari
language : en
Publisher: MDPI
Release Date : 2019-10-28
Statistical Analysis And Stochastic Modelling Of Hydrological Extremes written by Hossein Tabari and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-28 with Science categories.
Hydrological extremes have become a major concern because of their devastating consequences and their increased risk as a result of climate change and the growing concentration of people and infrastructure in high-risk zones. The analysis of hydrological extremes is challenging due to their rarity and small sample size, and the interconnections between different types of extremes and becomes further complicated by the untrustworthy representation of meso-scale processes involved in extreme events by coarse spatial and temporal scale models as well as biased or missing observations due to technical difficulties during extreme conditions. The complexity of analyzing hydrological extremes calls for robust statistical methods for the treatment of such events. This Special Issue is motivated by the need to apply and develop innovative stochastic and statistical approaches to analyze hydrological extremes under current and future climate conditions. The papers of this Special Issue focus on six topics associated with hydrological extremes: Historical changes in hydrological extremes; Projected changes in hydrological extremes; Downscaling of hydrological extremes; Early warning and forecasting systems for drought and flood; Interconnections of hydrological extremes; Applicability of satellite data for hydrological studies.
Annual Report
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Author : International Water Management Institute
language : en
Publisher:
Release Date : 2006
Annual Report written by International Water Management Institute and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Water quality management categories.
Extreme Hydrology And Climate Variability
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Author : Assefa Melesse
language : en
Publisher: Elsevier
Release Date : 2019-07-03
Extreme Hydrology And Climate Variability written by Assefa Melesse and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-03 with Science categories.
Extreme Hydrology and Climate Variability: Monitoring, Modelling, Adaptation and Mitigation is a compilation of contributions by experts from around the world who discuss extreme hydrology topics, from monitoring, to modeling and management. With extreme climatic and hydrologic events becoming so frequent, this book is a critical source, adding knowledge to the science of extreme hydrology. Topics covered include hydrometeorology monitoring, climate variability and trends, hydrological variability and trends, landscape dynamics, droughts, flood processes, and extreme events management, adaptation and mitigation. Each of the book's chapters provide background and theoretical foundations followed by approaches used and results of the applied studies. This book will be highly used by water resource managers and extreme event researchers who are interested in understanding the processes and teleconnectivity of large-scale climate dynamics and extreme events, predictability, simulation and intervention measures. - Presents datasets used and methods followed to support the findings included, allowing readers to follow these steps in their own research - Provides variable methodological approaches, thus giving the reader multiple hydrological modeling information to use in their work - Includes a variety of case studies, thus making the context of the book relatable to everyday working situations for those studying extreme hydrology - Discusses extreme event management, including adaption and mitigation
Supplemental Irrigation A Highly Efficient Water Use Practice
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Author : Theib Oweis
language : en
Publisher: ICARDA
Release Date : 1997
Supplemental Irrigation A Highly Efficient Water Use Practice written by Theib Oweis and has been published by ICARDA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Supplemental irrigation categories.