An Assessment Of Crop Water Productivity In The Indus And Ganges River Basins Current Status And Scope For Improvement
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An Assessment Of Crop Water Productivity In The Indus And Ganges River Basins Current Status And Scope For Improvement
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Author : Cai, Xueliang
language : en
Publisher: IWMI
Release Date : 2010
An Assessment Of Crop Water Productivity In The Indus And Ganges River Basins Current Status And Scope For Improvement written by Cai, Xueliang and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
The Indus and Ganges River Basin, being the most populous in the world, is under extreme pressure to sustain food security. Production resources including water are being exploited to various levels from underdevelopment to heavy overexploitation. This report provides a bird’s eye view of the basin and focuses on the nexus between agricultural production and water consumption, making it possible to pinpoint the areas with high/low water productivity and identify the factors behind this, which helps to promote informed decision making in light of environmental sustainability.
The Ganges River Basin
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Author : Luna Bharati
language : en
Publisher: Routledge
Release Date : 2016-08-25
The Ganges River Basin written by Luna Bharati and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-25 with Nature categories.
The Ganges is one of the most complex yet fascinating river systems in the world. The basin is characterized by a high degree of heterogeneity from climatic, hydrological, geomorphological, cultural, environmental and socio-economic perspectives. More than 500 million people are directly or indirectly dependent upon the Ganges River Basin, which spans China, Nepal, India and Bangladesh. While there are many books covering one aspect of the Ganges, ranging from hydrology to cultural significance, this book is unique in presenting a comprehensive inter-disciplinary overview of the key issues and challenges facing the region. Contributors from the three main riparian nations assess the status and trends of water resources, including the Himalayas, groundwater, pollution, floods, drought and climate change. They describe livelihood systems in the basin, and the social, economic, geopolitical and institutional constraints, including transboundary disputes, to achieving productive, sustainable and equitable water access. Management of the main water-use sectors and their inter-linkages are reviewed, as well as the sustainability and trade-offs in conservation of natural systems and resource development such as for hydropower or agriculture.
Indus River Basin
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Author : Sadiq I. Khan
language : en
Publisher: Elsevier
Release Date : 2019-01-12
Indus River Basin written by Sadiq I. Khan and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-12 with Science categories.
Indus River Basin: Water Security and Sustainability provides a comprehensive treatment of water-related issues within the Indus River basin. Each chapter is written by an expert in the field, hence this book serves as a single, holistic source covering the whole region, not just a single country. Many of the challenges faced by this region are trans-boundary issues, especially within the context of climate change and water scarcity. Topics covered include extreme engineering and water resource management (one of the largest irrigation systems in dry to semi-desert conditions), social sciences (population dynamics linked to water resources) and political sciences. As such, this book is relevant and important to all researchers interested in these issues. - Includes detailed chapters provided by specialists in each different field as compiled by well experienced editors - Presents work from related fields across the Indus basin and makes them easily accessible on one single place - Shows the Indus River as a type case and shares issues relevant to other locations across the world
Assessment Of Water Allocations Using Remote Sensing And Gis Modeling For Indus Basin Pakistan
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Author : Cheema, Muhammad Jehanzeb Masud
language : en
Publisher: Intl Food Policy Res Inst
Release Date : 2016-02-19
Assessment Of Water Allocations Using Remote Sensing And Gis Modeling For Indus Basin Pakistan written by Cheema, Muhammad Jehanzeb Masud and has been published by Intl Food Policy Res Inst this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-02-19 with Social Science categories.
Water allocations for canal commands are not uniform throughout Pakistan. They vary from 2.5 to 15 cusec (ft3/sec) per 1,000 acres (i.e. 0.18 – 1.1 litre/sec/hectare) for different canal commands. This variability in water allowance (WA) has resulted in low water productivity (kg of yield per m3 of water use), an indicator used to assess efficient water use, especially in command areas having higher water allocations. In this study, satellite imagery was used to estimate crop water use and corresponding water productivity for each canal command area of the Indus Basin Irriga-tion System. Three years were selected for the study and two representative canal commands (Lower Chenab and Muzaffargarh Canal) were selected for detailed analysis and ground truthing. Spatially distributed maps of land use, crop water use, groundwater use and quality, soil and water salinity, and crop yields at a pixel resolution of 250 m (6.25 ha) were prepared and then verified by field surveys. GIS maps of canal water availability/supply were also prepared to account for the volume of water supplied through irrigation. This spatial database was used to evaluate and create maps of water productivity in the different canal commands.
Water Productivity In Context
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Author : Barker, R.
language : en
Publisher: IWMI
Release Date : 2012
Water Productivity In Context written by Barker, R. and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
As we enter an era of increasing water scarcity, there is a growing interest to find ways to capture and put water to more productive uses. Substantial increases in the productivity of water in agriculture are needed to meet the demands for food and ensure environmental security, and to satisfy the demands for non-agricultural uses. However, increasing water productivity in rice-dominated agriculture is a function of the irrigation infrastructure, advances in rice-plant breeding, and the physical, institutional and socioeconomic environments. This paper first describes the potential ways in which increased water productivity can be achieved in the context of rice production in Asia. It then illustrates the ways in which the differences in the environmental context affect the ability to increase water productivity, the approaches used and the incentives to do so. This is explained using two ‘case studies’ reflecting the experiences of Taiwan and the Philippines over the past half-century.
The Impacts Of Water Infrastructure And Climate Change On The Hydrology Of The Upper Ganges River Basin
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Author : Luna Bharati
language : en
Publisher: IWMI
Release Date : 2011
The Impacts Of Water Infrastructure And Climate Change On The Hydrology Of The Upper Ganges River Basin written by Luna Bharati and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
This study assessed the variability of flows under present and ‘naturalized’ basin conditions in the Upper Ganges Basin (UGB). Furthermore, the PRECIS regional climate model (RCM) was used to generate climate projections for the UGB, with subsequent simulations of future river flows. Results show that the annual average precipitation, actual evapotranspiration (ET) and net water yields of the whole basin were 1,192 mm, 416 mm and 615 mm, respectively. Precipitation, ET and water yields were found to be higher in the forested and mountainous upper areas of the UGB. On an annual average, present-day flows throughout UGB are about 2-8% lower than under naturalized conditions. Dry and wet season flows under climate change (CC) scenario A2 are lower than that under present climate conditions at upstream locations, but higher at downstream locations of UGB. Flows under CC scenario B2 are systematically higher and lower than that under CC scenario A2 during dry and wet seasons, respectively.
Enhancing Water And Food Security Through Improved Agricultural Water Productivity
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Author : Tafadzwanashe Mabhaudhi
language : en
Publisher: Springer Nature
Release Date : 2025-05-14
Enhancing Water And Food Security Through Improved Agricultural Water Productivity written by Tafadzwanashe Mabhaudhi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-05-14 with Technology & Engineering categories.
This open-access edited book provides a synthesis of knowledge on Water Productivity (WP) and its role in addressing global challenges related to water and food insecurity, as well as climate change. It explores how increasing WP can contribute to achieving several Sustainable Development Goals (SDGs) in the global South, with a focus on SDG 2, 6, and 12. The volume connects WP with emerging approaches such as the water-energy-food nexus, sustainable food systems, and the circular economy. It features case studies, critical analyses, and meta-analyses that bridge the science-policy-practice interface. The book also delves into WP's relation to global priorities, policies, and the empowerment of vulnerable communities, highlighting the non-negotiable rights to water and food. Governance, policies, and institutions are discussed in the context of enhancing WP in farmer-led irrigation and scaling WP technologies. The book also covers emerging methods for determining WP, assessing linkages to nutrition, health, and well-being, and integrating climate change adaptation and mitigation strategies. This is a guide for regional and international experts, professionals, and scholars interested in agricultural water management in the global south. The book has the potential to inform multi-regional and sectoral policies, particularly in Africa, and contribute to sustainable development through better resource management.
Sustainable Water Management And Irrigation Systems
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Author : João Carlos Correia Leitão
language : en
Publisher: Springer Nature
Release Date : 2025-07-26
Sustainable Water Management And Irrigation Systems written by João Carlos Correia Leitão and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-07-26 with Business & Economics categories.
Globally, different regions are facing severe water shortages. Population growth, changing consumer behavior and climate change seriously affect freshwater availability. Much of the water used for conventional irrigation infiltrates or evaporates and is therefore unusable. Thus, innovative irrigation systems must be developed to exploit largely unused, non-conventional water resources. Additionally, low-cost solutions should be used, with natural and regionally available materials (Low Technology, Low Energy, Low Budget, Easy to Use). The present edited volume aims at: (i) making available holistic approaches to sustainable water and natural resources management systems; (ii) presenting evaluation results of new micro-irrigation technologies, tested in different international contexts; (iii) contributing to effectively combating the negative impacts of climate change on water availability, agriculture and food security; and (iv) providing implications for policymakers, entrepreneurs and researchers interested in water management issues and sustainable development goals (SDGs).
The Water Resource Implications Of Changing Climate In The Volta River Basin
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Author : Matthew McCartney
language : en
Publisher: IWMI
Release Date : 2012
The Water Resource Implications Of Changing Climate In The Volta River Basin written by Matthew McCartney and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
The Volta River is one of the major rivers in Africa. In this study, a dynamic regional climate model (CCLM), a hydrological model (SWAT) and a water resource model (WEAP) were used to provide an assessment of one downscaled ‘middle impact’ climate change scenario on the performance of existing and planned irrigation and hydropower schemes. The results indicate that, by the middle of the twenty-first century, altered climate is likely to undermine the technical performance of existing and planned reservoirs, which will, in turn, affect development outcomes. Future water resources development in the basin requires interventions that bolster resilience and water security. Much more systematic planning of water storage, greater cooperation between the riparian states and consideration of innovative approaches to water storage are needed.
Water Resources Of Pakistan
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Author : Muhammad Arif Watto
language : en
Publisher: Springer Nature
Release Date : 2021-03-25
Water Resources Of Pakistan written by Muhammad Arif Watto and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-25 with Science categories.
This book presents the first comprehensive assessment of water resources in Pakistan including surface water resources and groundwater resources. It gives a detailed overview of issues and challenges related to water which have not been adequately addressed e.g. water resource vulnerability to climate change, groundwater depletion and contamination, and water governance etc. It includes a collection and compilation of unpublished and scattered data from the archives and repositories of various national institutions and organization. Given the literature dearth, this book will not only be a comprehensive assessment of water resources in Pakistan but can also can as outstanding textbook on water resource management in Pakistan. It will attract a great range of readership including water specialists, researchers, undergraduate and post graduate students and policy makers from Pakistan as well as from overseas.