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Author : Bastakoti, Ram,Raut, Manita,Thapa, Bhesh Raj
Publisher : IWMI
Page : 16 pages
File Size : 50,9 Mb
Release : 2024-07-01
Category : Technology & Engineering
ISBN : 8210379456XXX
Author : Ram Bastakoti,Manita Raut,Bhesh Raj Thapa
Publisher : Unknown
Page : 128 pages
File Size : 41,9 Mb
Release : 2020
Category : Electronic
ISBN : OCLC:1255457384
Solar-powered irrigation pumps (SPIPs) have been promoted in the Eastern Gangetic Plains (EGP) in recent decades, but rates of adoption are low. This case study assesses the evidence from several solar pump business models being adopted in parts of the EGP, particularly eastern Nepal and northern India, and explores how different models perform in various contexts. It documents lessons for increasing farmers' resilience to droughts through better groundwater use by promotion of SPIPs. Groundwater access for agriculture in the past was dependent on diesel and electric pumps, respectively constrained by costs and reliability of energy. Both government and nongovernment agencies have promoted SPIPs in the Ganges basin for irrigation and drinking purposes. SPIPs receive different levels of subsidies across countries and states in the region to facilitate adoption and ensure continuous and timely irrigation, which particularly benefits small and marginal farmers. Because the EGP faces variability in water availability, the SPIPs could help in building drought resilience. However, because low operating costs for SPIPs does little to incentivize farmers to use water efficiently, one critical question is how to balance equitable access to SPIPs while ensuring groundwater overdraft is not perpetuated. Farmers' awareness of efficient water management options is crucial to avoid overextraction of groundwater.
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 87 pages
File Size : 42,9 Mb
Release : 2018-04-12
Category : Technology & Engineering
ISBN : 9789251304792
The report gives a state-of-the-art overview of policies, regulations and incentives for the sustainable use of solar-powered irrigation technologies (SPIS) around the world. SPIS offer a viable, low-tech energy solution for irrigated agriculture, providing a reliable source of energy in remote areas, contributing to rural electrification, reducing energy costs for irrigation and enabling low emission agriculture. Nevertheless, SPIS have a significant initial investment cost and require innovative financing models to overcome this barrier to adoption, especially for small-scale farmers. Technical knowledge and service infrastructure is needed to ensure that the systems run effectively. Moreover, SPIS – if not adequately managed - bear the risk of fostering unsustainable water use as lower energy costs may lead to over-abstraction of groundwater. This report looks at how different countries work to create an enabling environment for SPIS technologies, while managing the risks that come with it.
Author : McCarthy, Nancy,Ringler, Claudia,Agbonlahor, Mure Uhunamure,Pandya, A. B.,Iyob, Biniam,Perez, Nicostrato
Publisher : Intl Food Policy Res Inst
Page : 57 pages
File Size : 55,6 Mb
Release : 2023-04-18
Category : Political Science
ISBN : 8210379456XXX
Irrigation is increasingly being called upon to help stabilize and grow food and water security in the face of multiple crises; these crises include climate change, but also recent global food and energy price crises, including the 2007/08 food and energy price crises, and the more recent crises triggered by the COVID 19 pandemic and the war on Ukraine. While irrigation development used to focus on public, large-scale, surface- and reservoir-fed systems, over the last several decades, private small-scale investments in groundwater irrigation have grown in importance and are expected to see rapid future growth, particularly in connection with solar-powered pumping systems. But is irrigation ‘fit-for-purpose’ to support population growth, economic development, and multiple food, energy and climate crises? This paper reviews how fit-for-purpose irrigation is with a focus on economies of scale of surface and groundwater systems, and a particular examination of systems in Sub-Saharan Africa where the need for expansion is largest. The review finds challenges for both larger surface and smaller groundwater systems in the face of growing demand for irrigated agriculture and dwindling and less reliable water supplies. To support resilience of the sector, we propose both a holistic design and management improvement agenda for larger surface systems, and a series of suggestions to improve sustainability concerns of groundwater systems
Author : Chandler Cowell,Michael Gallaher,Justin Larson,Aaron Schwartz
Publisher : RTI Press
Page : 18 pages
File Size : 55,5 Mb
Release : 2022-11-07
Category : Science
ISBN : 8210379456XXX
This study considers existing off-grid initiatives that are being implemented in support of more rapid electrification in sub-Saharan Africa. After first reviewing the successes and obstacles of commonly implemented off-grid solutions, we suggest groundwater irrigation powered via off-grid solar (OGS) systems as a productivity-focused electrification solution that could be valuable to off-grid development initiatives moving forward. This solution encourages the establishment of OGS pumping infrastructure in unelectrified areas in proximity to nonirrigated agriculture that have promising and sustainable groundwater abstraction potential. Using open-access spatial data to estimate the alignment of these resources is an important first step in determining potential study sites for on-the-ground research and pilot projects. This study focuses on applying the above approach to Ethiopia to produce a spatial layer representing areas that are recommended for further assessment of their OGS groundwater irrigation viability. We follow the spatial analysis with a projection of potential gains from investment in OGS groundwater pumping systems under different scenarios to highlight the solution’s viability with regional context. This assessment provides an initial methodology for identifying, examining, and expanding upon potential markets where OGS irrigation can become an economically viable solution.
Author : M. Dinesh Kumar
Publisher : Routledge
Page : 133 pages
File Size : 52,6 Mb
Release : 2020-06-29
Category : Art
ISBN : 9781000517484
This comprehensive volume explores the interface between politics and policy making in the water management sector of India. The authors discuss the nature of the political discourse on water management in India, and what characterizes this discourse. They also explore how this discourse has influenced the process of framing water related policies in India, particularly through the ‘academics-bureaucrat-politician’ nexus and the growing influence of the civil society groups on policy makers, which are the defining feature of this process, and which have produced certain policy outcomes that are not supported by sufficient scientific evidence. The book reveals that the social and management sciences, despite being increasingly relevant in contemporary water management, are unable to impress upon traditional, engineer-dominated water administration to seek solutions to complex water problems owing to a lack of interdisciplinary perspective in their research. The authors also examine the current deadlock in undertaking sectoral reforms due to existing water policies not being honoured. This collection includes several research studies which suggest legal, institutional policy alternatives for addressing the problems in areas such as irrigation, rural and urban water supply, flood control and adaptation to climate variability and change. It was originally published as a special issue of the International Journal of Water Resources Development.
Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 210 pages
File Size : 40,7 Mb
Release : 2020-11-26
Category : Technology & Engineering
ISBN : 9789251334416
Intensifying water constraints threaten food security and nutrition. Thus, urgent action is needed to make water use in agriculture more sustainable and equitable. Irrigated agriculture remains by far the largest user of freshwater, but scarcity of freshwater is a growing problem owing to increasing demand and competition for freshwater resources. At the same time, rainfed agriculture is facing increasing precipitation variability driven by climate change. These trends will exacerbate disputes among water users and inequality in access to water, especially for small-scale farmers, the rural poor and other vulnerable populations. The State of Food and Agriculture 2020 presents new estimates on the pervasiveness of water scarcity in irrigated agriculture and of water shortages in rainfed agriculture, as well as on the number of people affected. It finds major differences across countries, and also substantial spatial variation within countries. This evidence informs a discussion of how countries may determine appropriate policies and interventions, depending on the nature and magnitude of the problem, but also on other factors such as the type of agricultural production system and countries’ level of development and their political structures. Based on this, the publication provides guidance on how countries can prioritize policies and interventions to overcome water constraints in agriculture, while ensuring efficient, sustainable and equitable access to water.
Author : Karen G. Villholth,Elena Lopez-Gunn,Kirstin Conti,Alberto Garrido,Jac Van Der Gun
Publisher : CRC Press
Page : 594 pages
File Size : 52,9 Mb
Release : 2017-12-14
Category : Science
ISBN : 9781351808415
This book addresses groundwater governance, a subject internationally recognized as crucial and topical for enhancing and safeguarding the benefits of groundwater and groundwater-dependent ecosystems to humanity, while ensuring water and food security under global change. The multiple and complex dimensions of groundwater governance are captured in 28 chapters, written by a team of leading experts from different parts of the world and with a variety of relevant professional backgrounds. The book aims to describe the state-of-the-art and latest developments regarding each of the themes addressed, paying attention to the wide variation of conditions observed around the globe. The book consists of four parts. The first part sets the stage by defining groundwater governance, exploring its emergence and evolution, framing it through a socio-ecological lens and describing groundwater policy and planning approaches. The second part discusses selected key aspects of groundwater governance. The third part zooms in on the increasingly important linkages between groundwater and other resources or sectors, and between local groundwater systems and phenomena or actions at the international or even global level. The fourth part, finally, presents a number of interesting case studies that illustrate contemporary practice in groundwater governance. In one volume, this highly accessible text not only familiarizes water professionals, decision-makers and local stakeholders with groundwater governance, but also provides them with ideas and inspiration for improving groundwater governance in their own environment.
Author : P. Abdul Salam,Sangam Shrestha,Vishnu Prasad Pandey,Anil Kumar Anal
Publisher : John Wiley & Sons
Page : 264 pages
File Size : 47,8 Mb
Release : 2017-07-12
Category : Science
ISBN : 9781119243168
Water, energy and food are key resources to sustain life, and are the fundamental to national, regional and global economies. These three resources are interlinked in multiple ways, and the term “nexus” captures the interconnections. The nexus has been discussed, debated, researched, and advocated widely but the focus is often on the pairings of “water-energy” or “water-food” or “energy-food”. To really benefit from the nexus approach in terms of resource use efficiency it is essential to understand, operationalize and practice the nexus of all three resources. As demand for these resources increases worldwide, using them sustainability is a critical concern for scientists and citizens, governments and policy makers. Volume highlights include: Contributions to the global debate on water-energy-food nexus Examples of the nexus approach in practice from different regions of the world Perspectives on the future of the nexus agenda Water-Energy-Food Nexus: Theories and Practices is a valuable resource for students, research scholars and professionals in academic institutions with strong interests in interdisciplinary research involving geography, earth science, environmental science, environmental management, sustainability science, international development, and ecological economics. The volume will also be useful for professionals, practitioners and consultants in /NGOs, government, and international agencies. Read an interview with the editors to find out more: https://eos.org/editors-vox/working-towards-a-sustainable-future
Author : Magalhaes, M.,Ringler, C.,Verma, Shilp,Schmitter, Petra
Publisher : International Water Management Institute (IWMI). CGIAR Research Program on Water, Land and Ecosystems (WLE).
Page : 30 pages
File Size : 41,6 Mb
Release : 2022-11-02
Category : Technology & Engineering
ISBN : 9789290909354
Author : P K Viswanathan,M. Dinesh Kumar,A. Narayanamoorthy
Publisher : Springer
Page : 178 pages
File Size : 55,6 Mb
Release : 2016-02-19
Category : Business & Economics
ISBN : 9789811003486
This book takes stock of micro irrigation systems (MIS), the technological intervention in India’s agricultural and water management sectors, over the past couple of decades. Based on empirical research from the major agriculturally dynamic states, viz., Gujarat, Rajasthan, Maharashtra, Tamil Nadu, Andhra Pradesh and Karnataka, the book provides a nuanced understanding and objective assessment of the implementation and adoption of MIS across these states. It addresses several of the questions related to adoption and impacts of MIS in India. On the adoption side, the key question that the book addresses is which segment of the farming community adopts MIS across states? The impacts analysed include those on physical, agronomic and economic aspects. At the macro level, the question being asked is about the future potential of MIS in terms of saving water from agriculture and making more water available for environment. The book also addresses the question of the positive/negative externalities and real social benefits and costs from the use of MIS, a major justification for heavy capital subsidies for its purchase by farmers. It also brings out certain critical concerns pertaining to MIS adoption, which need to be addressed through more empirical research based on longitudinal panel/ cross sectional data. The book would be of great use to researchers (agricultural water management, irrigation economics), students of water resource engineering, irrigation engineering and water resources management, as well as to policy makers and agricultural water management experts – national and international.
Author : ALBERTO. W. KIPRONO IBANEZ LLARIO (ASENATH.),Asenanth Kiprono
Publisher : Unknown
Page : 268 pages
File Size : 50,9 Mb
Release : 2020-10-03
Category : Solar pumps
ISBN : 1788530357
Solar power for pumping groundwater has a vast potential for improving the sustainability of water supply schemes. However a lack of knowledge is holding back their adoption. This book bridges this gap to equip engineers and technicians with the knowledge for design, implementation and operation of sustainable solar powered water schemes.
Author : YCT Expert Team
Publisher : YOUTH COMPETITION TIMES
Page : 354 pages
File Size : 55,7 Mb
Release : 2024-07-01
Category : Antiques & Collectibles
ISBN : 8210379456XXX
2024-25 UPPSC Mains Descriptive Solved Papers General Hindi, Essay and General Studies 352 695 E. This book contains previous years solved papers from 2018 to 2023.
Author : YCT Expert Team
Publisher : YOUTH COMPETITION TIMES
Page : 224 pages
File Size : 52,9 Mb
Release : 2024-07-01
Category : Antiques & Collectibles
ISBN : 8210379456XXX
2022-23 UPPCS (Mains) General Hindi, Essay & General Studies Descriptive Solved Papers
Author : Verma, Shilp,Kashyap, D.,Shah, Tushaar,Crettaz, M.,Sikka, Alok
Publisher : IWMI
Page : 16 pages
File Size : 44,8 Mb
Release : 2019-08-16
Category : Science
ISBN : 8210379456XXX