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Author: Eric Antwi Ofosu Publisher: CRC Press ISBN: 0415621038 Category : Technology & Engineering Languages : en Pages : 282
Book Description
Sub-Saharan Africa has an irrigation potential of about 42 million hectares of which only 17% is developed. Despite several investments in irrigation the growth is slow. This study aims at helping to achieve sustainable irrigation in sub-Saharan Africa, through gaining a better understanding of productive irrigation water use and effective management of irrigation development. The study is conducted in the White Volta sub-basin specifically in Northern Ghana and Southern Burkina Faso which have been experiencing rapid irrigation development since the mid 1990s. The study identified growing markets for irrigated products as an important driving force behind the expansion of irrigation which has given rise to new technologies. The new technologies have spread because they gave farmers direct control over water sources. These new technologies allow relatively small farm sizes which can be adequately managed by the surveyed farmers. As a result high productivities are achieved. The hydrological impact of upscaling irrigation in the sub-basin is sustainable and will maximize the overall benefits derived from water resources in the Volta Basin.
Author: Eric Antwi Ofosu Publisher: CRC Press ISBN: 0415621038 Category : Technology & Engineering Languages : en Pages : 282
Book Description
Sub-Saharan Africa has an irrigation potential of about 42 million hectares of which only 17% is developed. Despite several investments in irrigation the growth is slow. This study aims at helping to achieve sustainable irrigation in sub-Saharan Africa, through gaining a better understanding of productive irrigation water use and effective management of irrigation development. The study is conducted in the White Volta sub-basin specifically in Northern Ghana and Southern Burkina Faso which have been experiencing rapid irrigation development since the mid 1990s. The study identified growing markets for irrigated products as an important driving force behind the expansion of irrigation which has given rise to new technologies. The new technologies have spread because they gave farmers direct control over water sources. These new technologies allow relatively small farm sizes which can be adequately managed by the surveyed farmers. As a result high productivities are achieved. The hydrological impact of upscaling irrigation in the sub-basin is sustainable and will maximize the overall benefits derived from water resources in the Volta Basin.
Author: Timothy O. Williams Publisher: Routledge ISBN: 131747953X Category : Nature Languages : en Pages : 376
Book Description
The Volta River Basin (VRB) is an important transboundary basin in West Africa that covers approximately 410,000 square kilometres across six countries: Benin, Burkina Faso, Côte d’Ivoire, Ghana, Mali and Togo. Its natural resources sustain the livelihoods of its population and contribute to economic development. This book provides a comprehensive, interdisciplinary review and assessment of the issues and challenges faced. The authors provide a science-based assessment of current and future scenarios of water availability, the demands of key sectors, including agriculture and hydropower, and the environment under changing demographic, economic, social and climatic conditions. They also identify solutions and strategies that will allow available water resources to be sustainably used to improve agricultural productivity, food security and economic growth in the VRB. Overall, the work examines from a multidisciplinary and multi-stakeholder perspective the solutions and strategies to improve the use of water and other natural resources in the VRB to achieve enhanced food security, livelihoods and economic growth.
Author: Marloes Mul, Emmanuel Obuobie Publisher: International Water Management Institute (IWMI) ISBN: 9290908297 Category : Technology & Engineering Languages : en Pages : 82
Author: I. Ethem Gonenc Publisher: CRC Press ISBN: 1138000183 Category : Nature Languages : en Pages : 232
Book Description
This proceedings volume contains papers and extended abstracts presented at the International Conference on Sustainable Watershed Management (SuWaMa 2014). The Conference was the second in a series of Sustainable Watershed Management Conferences. The objective of the Conference Series was to present and discuss advanced environmental models and contemporary decision support tools for the sustainable use and development of watersheds. Contributions cover the following topics: sound watershed management practices (case studies and examples from various countries including lessons learned from implementation of both successful and deficient management scenarios), decision support tools (such as monitoring, GIS, ecological economics, cost/benefit analysis and decision making models), integrated environmental model applications for management (including watershed, air-shed, coastal, and living resource models), trans-boundary environmental issues (air pollution, climate change, coastal oceans at regional, continental, and global scales) and global watershed sustainability. This multidisciplinary volume will benefit natural and social scientists, engineers, managers and other professionals as well as stakeholders with an interest in water resources and their management.
Author: Johnston, Robyn M. Publisher: IWMI ISBN: 9290907304 Category : Languages : en Pages : 52
Book Description
For agriculture there is a continuum of water storage options, ranging from groundwater aquifers, soil water, natural wetlands and small ponds and tanks to large reservoirs. In any situation each of these has its own niche in terms of technical feasibility, socioeconomic sustainability and impact on public health and the environment. Planning storage requires insight into impending needs and also a good understanding of what already exists and what was, and was not, successful, in the past. This report provides an inventory of existing and prospective water storage in the Ghanaian Volta and the Ethiopian Blue Nile basins. It provides as much quantitative data as possible, but highlights both the dearth of readily available information and the lack of integrated planning of storage in both basins. Recommendations are made for improved planning in the future.
Author: Christopher Gordon Publisher: VOLTA Basin Research Project University of Ghana ISBN: Category : Sustainable agriculture Languages : en Pages : 180
Author: E. D. Ongley Publisher: Food & Agriculture Org. ISBN: 9789251038758 Category : Business & Economics Languages : en Pages : 114
Book Description
Agricultural operations can contribute to water quality deterioration through the release of several materials into water: sediments, pesticides, animal manures, fertilizers and other sources of inorganic and organic matter. This ''guidelines'' document on control and management of agricultural water pollution has the objectives of delineating the nature and consequences of agricultural impacts on water quality, and of providing a framework for practical measures to be undertaken by relevant professionals and decision-makers to control water pollution.
Author: Namara, Regassa E. Publisher: IWMI ISBN: 9290907398 Category : Languages : en Pages : 40
Book Description
Interest in African irrigation investment is growing. However, irrigation is not a monolithic concept, and the opportunities and risks can vary substantially by approach. To help provide an understanding of the variation, this paper builds on previous work to provide a detailed typology of irrigation systems as currently used in Ghana.
Author: Eric Antwi Ofosu
Author: Eric Antwi Ofosu
Author: Timothy O. Williams
Author: Marloes Mul, Emmanuel Obuobie
Author: I. Ethem Gonenc
Author: Johnston, Robyn M.
Author: Christopher Gordon
Author: Mul, Marloes
Author: E. D. Ongley
Author: Namara, Regassa E.
Author: Karen Frenken