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Author : United Nations. Department of Economic and Social Affairs
Publisher : New York : United Nations
Page : 184 pages
File Size : 51,9 Mb
Release : 1973
Category : Groundwater
ISBN : UOM:39015026951841
Author : United Nations. Department of Technical Cooperation for Development
Publisher : Unknown
Page : 336 pages
File Size : 45,5 Mb
Release : 1989
Category : Nature
ISBN : UOM:39015028919770
Author : United Nations. Department of Technical Cooperation for Development,United Nations. Economic Commission for Africa
Publisher : New York : United Nations
Page : 420 pages
File Size : 45,8 Mb
Release : 1988
Category : Nature
ISBN : UOM:39015024776612
Author : Yongxin Xu,Brent Usher
Publisher : CRC Press
Page : 368 pages
File Size : 49,9 Mb
Release : 2006-10-05
Category : Science
ISBN : 9780203963548
In 2000, various UN organizations launched a collaborative effort to assess the vulnerability of groundwater in several African cities. The project addressed the issue of aquifer vulnerability and the protection of groundwater quality. This book is a collection of thirty peer-reviewed papers on the topic, and provides a glimpse of the situation acr
Author : Alan M. MacDonald
Publisher : ITDG Publishing
Page : 392 pages
File Size : 41,8 Mb
Release : 2005
Category : Social Science
ISBN : UOM:39015060884452
A user-friendly guide to developing groundwater for rural water supplies in developing countries. It provides information on simple, effective techniques for siting wells and boreholes, assessing resource sustainability, constructing and testing the yield of boreholes and wells, and monitoring groundwater quality.
Author : M. Shahin
Publisher : Springer Science & Business Media
Page : 674 pages
File Size : 55,9 Mb
Release : 2006-04-11
Category : Science
ISBN : 9780306480652
Africa, the cradle of many old civilizations, is the second largest world continent, and the homeland of nearly one-eighth of the world population. Despite Africa’s richness in natural resources, the average income per person, after excluding a few countries, is the lowest all over the world, and the percentage of inhabitants infected with contagious diseases is the highest. Development of Africa to help accommodate the ever-increasing population and secure a reasonable living standard to all inhabitants, though an enormous challenge is extremely necessary. Water is the artery of life, without it all living creatures on earth cannot survive. As such, a thorough knowledge of the meteorological and hydrological processes influencing the yield and quality of the water resources, surface and subsurface, and their distribution and variability in time and space is unavoidable for the overall development of any part of the world. It is highly probable that the said knowledge is at present a top priority to Africa, a continent that has been for so long-and probably still-devastated by the endless ambitions of colonial powers not to forget the corruption and destruction practiced by the internal powers, at least in some countries. The present book “Hydrology and Water Resources of Africa” is written with the aim of bringing together in one volume a fair amount of knowledge any professional involved in hydrology and water resources of Africa needs to know.
Author : Segun Adelana,Alan MacDonald
Publisher : CRC Press
Page : 518 pages
File Size : 49,5 Mb
Release : 2008-09-23
Category : Science
ISBN : 9780203889497
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
Author : Yongxin Xu,E. Braune
Publisher : CRC Press
Page : 314 pages
File Size : 48,9 Mb
Release : 2010
Category : Business & Economics
ISBN : PSU:000067070589
Disseminating investigations and providing pointers towards achieving sustainable groundwater supplies in community environments across the African continent, this book provides coverage of search integrated water, sanitation, hygiene delivery, and implementation best practices. The second part, through a variety of case studies, illustrates the current status and pitfalls that hydrogeologists experience--highlighting the relevant challenges that Sub-Saharan Africa still faces in this battle. The chapters assess the current situation, best practices, and contemporary challenges.
Author : Salif Diop,Peter Scheren,Awa Niang
Publisher : Springer Nature
Page : 521 pages
File Size : 40,7 Mb
Release : 2021-02-15
Category : Technology & Engineering
ISBN : 9783030612252
The focus of this book is on the key water-related vulnerabilities to climate change in Africa, particularly in its most vulnerable areas, exploring potential management responses to such vulnerabilities. The African countries are particularly exposed and vulnerable to the negative impacts of climate change, with important impacts on water resources and hydrological systems, water availability, water resource management and sea level variations. Already, under various anthropogenic pressures, the status of water resources in Africa has been changing over the past decades, with decreasing water quality, falling groundwater levels, and variability in rainfall, both in terms of timing and intensity. Climate change will further accelerate the rate of change, affecting the ability of people and societies to respond in a timely manner. It is clear that there is no quick fix to the pressures imposed on water resources by climate change. Increasing the resilience of ecosystems and communities to extreme events such as flooding and drought, and integrating climate change risks and opportunities into development decision-making is indeed a key challenge, as much a technical climate-change one, as a political and developmental challenge. The book, in this regard, intends to contribute to the debate around climate change in relation to water resources management in Africa, and in particular inform policy decisions and actions that will improve governments’ and communities’ ability to manage the challenges of climate change and variability in relation to the aquatic ecosystems that they depend on. The knowledge collected in this book will benefit policy makers, researchers, as well as other stakeholders.
Author : Paul Pavelic,Karen G. Villholth,Shilp Verma
Publisher : Taylor & Francis
Page : 237 pages
File Size : 45,5 Mb
Release : 2023-05-08
Category : Nature
ISBN : 9781000866445
This book provides a comprehensive analysis of the benefits and challenges of intensifying groundwater irrigation in Sub-Saharan Africa (SSA) for improving smallholder agrarian livelihoods. Only about 3% of the groundwater resources of Sub-Saharan Africa are used for irrigated agriculture despite the subcontinent’s relative abundance of groundwater. The majority of the region’s smallholders are highly dependent on seasonal dryland cropping, making them extremely vulnerable to uncertain weather patterns and droughts. Improved irrigation capabilities through sustainable groundwater development could unleash smallholder farming and make it a major driver of economic growth, poverty reduction, climate resilience, and improved food security. So, why is groundwater so underused? Tapping into groundwater requires a major shift in farming practices and it has its own challenges and requirements – smallholder access to land and finance for irrigation infrastructure and equipment, gendered and equitable adoption options. This whole list is framed in terms of what the smallholder farmers need. Hence, this should also be put in this context, supply chains, energy access, resource availability, and institutional support. The chapters in this book present a picture that is not only heterogeneous across the region, but also hold some common denominators. They serve to enrich the discourse and help better understand the barriers along the pathways toward the sustainable and transformative adoption of groundwater irrigation. The scientific information provided herein would be of interest to researchers, practitioners, decision makers and planners with interest in the region. This book was originally published as a Special Issue of Water International journal.
Author : K. A. Edwards
Publisher : ILRI (aka ILCA and ILRAD)
Page : 120 pages
File Size : 49,8 Mb
Release : 1983-01-01
Category : Electronic books
ISBN : 929053043X
Author : Anonim
Publisher : Unknown
Page : 274 pages
File Size : 52,9 Mb
Release : 2012
Category : Electronic
ISBN : 9290907584
Author : Richard G. Taylor
Publisher : Unknown
Page : 0 pages
File Size : 43,7 Mb
Release : 2009
Category : Climatic changes
ISBN : 1907161058
Author : Seifu Kebede
Publisher : Springer Science & Business Media
Page : 283 pages
File Size : 41,6 Mb
Release : 2012-08-01
Category : Science
ISBN : 9783642303913
This book provides a comprehensive description of groundwater resources in Ethiopia and its various dimensions (groundwater as resource, environmental functions, and socioeconomics). The prevailing knowledge of groundwater resources in Ethiopia (or elsewhere in Sub Saharan Africa) was based on geological and stratigraphic framework known nearly four decades ago (mainly 1960's and 70's). Thanks to the substantial geoscientific research since the 70's a new set of relevant geological/stratigrahpic data has been created that helps to re-define our understanding of groundwater resources in Africa as a whole and in Ethiopia in particular: a) For the first time the basement aquifer of Ethiopia has been described hydrogeologically based on genesis of regoliths (deep weathering and striping history); clear regional difference in groundwater potential is shown for the first time; comparative accounty has been given regarding groundwater occurrence in the generally low grade basement rocks of Ethiopia (Arabian Nubian shield) and high grade basement rocks of the rest of Africa. b) For the first time groundwater occurrence in multilayred sedimentary rocks account for spatial variation in degree of karstification; deformation history, and stratigraphy. c) The vast volcanic aquifers of Ethiopia which have previously classified based on their ages are now reclassified based on age, morphology (eg. groundwater in plateau volcanics, groundwater in shield volcanics) and aquifer structure. d) The loose alluvio lacustrine sediments which were known as least extensive in previous works based on areal cover are in fact shown to host the most voluminous groundwater resources in Ethiopia. These aquifers have now been described based on their geomorphology, extent, and genesis. The aim of this book is to use these newly created knowledge to redefine the understanding of groundwater resources in Ethiopia.
Author : J. Anthony A. Jones
Publisher : Springer Science & Business Media
Page : 234 pages
File Size : 42,9 Mb
Release : 2011-07-21
Category : Technology & Engineering
ISBN : 9789048134267
Burgeoning population and climate change are among the most critical challenges facing the 21st century. Both have critical implications for groundwater resources, especially in many developing countries where resources are already under pressure. Due to low rainfall and high evaporation in parts of the Middle East and North Africa, groundwater is not being renewed, and groundwater laid down up to 10,000 years ago is literally being mined for irrigation, often very inefficiently. Over recent decades, groundwater levels have fallen dramatically in key grain-growing regions like the American Great Plains and the North China Plain. As the population grows and emerging economies like China and India demand more food, especially water intensive meat products, agricultural demand for water is set to increase. The rapid shift of population from the countryside to the cities is also adding to this pressure; most old wells in Beijing are now dry. Pollution from industry, agriculture and shanty towns is destroying many groundwater resources; some could take 50 years to clean up even with strict and immediate controls. This volume looks at the technical, socio-economic and political problems being faced, and at the developments in groundwater science and management that may help create a sustainable future for our planet.