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Author : United Nations. Department of Technical Cooperation for Development
Publisher : Unknown
Page : 336 pages
File Size : 47,8 Mb
Release : 1989
Category : Nature
ISBN : UOM:39015028919770
Author : Anonim
Publisher : Unknown
Page : 0 pages
File Size : 55,8 Mb
Release : 1988
Category : Biotechnology industries
ISBN : 9211042224
Author : United Nations. Department of Economic and Social Affairs
Publisher : New York : United Nations
Page : 184 pages
File Size : 48,7 Mb
Release : 1973
Category : Groundwater
ISBN : UOM:39015026951841
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 : 45,6 Mb
Release : 1988
Category : Nature
ISBN : UOM:39015024776612
Author : Southern African Development Community,International Union for Conservation of Nature and Natural Resources
Publisher : Southern African Research and Documentation Centre
Page : 274 pages
File Size : 54,5 Mb
Release : 1996
Category : Business & Economics
ISBN : STANFORD:36105020246240
Author : Yongxin Xu,Brent Usher
Publisher : CRC Press
Page : 368 pages
File Size : 54,7 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 : Anonim
Publisher : CIMMYT
Page : 243 pages
File Size : 54,5 Mb
Release : 2024-07-01
Category : Electronic
ISBN : 9789706481351
Author : International Development Research Centre (Canada)
Publisher : IDRC
Page : 313 pages
File Size : 46,6 Mb
Release : 1996
Category : Water resources development
ISBN : 9780889368040
Water Management in Africa and the Middle East: Challenges and Opportunities
Author : Segun Adelana,Alan MacDonald
Publisher : CRC Press
Page : 518 pages
File Size : 48,5 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 : J. Anthony A. Jones
Publisher : Springer Science & Business Media
Page : 234 pages
File Size : 40,9 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.
Author : Anonim
Publisher : Unknown
Page : 406 pages
File Size : 55,8 Mb
Release : 1986
Category : Groundwater
ISBN : UOM:39015024912373
Author : Seifu Kebede
Publisher : Springer Science & Business Media
Page : 283 pages
File Size : 49,7 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 : International Development Research Centre (Canada)
Publisher : IDRC
Page : 313 pages
File Size : 49,6 Mb
Release : 1996
Category : Water resources development
ISBN : 9780889368040
Water Management in Africa and the Middle East: Challenges and Opportunities
Author : Anonim
Publisher : Food & Agriculture Org.
Page : 168 pages
File Size : 40,6 Mb
Release : 1997
Category : Nature
ISBN : 9251039860
Author : Yongxue Xu,Hans E. Beekman
Publisher : Unknown
Page : 207 pages
File Size : 44,6 Mb
Release : 2003
Category : Artificial groundwater recharge
ISBN : 9292200003