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Modelling Groundwater Systems: Understanding and Improving Groundwater Quantity and Quality Management
Groundwater is increasingly subjected to excessive over-exploitation and contamination in many parts of the world. It faces the challenge of balancing its multiple functions in a sustainable manner. This thesis explores several specific problems related to contaminant migration, groundwater-surface water interactions and managed aquifer recharge, using a variety of simulation methods and combined simulation-optimization modelling approaches. The validity of these approaches for evaluating groundwater quantity and quality management options is explored. Case studies were performed on field applications in Belgium, Germany and Oman. The results of these studies demonstrate that better insights and improved groundwater resource management can be achieved through a combination of different simulation and optimization methods that take into account data availability and specific site conditions.
Inventory of water storage types in the Blue Nile and Volta River Basins
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.
Groundwater in Ethiopia
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...
Securing the commons in India: Mapping polycentric governance
Common pool land and water resources in India play vital, but often overlooked, roles in livelihoods and ecosystem services. These resources are subject to the authority of various government departments and are often managed in ways that result in uncertain tenure for the people who depend on these resources for fodder, fuel, water, and other products. An Indian NGO, the Foundation for Ecological Security (FES), has developed a process for “commoning”—assisting communities to secure the commons by forming inclusive local institutions to manage the resources, and to work with different government departments to gain stronger rights to the commons. This paper applies polycentricity theo...
Natural Arsenic in Groundwaters of Latin America
Groundwater resources naturally contain high levels of arsenic in many parts of the world. Over the last two decades, the As-containing groundwater in South-East Asia has received much attention, but the situation is just as crucial in Latin America, where the number of studies is still relatively low, and the extent and severity of As-exposure in the populations has yet to be fully evaluated. This book aims to promote knowledge of the occurrence and genesis of As-rich groundwater in Latin America. It deals with constraints on the mobility of As in groundwater, As-uptake from soil and water by plants, As-propagation through the food chain, human health impacts, and As-removal technologies. C...
Groundwater Quantity and Quality Management
"Sponsored by Groundwater Management Technical Committee of the Groundwater Council of EWRI, Environmental and Water Resources Institute (EWRI) of the American Society of Civil Engineers."
Understanding Ethiopia
Understanding Ethiopia is a detailed description of Ethiopia’s geological story and enables non-specialist readers to share the author’s thrill at gaining a deeper insight into the processes which produced, and continue to shape, this amazing country. Ethiopia’s spectacular landscapes, ranging from mountains over 4500m high to salt plains 150m below sea level, are a reflection of the geological processes that formed the country. Indeed, its history and the historical sites, for which it is renowned, are largely determined by geology. Readers learn why and how Ethiopia’s geology is both unique and dynamic, as here the earth’s crust is in the process of breaking apart.
Agricultural Salinity and Drainage
This handbook has been developed to bridge the gap between the advanced salinity literature and practical information on salinity intended for lay audiences. A user-friendly resource for agricultural consultants and advisors, as well as for local, state and federal agricultural and water agency management staff. Includes thirty-eight chapters covering a broad spectrum of salinity and drainiage topics, written so as to be easily understood by anyone with a general agricultural background. Also includes appendices presented as a shorthand guide to assessing soil salinity and to determining the suitability of a given water for irrigation. Illustrated with 27 tables and 44 figures. One of a series of water management handbooks prepared by the UC Irrigation Program.
Climate and Food Security
Food security and agricultural research; Climatic variability and crop yields; Climatic vulnerability of major food crops; Climatic variability and factors of agricultural production; Climate modeling and climate change; Social and economic implications of climate-food interaction; Strategies for coping with climatic fluctuation and change.
Searching for a New Kenya
Examining online and in-person public discussion in Kenya, this book sheds fresh light on the role of public discussion and social media in politics.
