Understanding The Impact Of Human Interventions On The Hydrology Of Nile Basin Headwaters The Case Of Upper Tekeze Catchments
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Understanding The Impact Of Human Interventions On The Hydrology Of Nile Basin Headwaters The Case Of Upper Tekeze Catchments
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Author : Tesfay Gebremicael
language : en
Publisher: CRC Press
Release Date : 2019-11-26
Understanding The Impact Of Human Interventions On The Hydrology Of Nile Basin Headwaters The Case Of Upper Tekeze Catchments written by Tesfay Gebremicael and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-26 with Science categories.
The availability and distribution of water resources in catchments are influenced by various natural and anthropogenic factors. Human-induced environmental changes are key factors controlling the hydrological flows of semi-arid catchments. Land degradation, water scarcity and inefficient utilization of available water resources continue to be important constraints for socio-economic development in the headwater catchments of the Nile river basin in particular over the Ethiopian Catchments. This research investigates the impact of landscape anthropogenic changes on the hydrological processes in the Upper Tekeze basin (A tributary of the Nile). The hydrology of the basin is investigated through analysis of hydro-climatic data, remote sensing techniques, new field measurements and parsimonious hydrological models. The empirical evidence provided in this book confirms that human-induced environmental changes can significantly change the hydrology of catchments, both in negative (degradation) and in positive (restoration) ways. This book also shows that rainfall-runoff relationships in semi-arid catchments are non-uniform and hence the application of hydrological models in such catchments need special attention. Moreover, parsimonious dynamic hydrological model improves our understanding of the hydrological response to dynamic environmental changes.
Understanding The Impact Of Human Interventions On The Hydrology Of Nile Basin Headwaters The Case Of Upper Tekeze Catchments
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Author : Tesfay Gebretsadkan Gebremicael
language : en
Publisher:
Release Date : 2019
Understanding The Impact Of Human Interventions On The Hydrology Of Nile Basin Headwaters The Case Of Upper Tekeze Catchments written by Tesfay Gebretsadkan Gebremicael and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Water-supply categories.
The availability and distribution of water resources in catchments are influenced by various natural and anthropogenic factors. Human-induced environmental changes are key factors controlling the hydrological flows of semi-arid catchments. Land degradation, water scarcity and inefficient utilization of available water resources continue to be important constraints for socio-economic development in the headwater catchments of the Nile river basin in particular over the Ethiopian Catchments. This research investigates the impact of landscape anthropogenic changes on the hydrological processes in the Upper Tekeze basin (A tributary of the Nile). The hydrology of the basin is investigated through analysis of hydro-climatic data, remote sensing techniques, new field measurements and parsimonious hydrological models. The empirical evidence provided in this book confirms that human-induced environmental changes can significantly change the hydrology of catchments, both in negative (degradation) and in positive (restoration) ways. This book also shows that rainfall-runoff relationships in semi-arid catchments are non-uniform and hence the application of hydrological models in such catchments need special attention. Moreover, parsimonious dynamic hydrological model improves our understanding of the hydrological response to dynamic environmental changes.
Understanding The Impact Of Human Interventions On The Hydrology Of Nile Basin Headwaters The Case Of Upper Tekeze Catchments
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Author : Tesfay Gebretsadkan Gebremicael
language : en
Publisher: CRC Press
Release Date : 2019-11-26
Understanding The Impact Of Human Interventions On The Hydrology Of Nile Basin Headwaters The Case Of Upper Tekeze Catchments written by Tesfay Gebretsadkan Gebremicael and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-26 with Science categories.
The availability and distribution of water resources in catchments are influenced by various natural and anthropogenic factors. Human-induced environmental changes are key factors controlling the hydrological flows of semi-arid catchments. Land degradation, water scarcity and inefficient utilization of available water resources continue to be important constraints for socio-economic development in the headwater catchments of the Nile river basin in particular over the Ethiopian Catchments. This research investigates the impact of landscape anthropogenic changes on the hydrological processes in the Upper Tekeze basin (A tributary of the Nile). The hydrology of the basin is investigated through analysis of hydro-climatic data, remote sensing techniques, new field measurements and parsimonious hydrological models. The empirical evidence provided in this book confirms that human-induced environmental changes can significantly change the hydrology of catchments, both in negative (degradation) and in positive (restoration) ways. This book also shows that rainfall-runoff relationships in semi-arid catchments are non-uniform and hence the application of hydrological models in such catchments need special attention. Moreover, parsimonious dynamic hydrological model improves our understanding of the hydrological response to dynamic environmental changes.
Understanding Catchment Processes And Hydrological Modelling In The Abay Upper Blue Nile Basin Ethiopia
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Author : SIRAK TEKLEAB. GEBREKRISTOS
language : en
Publisher: CRC Press
Release Date : 2018-09-27
Understanding Catchment Processes And Hydrological Modelling In The Abay Upper Blue Nile Basin Ethiopia written by SIRAK TEKLEAB. GEBREKRISTOS and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-27 with categories.
The Abay / Upper Blue Nile basin contributes the largest share of discharge to the river Nile. However, the basin exhibits large spatio-temporal variability in rainfall and runoff. Moreover, human activities also impact hydrological processes through intensive agriculture, overgrazing and deforestation, which substantially affect the basin hydrology. Thus, understanding hydrological processes and hydro-climatic variables at various spatio-temporal scales is essential for sustainable management of water resources in the region. This research investigates the hydrology of the basin in depth using a range of methods at various spatio-temporal scales. The methods include long-term trend analysis of hydroclimatic variables, hydrologic responses analysis of land cover change, stable isotope techniques and process based rainfallrunoff modelling. A combination of field investigations with new measurements of precipitation, water levels and stable isotopes as well as existing hydro-climatic data offered gaining new insights about runoff generation processes in headwater catchments. The use of rainfall-runoff modelling in two meso-scale catchments of the Abay basin depict that a single model structure in a lumped way for the entire Abay basin cannot represent all the dominant hydrological processes. The results of the different approaches demonstrated the potential of the methods to better understand the basin hydrology in a data scarce region.
Nile River Basin
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Author : Assefa M. Melesse
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-03-28
Nile River Basin written by Assefa M. Melesse and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03-28 with Science categories.
This book presents results of scientific studies ranging from hydrological modelling to water management and policy issues in the Nile River basin. It examines the physical, hydrometeorological and hydrogeological description of the basin along with analysis in understanding the hydrological processes of the basin under the changing land-use stemming from population pressure and increased natural resources tapping. The book discusses the increased impact of climate change on the river flows, and such issues as water availability and demand, management and policy to offset the imbalance between demand and available resources. This book will be of interest to researchers, practitioners, water resources mangers, policy makers as well as graduate and undergraduate students. It is a useful reference text for ecohydrology, arid zone hydrology, hydrology of transboundary rivers and similar courses.
The Nile Waters
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Author : Joseph Awange
language : en
Publisher: Springer Nature
Release Date : 2021-02-19
The Nile Waters written by Joseph Awange and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-19 with Science categories.
This book is useful to those in water resources management and policy formulations, hydrologists, environmentalists, engineers and researchers. Exploiting advanced statistical techniques and the latest state-of-the-art multi-mission satellites, surface models and reanalysis products, this book provides the first comprehensive weighing of the changes in the Nile River Basin’s (NRB: ~ 3,400,000 km2 ) stored waters' compartments, surface, soil moisture and groundwater, and their association to climate variability/change and anthropogenic impacts on the one hand. On the other hand, it argues on the need for equitable use of the NRB’s waters by all 11 countries within its basin, and doing away with obsolete Nile treaties that were signed by Britain, Egypt and Sudan, which prohibit the use of the Nile by 8 upstream countries. With Ethiopia’s construction of Africa’s largest dam (GERD; Grand Ethiopian Renaissance Dam) along the Blue Nile, which is expected to take several years to fill, the Nile is back on the news. Combined with Uganda’s Nalubaale, Kiira and Bujagali dams on the White Nile, these human-induced impacts (i.e., damming), coupled with those of climate variability/change, are expected to exacerbate tension with the low stream countries (Egypt and Sudan) fearing the cut in theNile’s total volume. Furthermore, the Nile river, arguably the world’s longest river (6800 km), impacts on the livelihood of over 300 million people of 11 countries within its basin. This population is expected to double in the next twenty-five years, thereby putting extreme pressure on its water resources. An in-depth analysis of changes in the Nile’s stored waters, therefore, is essential to inform its management and sustainable equitable use. Owing to its sheer size, however, obtaining in-situ data from “boots on the ground” is practically impossible, paving way to the space-based weighing of the Nile River Basin using a suite of high spatio-temporal remotely sensed and reanalysis products, as well as those of hydrological models. “Arguably, the Nile River is the most unique river in the world. It spans extremes of rainfall from being measured by meters to being measured by centimeters, from the humid tropics to the driest of deserts. Yet, thirsty people live throughout this basin and therefore the demands on its water resources are uneven. Knowing the water amounts throughout the entire Nile Basin is a critical step for governments and international treaties to avoid the “Tragedy of the Commons”. Africa can embrace this future through the leadership of Prof. Awange and others like him who have devoted their careers to Africa’s waters” —Doug Alsdorf, Ph.D., Professor of Geophysics at the Ohio State University (USA).
A Review Of Hydrology Sediment And Water Resource Use In The Blue Nile Basin
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Author : Seleshi Bekele Awulachew
language : en
Publisher: IWMI
Release Date : 2009-02-05
A Review Of Hydrology Sediment And Water Resource Use In The Blue Nile Basin written by Seleshi Bekele Awulachew and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-02-05 with Blue Nile River Watershed (Ethiopia and Sudan) categories.
This working paper has been prepared as one of the outputs of the ‘Improved water and land management in the Ethiopian Highlands and its impact on downstream stakeholders dependent on the Blue Nile’ project, supported by the CGIAR Challenge Program on Water and Food (CPWF). It provides a comprehensive literature review; identifies types, sources and provides geo-referencing of data in the basin; compiles information of hydrology, sediment, and water resources and its uses. It also provides a review of applicable models for watershed and water allocation simulation, research methods, past studies and published material related to the Blue Nile. Extensive reference material and previous studies are compiled.
The Nile Basin Water Resources Overview Of Key Research Questions Pertinent To The Nile Basin Initiative
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Author : Yasir Mohamed
language : en
Publisher: IWMI
Release Date : 2008-06-24
The Nile Basin Water Resources Overview Of Key Research Questions Pertinent To The Nile Basin Initiative written by Yasir Mohamed and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-06-24 with Nile River Watershed categories.
The Nile Basin Initiative (NBI) is a remarkable achievement towards the cooperative management of the common Nile water resources. Based on a Shared Vision Program and a Subsidiary Action Program, the NBI has numerous ongoing projects on the ground. Research on the Nile water resources has been recognized to be crucial for successful implementation of the NBI projects. Therefore, IWMI and other research centers have worked together with the NBI to identify knowledge gaps pertinent to the Nile water resources. This report presents prioritized research questions, pertinent ongoing research projects and the implementing institutions; and available databases on the Nile.
Nile River Basin
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Author : Assefa M. Melesse
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-02-13
Nile River Basin written by Assefa M. Melesse and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-13 with Science categories.
The book provides a comprehensive overview of the hydrology of the Nile River, especially the ecohydrological degradation and challenges the basin is facing, the impact of climate change on water availability and the transboundary water management issues. The book includes analysis and approaches that will help provide different insights into the hydrology of this complex basin, which covers 11 countries and is home to over 300 million people. The need for water-sharing agreements that reflect the current situations of riparian countries and are based on equitable water- sharing principles is stressed in many chapters. This book explores water resource availability and quality and their trends in the basin, soil erosion and watershed degradation at different scales, water and health, land use and climate change impact, transboundary issues and water management, dams, reservoirs and lakes. The link between watershed and river water quantity and quality is discussed pointing out the importance of watershed protection for better water resource management, water accessibility, institutional set-up and policy, water demand and management. The book also presents the water sharing sticking points in relation to historical treaties and the emerging water demands of the upstream riparian countries. The need for collaboration and identification of common ground to resolve the transboundary water management issues and secure a win-win is also indicated.
The Nile River System Africa
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Author : Bakenaz A. Zeidan
language : en
Publisher: Elsevier
Release Date : 2024-02-01
The Nile River System Africa written by Bakenaz A. Zeidan and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-02-01 with Science categories.
The Nile River System, Africa: Ecohydrology and Management from Catchment to Coast, Volume Two provides a critical synthesis of knowledge for an important global region. It covers water availability and needs in the Nile basin, focusing on socioeconomic, hydrological and ecological aspects and the catchment-coast continuum, also providing the information needed to develop a policy for the river that is less skewed toward immediate human needs and more focused on environmental impacts. Readers will find ecological perspectives, recent stresses, the current status of the basin, and more. The greater integration of ecological and river management themes is the main strength of this book, making it a strong reference for academics and water resources managers, as well as fishery experts, aquatic scientists and social scientists. Provides a basis for improved environmental management of the Nile River basin from its headwaters to the Mediterranean Sea Presents a multidisciplinary approach, covering both environmental and societal needs Includes case studies from this diverse river that can be applied globally