Tana River Basin Kenya
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Baseline Review And Ecosystem Services Assessment Of The Tana River Basin Kenya
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Author : Baker, Tracy
language : en
Publisher: International Water Management Institute (IWMI)
Release Date : 2015-06-01
Baseline Review And Ecosystem Services Assessment Of The Tana River Basin Kenya written by Baker, Tracy and has been published by International Water Management Institute (IWMI) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-01 with Nature categories.
The ‘WISE-UP to climate’ project aims to demonstrate the value of natural infrastructure as a ‘nature-based solution’ for climate change adaptation and sustainable development. Within the Tana River Basin, both natural and built infrastructure provide livelihood benefits for people. Understanding the interrelationships between the two types of infrastructure is a prerequisite for sustainable water resources development and management. This is particularly true as pressures on water resources intensify and the impacts of climate change increase. This report provides an overview of the biophysical characteristics, ecosystem services and links to livelihoods within the basin.
Tana River Basin Kenya
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Author : Hussain, Asghar
language : en
Publisher: IWMI
Release Date : 2016-12-05
Tana River Basin Kenya written by Hussain, Asghar and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-12-05 with categories.
Survey Of The Irrigation Potential Of The Lower Tana River Basin
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher:
Release Date : 1968
Survey Of The Irrigation Potential Of The Lower Tana River Basin written by Food and Agriculture Organization of the United Nations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Irrigation categories.
Quantifying The Services Of Natural And Built Infrastructure In The Context Of Climate Change
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Author : McCartney, Matthew
language : en
Publisher: International Water Management Institute (IWMI)
Release Date : 2019-05-13
Quantifying The Services Of Natural And Built Infrastructure In The Context Of Climate Change written by McCartney, Matthew and has been published by International Water Management Institute (IWMI) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-13 with categories.
Simulation And Optimization Analysis Of The Water Resources Of The Tana River Basin In Kenya
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Author : Robert Jozef Verhaeghe
language : en
Publisher:
Release Date : 1989
Simulation And Optimization Analysis Of The Water Resources Of The Tana River Basin In Kenya written by Robert Jozef Verhaeghe and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Stream measurements categories.
Joint Atmospheric Terrestrial Water Balance For The Tana River Basin Of Kenya East Africa By Coupled Atmospheric Hydrological Modeling
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Author : Noah Misati Kerandi
language : en
Publisher:
Release Date : 2017
Joint Atmospheric Terrestrial Water Balance For The Tana River Basin Of Kenya East Africa By Coupled Atmospheric Hydrological Modeling written by Noah Misati Kerandi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Soil Loss And Sediment Yield In A Tropical Agricultural Catchment
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Author : Helen Marie Schneider
language : en
Publisher:
Release Date : 1993
Soil Loss And Sediment Yield In A Tropical Agricultural Catchment written by Helen Marie Schneider and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Sedimentary basins categories.
Kenya A Natural Outlook
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Author : Dorothy Wanja Nyingi
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-10-22
Kenya A Natural Outlook written by Dorothy Wanja Nyingi and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Science categories.
Freshwater ecosystems of Kenya are the lifeline of economic and social development; however, most of these are threatened or on the verge of collapse. The need to maintain them in their natural condition, reduce disturbance and conserve their biodiversity has been stressed in the face of severe drought, food insecurity and water stress conditions including inability to maintain constant hydroelectric power. However, without a clear picture of how many freshwater rivers, wetlands and lakes exist and their precise locality, size, sources and uses, it would be impossible for the authorities charged with their protection to put in place management or mitigation measures. Highland freshwater ecosystems of Kenya include Mount Kenya, Aberdares, Mau Forest, Mount Elgon and Cherangani Hills, which are referred to Kenya's water towers since they jointly supply most of the freshwater resources of the country. They are fragile ecosystems with streams flowing through montane forest belts and are critical reservoirs of biodiversity. They are characterized by high rainfall; steep slopes and erodible soils induce severe surface runoff, soil erosion and landslides. Sediments from erosion cause pollution of water in the streams. In countries with limited resources such as Kenya only small portions of rivers can be effectively conserved. It is imperative that significant effort is targeted at the upper reaches, because any conservation effort in the lower reaches of the river are easily negated by upstream disturbances. Their importance is primarily due to their ability to store and distribute water to lowlands and for ground water recharge. For example, 90% of dry season flow of the Northern Ewaso Ng'iro River is derived from the Mount Kenya. Montane areas in Kenya are also often associated with sacred sites and areas of cultural and social importance to the communities around them. Kenya's highland ecosystems face great anthropogenic threats due to deforestation and agricultural pressure. These areas have been ideal for tea and coffee plantations and human settlements. The Mau Forest, which is the largest indigenous forest in Kenya, has had vast areas cleared for settlements by immigrants, which in turn has caused reduction of flows of the Sondu Miriu River, which is dammed downstream for hydroelectric power. Even though sections of the Aberdares and Mount Kenya occur in protected areas, the lack of management and inability to patrol large areas has had led to various conflicts over land and water uses. Lowland freshwater ecosystems include those occurring on the lower sections of the eastwards-flowing rivers of Kenya including Rivers Tana, Athi, Northern Ewaso Ng'iro and the Ramisi. These are areas of low altitude and the rivers are slow moving and characterized by high sediment load, which is rich in nutrients and important for agriculture along the banks of these rivers. However, reductions and changes in flow regimes in the lowlands are more recently becoming a reason for concern. In the Tana River Delta, a large number of communities and biodiversity rely on the water for agriculture, pastoralism, fishing and other socioeconomic uses related to ecosystem services. The two main factors affecting river flows in lowlands are water abstractions and land-use change and intensification, both related to growing human populations. Climate change poses a further complication to both highland and lowland ecosystems due to changes in rainfall patterns reducing not only river flows but also the high rainfall events that cause unprecedented floods.
Research Anthology On Artificial Neural Network Applications
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Author : Management Association, Information Resources
language : en
Publisher: IGI Global
Release Date : 2021-07-16
Research Anthology On Artificial Neural Network Applications written by Management Association, Information Resources and has been published by IGI Global this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-16 with Computers categories.
Artificial neural networks (ANNs) present many benefits in analyzing complex data in a proficient manner. As an effective and efficient problem-solving method, ANNs are incredibly useful in many different fields. From education to medicine and banking to engineering, artificial neural networks are a growing phenomenon as more realize the plethora of uses and benefits they provide. Due to their complexity, it is vital for researchers to understand ANN capabilities in various fields. The Research Anthology on Artificial Neural Network Applications covers critical topics related to artificial neural networks and their multitude of applications in a number of diverse areas including medicine, finance, operations research, business, social media, security, and more. Covering everything from the applications and uses of artificial neural networks to deep learning and non-linear problems, this book is ideal for computer scientists, IT specialists, data scientists, technologists, business owners, engineers, government agencies, researchers, academicians, and students, as well as anyone who is interested in learning more about how artificial neural networks can be used across a wide range of fields.
Spatio Temporal Drought Characterization And Forecasting Using Indices And Artificial Neural Networks A Case Of The Upper Tana River Basin Kenya
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Author : Raphael Muli Wambua
language : en
Publisher: GRIN Verlag
Release Date : 2019-04-08
Spatio Temporal Drought Characterization And Forecasting Using Indices And Artificial Neural Networks A Case Of The Upper Tana River Basin Kenya written by Raphael Muli Wambua and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-04-08 with Technology & Engineering categories.
Doctoral Thesis / Dissertation from the year 2016 in the subject Engineering - Civil Engineering, grade: 80.0, Egerton University, course: AGRICULTURAL ENGINEERING, language: English, abstract: Drought is a critical stochastic natural disaster that adversely affects water resources, ecosystems and people. Drought is a condition characterized by scarcity of precipitation and/or water quantity that negatively affects the global, regional and local land-scales. At both global and regional scales, drought frequency and severity have been increasing leading to direct and indirect decline in water resources. Increase in drought severity and frequency in the upper Tana River basin, Kenya, water resources systems have been adversely affected. Timely detection and forecasting of drought is crucial in planning and management of water resources. The main objective of this research was to formulate the most appropriate models for assessment and forecasting of drought using Indices and Artificial Neural Networks (ANNs) for the basin. Hydro-meteorlogical data for the period 1970-2010 at sixteen hydrometric stations was used to test the performance of the indices in forecasting of the future drought at 1, 3, 6, 9, 12, 18 and 24-months lead times, by constructing ANN models with different time delays. Drought conditions at monthly temporal resolution were evaluated using selected drought indices. The occurrence of drought was investigated using non-parametric Man-kendall trend test. Spatial distribution of drought severity was determined using Kriging interpolation techinique. In addition, a standard Nonlinear-Integrated Drought Index (NDI), for drought forecasting in the basin was developed using hydro-meteoroogical data for the river basin. The results of spaial drought show that the south-eastern parts of the basin are more prone to drought risks than the north-western areas. The Mann-Kendall trend test indicates an increasing drought trend in the south-eastern and no trend in north-western areas of the basin. Development of Surface Water Supply Index (SWSI) function, NDI and characteristic curves defining the return period and the probability of different drought magnitudes based on Drought Indices (DIs) was achieved. Drought Severity-Duration-Frequency (SDF) curves were developed. The formulated NDI tool can be adopted for a synchronized assessment and forecasting of all the three operational drought types in the basin. The results can be used in assisting water resources managers for timely detection and forecasting of drought conditions in prioritized planning of drought preparedness and early warning systems.