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Alvarez Mieles, M.G. (author)
Wetlands are among the most productive environments in the world. Around 6% of the Earth's land surface is covered by wetlands, which are key to preserving biodiversity. Wetlands provide multiple services like a source for water supply and a shelter for numerous species of fauna and flora. Wetlands are therefore of immense socio-economic as well...
doctoral thesis 2019
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Musa, Z.N. (author)
Accelerated sea level rise (SLR) is the most important climate change impact for coastal areas. However many coastal deltas lack necessary data for evaluation of the vulnerabilities. The Niger delta is one of the coastal areas with little data for coastal planning and management. <br/>Use of satellite data helps bridge the data gap by providing...
doctoral thesis 2018
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Wang, C. (author)
The Ning-Meng reach of the Yellow River basin is located in the Inner Mongolia region at the Northern part of the Yellow River. Due to the special geographical conditions, the river flow direction is towards the North causing the Ning-Meng reach to freeze up every year in wintertime. Both during the freeze-up and break-up period, unfavourable...
doctoral thesis 2017
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Narrain, P.A.G. (author)
The role of small hydropower is becoming increasingly important on a global level. Increasing energy demand and environmental awareness has further triggered research and development into sustainable low cost technologies. In developing countries, particularly in rural areas, local power generation could considerably improve living conditions....
doctoral thesis 2017
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Meesuk, V. (author)
Modelling urban flood dynamics requires proper handling of a number of complex urban features. Although high-resolution topographic data can nowadays be obtained from aerial LiDAR surveys, such top-view LiDAR data still have difficulties to represent some key components of urban features. Incorrectly representing features like underpasses...
doctoral thesis 2017
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Minaya, Veronica (author)
In the Andes mountainous region of South America grasslands known as páramos provide important ecosystem services like sustaining biodiversity, securing carbon sequestration and providing water storage. However, many páramos regions are subject to land use change due to expanding agriculture, intensified grazing and land burning. These are...
doctoral thesis 2016
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Rogelis Prada, M.C. (author)
Flood early warning systems are recognized as one of the most effective flood risk management instruments when correctly embedded in comprehensive flood risk management strategies and policies. Many efforts around the world are being put in place to advance the components that determine the effectiveness of a flood early warning system. The aim...
doctoral thesis 2016
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Mwelwa-Mutekenya-Mwelwa, E. (author)
The Middle Zambezi, host to a rich biodiversity, is located in the central part of the Zambezi River Basin which covers eight Southern African Countries. The area is located downstream of three hydropower schemes. In the last decades, the floodplain riparian tree, the Faidherbia albida, vital for the local wild life, has shown a worrying...
doctoral thesis 2016
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Simanjuntak, Y. (author)
Pressure tunnels for hydropower plants are relatively expensive constructions, particularly when steel linings are used. Concrete linings can be economically attractive; however, their applicability is limited by the low tensile strength of concrete. Techniques to improve the bearing capacity of concrete tunnel linings have become one of the...
doctoral thesis 2015
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Ali, Y.S.A. (author)
Population growth in the Blue Nile Basin has led to fast land-use changes from forest to agricultural land, which resulted in speeding up the soil erosion processes producing highly negative impacts on the local soil fertility and agricultural productivity. The eroded sediment is transported downstream by water and sinks in the lower basin where...
doctoral thesis 2014
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Lin, Y. (author)
doctoral thesis 2014
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Zhu, X. (author)
Computer graphics and scientific visualization are fields of computational science that have evolved rapidly over the past decades. Scientific visualization has become an important technology in serious gaming and science-based decision support. Water management is a complex process dealing with a wide range of, often conflicting, considerations...
doctoral thesis 2013
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Hoang, N.K.L. (author)
The riparian zone, the interface between terrestrial and aquatic ecosystems, plays an important role in nitrogen removal in spite of the minor proportion of the land area that it covers. This is verified in a large number of studies related to the effect of wetlands/riparian zones on the discharge of nutrients. The nitrogen removal in riparian...
doctoral thesis 2013
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Ebrahim, G.Y. (author)
Groundwater is one of the most important natural resources. It is the principal source of drinking water in rural and many urban cities, and widely used for irrigation in most arid and semi-arid countries. However, recently it has become apparent that many human activities are negatively impacting both the quantity and quality of groundwater...
doctoral thesis 2013
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Li, S. (author)
The Yellow River is known as the ‘mother river’ of the Chinese people, but is also said to be ‘China's Sorrow’ or the ‘Scourge of the Sons of Han’, because in history multiple major floods have had catastrophic effects on people and land along the 5000 km long river reaching from the Himalaya’s to the Bohai Sea. Three sections can be...
doctoral thesis 2013
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Arias Hidalgo, M.E. (author)
Traditionally, wetlands were considered separately from river basin systems. However, nowadays an integrated approach is becoming common practice in wetland-riverine watershed analysis and management. Such overall wetland management approach implies not only an adequate representation of relevant bio-physical parameters, but also of socio...
doctoral thesis 2012
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Velez Quintero, C.A. (author)
In this research a considerable amount of scientific evidence had been collected which leads to the conclusion that the urban wastewater components should be designed as one integrated system, if the protection of the receiving waters is to be achieved cost-effectively. Even more, there is a need to optimize the design and operation of the...
doctoral thesis 2012
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Balica, S.F. (author)
Floods are one of the most common and widely distributed natural risks to life and property worldwide. An important part of modern flood risk management is to evaluate vulnerability to floods. This evaluation can be done only by using a parametric approach. Worldwide there is a need to enhance our understanding of vulnerability and to also...
doctoral thesis 2012
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Penning, W.E. (author)
doctoral thesis 2012
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Li, H. (author)
In this thesis, several modelling approaches are explored to represent spatial pattern dynamics of aquatic populations in aquatic ecosystems by the combination of models, knowledge and data in different scales. It is shown that including spatially distributed inputs retrieved from Remote Sensing images, a conventional physically-based Harmful...
doctoral thesis 2009
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