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de Groot, Hugo (author)The salinity profile in a coastal sea-river system is the result of balancing of salt transport due to mixing of the water by tides and the freshwater discharge from the river. When for example during times of drought freshwater discharge suddenly declines, the salinity in the river may increase significantly and threaten drinking water supplies...bachelor thesis 2023
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- Speelman, Ruben (author), van Kessel, Bart (author), Kockelkorn, Tycho (author), Wierikx, Thomas (author) student report 2021
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Knoester, Ferdi (author)Estuaries are dynamic partially enclosed water bodies that are constantly or periodically influenced by the ocean and at least occasionally impacted by river discharge. This creates unique but fragile ecosystems that have to be managed with care in order to be recreationally, economically and ecologically valuable. One of the management issues...master thesis 2020
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Donkers, Paul (author)The goal of this thesis is to create a theoreticalmodel that captures the influence of wind on the horizontal and vertical salinity distribution in an estuary, as well as the dynamics that arise within the estuary. A secondary, numerical model, that uses fewer assumptions, will be developed and analysed. This serves to determine whether the...master thesis 2020
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Zuñiga Blanco, M.J. (author)The city of Puntarenas in Costa Rica is one of the many examples along the country’s pacific coast, where settlements have developed and survived by the extraction/exploitation of marine resources and the chain of industries that follow. Currently, these coastal communities are being affected by an amount of socio-economical issues, some...master thesis 2020
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van Gijzen, Laurie (author)Introduction <br/>San Francisco Bay is one of the largest estuaries of the US Pacific Coast with an area of 4000 km2. It consists of two hydrologically distinctive sub-embayments North Bay and South Bay. South Bay is unique as it does not experience the freshwater flushing typical for estuaries. It experiences the largest freshwater input during...master thesis 2020
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Deckers, Daan (author), van Dijk, Mathijs (author), Grund, Mitchel (author), Hendrickx, Gijs (author), de Koning, René (author), Smit, Niels (author)This report contains the conceptual lay-out for two possible expansions of the port of Bahía Blanca. To determine the best conceptual lay-outs, emphasis is drawn to understand the physical system to determine the effect of the expansion of the port on the natural system. The port of Bahía Blanca is situated at the end of a ria, or tidal basin....student report 2018
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Muhammad Adib Sinto Baskoro, Adib (author)The upper reservoir intervals of the Lower Jurassic Åre Formation in the Heidrun Field (Offshore mid-Norway) are very heterolithic and have the lowest oil recovery factor of the field despite significant amounts of remaining reserves. One of these reservoir zones is the formation Åre 6.2, which is mainly composed of tide-dominated heterolithic...master thesis 2018
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van der Auweraert, Elwin (author)Trace metals appear in estuarine systems in two forms: dissolved and particulate. <br/>Describing the partitioning between these two forms is done by a coefficient, K_d, which relies on a number of environmental parameters, such as the salinity of the water and the seasonally dependent biological activity. Although this coefficient is known to...master thesis 2018
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Verheijen, Anne Hans (author)Intertidal flats and salt marshes can protect hinterland against wave energy and flooding by tides or storm surges. Thus, the development of tidal flats is important to foresee. The presence of specific small scale features could indicate a certain development and large scale morphological shape. The shape is a predictor for development and it...master thesis 2018
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Pubben, S.G.T. (author)Estuaries are complex systems that show a variety of hydrodynamic conditions. These conditions are influenced by bathymetry, geometry, climate characteristics, interacting fresh and salt water flows, and mixing effects caused by winds and wind-waves. The interaction between fresh and salt water flows in combination with mixing effects caused by...master thesis 2017
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De Vries, S. (author)Small blind estuaries are a common phenomenon on the coast of Nicaragua, but unfortunately not much is known on their hydrological characteristics. A blind estuary can be identified by a sandbar that temporarily closes the estuary from sea. These blind estuaries often have very diverse flora and fauna on which they play an important ecological...master thesis 2016
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Van Aarle, R.R.J. (author)This study is about the effect of outer-delta bottom topographies adaptations on salt water intrusion in estuaries. An increase in salt water intrusion is considered as problematic in a lot of estuaries in the world. Various solutions are developed in the past to reduce salt water intrusion. These solutions have also negative side effects. An...master thesis 2015
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Boers, W. (author)Aim of this graduation project is to improve the resilience of the Broad Channel Community against future storm surge. The design of the Broad Channel Resilience Center strengthens the community by adding social functions, educates and forms consensus for resilient living and serves a relief function after a storm surge.master thesis 2015
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Diederen, D. (author)Consider an estuary which is described by two governing equations for two variables, the water level 'zeta' and the velocity 'u'. Having two governing equations (Saint-Venant, 1871) is sufficient to perform time integration. The problem statement for a finite domain contains two boundary conditions and an initial condition. However, if the...master thesis 2015
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Dijkstra, Y.M. (author)The intrusion of sea water into estuaries creates a complex flow that results from the density difference between fresh river run-off and salty sea water. In combination with other processes, such as tides, these complex flows are of interest because they affect the transport of e.g. salt, sediments and nutrients in water, which determine the...master thesis 2014
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D' Hont, F.M. (author)The Slufter is an estuary located in Texel’s North Sea dunes and protects the hinterland from flooding from the North Sea. As the multi actor environment and the diversity of values and functions associated with the Slufter are recognized, this research focuses on developing an approach for the district water board to broaden the knowledge base...master thesis 2014
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Nijzink, R.C. (author)Dispersion is often hard to incorporate in analytical salt intrusion models. The analytical models of Savenije (1986) and Kuijper & Van Rijn (2011) are quite similar and use a predictive equation for the dispersion in the estuary mouth. The biggest difference between the two models is the Van der Burgh K for which Kuijper and Van Rijn stated...master thesis 2013
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Berghuijs, W.R. (author), Van Osnabrugge, B. (author)Recently, a promising method for measuring tidal slack using GPS receivers attached to buoys has been tested. The next step is to build a wireless GPS system which conducts measurements continuous and real-time. This research primarily focuses on the development of the hardware of that GPS system. Secondly it focuses on modeling the buoy...bachelor thesis 2012
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Valk, M. (author)In this paper I present a novel method to determine the time of occurrence of tidal slack with a GPS receiver mounted on an anchored buoy commonly used to delineate shipping lanes in estuaries and tidal channels. Slack tide occurs when the tide changes direction from ebb to flood flow, or from flood to ebb. The determination of this point in...master thesis 2012