Searched for: subject%3A%22salt%255C+intrusion%22
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den Haan, Robert-Jan (author), Biemond, Bouke (author), Baart, F. (author)
Salt intrusion is a growing problem in many deltas around the world. During periods with low river discharges, salinity upstream in a delta increases and affects freshwater availability, ecology, and other delta functions. For example, in the Rhine-Meuse estuary (the Netherlands), brackish water can reach drinking water intakes about 40 km from...
abstract 2024
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van Asselt, Jasper (author), Bervoets, Hannah (author), Bloem, Celine (author), Kindermann, Vincent (author), Koopman, Ruben (author), Zwaan, Linde (author)
The Mekong Delta in Vietnam is facing several challenges as a result of climate change. Among others, the effects include an increase in river discharge during the wet season, leading to river floods, and a decrease in river discharge during the dry season. The decrease in discharge results in a shortage of fresh water required for irrigation...
student report 2023
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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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Hunter, Conor (author)
This research study has investigated the effects of sills as a nature-based countermeasure to reduce saltwater intrusion within Rijnmond Drechtsteden. The effects of this measure have been assessed regarding its impact on port logistics and freshwater supply in the region. The heavily dredged New Waterway provides the vital open connection to...
bachelor thesis 2023
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Hendrickx, G.G. (author), Kranenburg, W.M. (author), Antolínez, José A. Á. (author), Huismans, Y. (author), Aarninkhof, S.G.J. (author), Herman, P.M.J. (author)
Estuaries are among the most densely populated and heavily utilised regions in the world, where crucial functions – e.g., freshwater availability and water safety – strongly relate to the natural dynamics of the system. When developing nature-based solutions to safeguard these essential functions, a thorough understanding of estuarine...
journal article 2023
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Kranenburg, W.M. (author), Tiessen, Meinard (author), Blaas, Meinte (author), Van Veen, Nathalie (author)
Around the world, estuaries have been partially or completely closed-off from the sea and their number may increase with rising sea levels. Concurrently, there is a trend to reintroduce seawater inflow into enclosed former estuaries for ecosystem improvement. This is also the case in the Haringvliet, a former estuary in the Rhine-Meuse Delta,...
journal article 2023
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Iglesias, Sebastian (author)
Nature-based initiatives have emerged as potential solutions to problems caused by saltwater intrusion in deltas found globally, but their successful implementation is enabled partly by a multi-stakeholder approach. The latter involves managing several parallel stakeholder objectives, which usually requires quantitative knowledge to understand...
master thesis 2022
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De Fockert, Anton (author), O'Mahoney, Tom S.D. (author), Nogueira, Helena I.S. (author), Oldenziel, G. (author), Bijlsma, Arnout C. (author), Janssen, Hans (author)
Salt water intrusion through the New Sea Lock of IJmuiden, Netherlands requires mitigation to ensure availability of enough fresh water further inland. For this purpose, a salt screen has been proposed for selective withdrawal of salt water from the Noordzeekanaal in the vicinity of the lock complex. Formulas to assess the withdrawal rate of...
journal article 2022
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Dijkstra, Y.M. (author), Schuttelaars, H.M. (author), Kranenburg, W.M. (author)
Tidally averaged transport of salt in estuaries is controlled by various subtidal and tidal processes. In this study, we show the relative importance of various subtidal and tidal transport processes in a width-averaged sense. This is done for a large range of forcing and geometric parameters, which describe well-mixed to salt wedge estuaries...
journal article 2022
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Payo-Payo, Marta (author), Bricheno, Lucy M. (author), Dijkstra, Y.M. (author), Cheng, Weicong (author), Gong, Wenping (author), Amoudry, Laurent O. (author)
Salt intrusion in surface waters endangers freshwater availability, influences water quality, and affects estuarine ecosystem services with high economic and social values. Salt transport and the resulting salinity distributions result from the non-linear interactions between salt and water dynamics. Estuaries are often considered under ...
journal article 2022
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Zhou, Z. (author)
Estuaries are partially enclosed water bodies where river water mixes with sea water. Estuaries provide important ecological functions which are strongly regulated by estuarine hydrodynamics and sediment dynamics, and also by human interventions. Sustainable management of such systems therefore requires a thorough understanding of the interplay...
doctoral thesis 2021
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Blom, Jelle (author)
Two current assumptions of the Zeesluisformulering (ZSF) regarding a homogeneous lock density and instantaneous shipping are tested against refined descriptions according to literature: a stratified lock density and shipping according the continuity approach. These are implemented into a conceptual model constructed in Python, after which...
master thesis 2021
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ten Harmsen van der Beek, Noor (author)
Salt intrusion poses a threat to the fresh water supply function of inland waterways. How far inland salt intrusion reaches is dependent on a balance of buoyancy forcing, water depth, discharge of the canal and the amount of mixing. Wind, bottom roughness, and sailing ships contribute to mixing. Currently, little is known about the contribution...
master thesis 2021
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Binsma, Jouke (author)
Key points:- Pre-closure salinity intrusion into Haringvliet-Hollands Diep is known to have reached Biesbosch National Park at flood tide. Post-Delta21 salinity intrusion is projected to be less extensive than pre-closure. Maximum intrusion is estimated to reach the westernmost Moerdijk ports mainly due to diminished tidal...
master thesis 2021
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van der Scheer, Bor (author)
Due to climate change, temperatures are rising worldwide resulting in sea level rise, higher evaporation and possible changes in precipitation patterns. These effects of climate change influence salt intrusion, particularly by affecting the freshwater supply. In The Gambia also a planned hydropower dam and possibly future irrigation development...
master thesis 2021
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Wegman, Tess (author)
Due to climate change and human interventions, saltwater intrusion is becoming a topic of increasing concern worldwide. Salt water intrudes into the Rotterdam Waterway (RWW) by an exchange flow, where the denser sea water propagates landwards at the bottom. The main competing mechanism for this stratified exchange flow is...
master thesis 2021
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Zhu, C. (author), van Maren, D.S. (author), Guo, Leicheng (author), Lin, J. (author), He, Qing (author), Wang, Zhengbing (author)
An estuarine turbidity maximum (ETM) is a region of elevated suspended sediment concentration (SSC) resulting from residual transport mechanisms driven by river flow, tides, and salinity-induced density gradients (SalDG). However, in energetic and highly turbid environments such as the Yangtze Estuary, SedDG may also substantially contribute...
journal article 2021
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Feng, Kesong (author)
Salt intrusion through sea locks causes the mixing of fresh and salt water due to a gravity current. This process may occur gradually over tens of kilometers and affects the required quality of the inland water. A bubble screen alongside the locks is one of the available mitigating measures for this undesired phenomenon. However, current...
master thesis 2019
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Wei, X. (author), Kumar, M. (author), Schuttelaars, H.M. (author)
To investigate the dominant sediment transport and trapping mechanisms, a semi-analytical three-dimensional model is developed resolving the dynamic effects of salt intrusion on sediment in well-mixed estuaries in morphodynamic equilibrium. As a study case, a schematized estuary with a converging width and a channel-shoal structure...
journal article 2018
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Daniëls, J. (author)
An estuary forms the transition between the ocean/sea and a river. Within its boundaries salt and fresh water mix. Fresh water intake points may be located within the reach of salt intrusion. In order to justify political and managerial decisions it is thus necessary to understand and be able to predict the process of salt intrusion in estuaries...
master thesis 2016
Searched for: subject%3A%22salt%255C+intrusion%22
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