Searched for: author%3A%22De+Vriend%2C+H.J.%22
(41 - 60 of 89)

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Chu, A. (author), Wang, Z.B. (author), De Vriend, H.J. (author), Stive, M.J.F. (author)
A process-based model for the Yangtze Estuary is constructed to study the sediment transport in the estuary. The proposed model covers the entire tidal region of the estuary, the Hangzhou Bay and a large part of the adjacent sea. The dominant processes, fluvial and tidal, are included in the model. The calibration of the model against extensive...
conference paper 2010
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Stive, M.J.F. (author), de Vriend, H.J. (author), Dronkers, J. (author), van Dongeren, A. (author), Wang, Z.B. (author)
lecture notes 2006
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de Vriend, H.J. (author), Havinga, H. (author), Visser, P.J. (author), Wang, Z.B. (author)
lecture notes 2006
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Blanckaert, K. (author), De Vriend, H.J. (author)
In spite of its importance, little is known about the turbulence characteristics in open-channel bends. This paper reports on an experimental investigation of turbulence in one cross section of an open-channel bend. Typical flow features are a bicellular pattern of cross-stream circulation (secondary flow) and a turbulence activity in the outer...
journal article 2005
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Marciano, R. (author), Wang, Z.B. (author), Hibma, A. (author), De Vriend, H.J. (author), Defina, A. (author)
We model branching channel patterns in short tidal basins with two methods. A theoretical stability analysis leads to a relationship between the number of channels and physical parameters of the tidal system. The analysis reveals that width and spacing of the channels should decrease as the slope of the bottom profile and the Shields parameter...
journal article 2005
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K. Blanckaert, K. (author), De Vriend, H.J. (author)
journal article 2005
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de Vriend, H.J. (author), Dronkers, J. (author), Stive, M.J.F. (author), van Dongeren, A. (author), Wang, Z.B. (author)
lecture notes 2005
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Blanckaert, K. (author), De Vriend, H.J. (author)
Secondary currents are a characteristic feature of flow in open-channel bends. Besides the classical helical motion (centre-region cell), a weaker and smaller counter-rotating circulation cell (outer-bank cell) is often observed near the outer bank, which is believed to play an important role in bank erosion processes. The mechanisms underlying...
journal article 2004
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Blackaert, K. (author), De Vriend, H.J. (author)
journal article 2004
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De Vriend, H.J. (author), Dronkers, J. (author), Stive, M.J.F. (author), Van Dongeren, A. (author), Wang, J.H. (author)
lecture note: Tidal inlets and their associated basins (lagoons) are a common feature of lowland coasts all around the world. A significant part ofthe world's coastlines is formed by barrier island coasts, and most other tidal coasts are interrupted by estuaries and lagoon inlets. These tidal systems play a crucial role in the sediment budget...
lecture notes 2002
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Wang, Z.B. (author), Jeuken, C. (author), De Vriend, H.J. (author)
Theoretical study on tidal asymmetry and application to the Westerschelde estuary.
report 1999
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De Vriend, H.J. (author)
lecture notes 1998
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De Vriend, H.J. (author)
public lecture 1997
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Sánchez-Arcilla, A. (author), Jímenez, J.A. (author), Pont, D. (author), Capobianco, M. (author), Prat, N. (author), Provansal, M. (author), Fraunié, P. (author), Ruol, P. (author), Abrami, G. (author), De Vriend, H.J. (author), Day, J.W. (author), Stive, M.J.F. (author), Jelgersma, S. (author), Pernetta, J. (author), Sestini, G. (author)
Summary report of the MedDelt project. This project has studied the impact of climate change on the deltas in the northwestern Mediterranean sea.
report 1997
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Stive, M.J.F. (author), De Vriend, H.J. (author)
The attention for climate change impact on the world's coastlines has established large scale coastal evolution as a topic of wide interest. Some more recent advances in this field, focusing on the potential of mathematical models for the prediction of large scale coastal evolution, are discussed. The key element in this discussion is reduction:...
conference paper 1995
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Stive, M.J.F. (author), De Vriend, H.J. (author)
Current knowledge of hydro-, sediment and morpho-dynamics in the shoreface environment is insufficient to undertake shoreface-profile evolution modelling on the basis of first physical principles. We propose a simple, panel-type model to map observed behaviour. The internal dynamics are determined by slope-dependent, wave-induced cross-shoreface...
journal article 1995
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Stive, M.J.F. (author), De Vriend, H.J. (author), Cowell Peter, J. (author), Niedoroda, A.W. (author)
conference paper 1995
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Stive, M.J.F. (author), De Vriend, H.J. (author)
journal article 1995
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Stive, M.J.F. (author), De Vriend, H.J. (author)
As part of a revision of the quasi-3D approach for coastal currents, the two-dimensional undertow problem is being restudied. Since the first proposal for approaches in the 1980's progress has been made by several researchers (e.g. Deigaard and Fredsoe, 1989) on the potential importance of contributions neglected initially, such as the time-mean...
conference paper 1994
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Stive, M.J.F. (author), De Vriend, H.J. (author)
We investigate the vertical, wave averaged distributions of shear stresses and Eulerian flow in normally incident, shoaling and breaking waves. It is found that shear stresses are solely due to wave amplitude variations, which can be caused by shoaling, boundary layer dissipation and/or breaking wave dissipation. The resulting shear stress and...
conference paper 1994
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