Jelmer Cleveringa- Doctor of Philosophy
- senior consultant coastal morphology at Arcadis
Jelmer Cleveringa
- Doctor of Philosophy
- senior consultant coastal morphology at Arcadis
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30
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Publications (30)
In the Western Scheldt estuary, like in many estuaries, safe navigation, flood protection, and ecological targets require a balanced and sustainable sediment management. A thorough understanding of the morphodynamic functioning of the estuary and its response to changes in hydrodynamics (natural sediment transport) and large-scale interventions is...
This document aims to establish a common understanding on the role of sediment in achieving the objectives of the Water Framework Directive, and to provide guidance on how to address pressures on sediment quantity and sediment contamination, in the context of the River Basin Management Plans, and also other policies’ planning instruments. It covers...
Estuarine landscapes form through interactions between fluvio-coastal processes and ecological processes within the boundaries imposed by hard substrate layers and man-made dikes and dams. As estuaries are ecologically valuable areas, monitoring and quantification of trends in habitats is needed for objective comparison and management. However, dat...
Constructed salt marshes as a Nature-Based Solution for coastal defense offer additional benefits over conventional engineering, but project realization is often hampered by practical and governmental obstacles. We assessed the execution of a local-scale salt marsh construction project as a Nature-Based Solution (NBS) with respect to the regional-s...
Shipping fairways in estuaries are continuously dredged to maintain access for large vessels to major ports. However, several estuaries worldwide show adverse side effects to dredging activities, in particular affecting morphology and ecologically valuable habitats. We used physical scale experiments, field assessments of the Western Scheldt estuar...
The Sittaung Estuary in Myanmar is the northern boundary of the Gulf of Mottama, where the outflow of the Sittaung river interacts with the tides in the Gulf of Mottama. The banks of this estuary experience cycles of extreme erosion rates, of up to 1.6 km/y, which forces local communities to abandon their villages and farms, while elsewhere in the...
Ameland inlet is centrally located in the chain of West Frisian Islands (the Netherlands). A globally unique dataset of detailed bathymetric charts starting in the early 19th century, and high-resolution digital data since 1986 allows for detailed investigations of the ebb-tidal delta morphodynamics and sediment bypassing over a wide range of scale...
Shipping fairways in estuaries are continuously dredged to maintain access for large vessels to major ports. However, several estuaries worldwide show adverse side effects to dredging activities, including a shift from multi-channel systems to single-channel systems and the loss of ecologically valuable intertidal flats. We used a time series of ba...
We test an innovative approach to beneficially re-use dredged sediment to enhance salt marsh development. A Mud Motor is a dredged sediment disposal in the form of a semi-continuous source of mud in a shallow tidal channel allowing natural processes to disperse the sediment to nearby mudflats and salt marshes. We describe the various steps in the d...
Op verschillende plekken in de Waddenzee is onder de laagwaterlijn hard substraat aanwezig in de vorm van bestortingen met stortsteen, basaltblokken en staalslakken. Bestortingen worden op de vooroever van waterkeringen aangebracht om erosie aan de teen te voorkomen of te beperken en om de stabiliteit te garanderen. Onderwater bestortingen worden o...
This paper summarizes results of the 2011-2013 research programme on the physical characteristics of the Scheldt estuary in relation with estuary management. The program is executed jointly by scientists and consultants from The Netherlands and Flanders. The paper elaborates the relation between the morphology of the estuary and the development of...
More and more intertidal mud- and sandflats and saltmarshes are being restored to improve the quality and increase of the surface area of estuarine habitats. Because hydrodynamic and morphological processes control the ecology of intertidal flats and saltmarshes, a thorough understanding of the interaction
between these processes is required, and d...
The coast of the western part of The Netherlands changed from a transgressive, tide-dominated system, characterised by tidal inlets and tidal basins, into a prograding barrier coast, between 5500 BP and 3200 BP.
Ypenburg, SW of The Hague, is situated on the seaward boundary of a transgressive tidal basin which evolved from a predominantly subtidal...
In this paper, we review and analyze the cyclic morphodynamics and sand-bypassing processes at the Ameland Inlet, The Netherlands. The inlet is located between the islands of Terschelling and Ameland in the Dutch Wadden Sea. The bypassing rate and sand storage have a periodicity of 50 to 60 years in connection with the migration of the channels in...
This paper summarizes results of the 2011-2013 research programme on the physical characteristics of the Scheldt estuary in relation with estuary management. The program is executed jointly by scientists and consultants from The Netherlands and Flanders. The paper elaborates the relation between the morphology of the estuary and the development of...
Texel inlet, the largest inlet in the Dutch Wadden Sea, has undergone drastic changes in the morphology of basin, ebb-tidal delta and adjacent coastlines after closure of a major part of its back-barrier basin. Despite intensive monitoring and analysis, present observation-based conceptual models lack the subtle physics necessary to explain the san...
The grain-size distributions and sedimentary structures from four undisturbed cores from the seaward edge of prograded Holocene coastal deposits from the western Netherlands have been analysed. In all cores a comparable sequence is found. All shoreface deposits are characterised by the occurrence of thick amalgamated storm beds. Lower shoreface dep...
The coastal-tract approach to coastal morphodynamics, described in the companion paper (The Coastal-Tract Part 1), provides a framework for aggregation of process and spatial dimensions in modeling low-order coastal change (i.e., evolution of the shoreline, continental shelf and coastal plain on time scales of 102 to 103 years). Behavior-oriented,...
A previous study on the basis of long-range side-scan sonar data (Kenyon et al., 1995. Geometry of the younger sediment bodies of the Indus Fan. In: Pickering, K.T., Hiscott, R.N., Kenyon, N.H., Ricci Lucchi, F., Smith, R.D.A. (Eds.), Atlas of deep water environments: architectural style in turbidite systems. Chapman and Hall, London, pp. 89–93.) r...
Large-scale coastal evolution in the western Netherlands during the Holocene was characterised by an initial stage of transgression followed by a stage of coastal progradation. The last 2000 years, the position of coastline of the western Netherlands was relatively stable, with local retreat and advance. Coastal deposits from the western Netherland...
During 1997 and 1998, we conducted ground-penetrating-radar (GPR) surveys at four locations in the dunes that fringe the Dutch coastline. We collected data at frequencies ranging from 50 MHz to 900 MHz to assess the applicability of GPR in the Dutch coastal environment, to determine large-scale orientations of coastal sedimentary units, and to iden...
Horton's hierarchical and fractal analysis of channel circumference reveals that tidal-channel systems in the Dutch Wadden Sea have similar branching patterns. Channel systems have the same characteristics as three- to four-times branching networks. The branch lengths of these channels decrease logarithmically. The channel systems can be regarded a...
The Netherlands are managing their sandy frontyard. A necessity, with a country that is for 2/3 below sea-level and with pressure on space constantly growing (for living, working, nature, recreation). The paper discusses coastal characteristics as well as coastal policy and management to realise sustainable safety. It can be concluded that, as resu...
