Search results for: S. Temmerman

Items from 1 to 20 out of 22 results

article

Soil organic carbon stocks in a tidal marsh landscape are dominated by human marsh embankment and subsequent marsh progradation

M. Van de Broek, L. Baert, S. Temmerman, G. Govers

European Journal of Soil Science > 70 > 2 > 338 - 349

Tidal marshes are coastal and estuarine ecosystems that store large amounts of sedimentary organic carbon (OC). Despite the valuable ecosystem services they deliver, tidal marshes have been converted to other land‐use types over the past centuries. Although previous studies have reported large decreases in soil organic carbon (SOC) stocks after tidal marsh embankment, knowledge on the magnitude and...

article

Contribution of Mangroves and Salt Marshes to Nature-Based Mitigation of Coastal Flood Risks in Major Deltas of the World

Rebecca Van Coppenolle, C. Schwarz, S. Temmerman

Estuaries and Coasts > 2018 > 41 > 6 > 1699-1711

Nature-based solutions are rapidly gaining interest in the face of global change and increasing flood risks. While assessments of flood risk mitigation by coastal ecosystems are mainly restricted to local scales, our study assesses the contribution of salt marshes and mangroves to nature-based storm surge mitigation in 11 large deltas around the world. We present a relatively simple GIS model that,...

article

What is a macrophyte patch? Patch identification in aquatic ecosystems and guidelines for consistent delineation

J. Schoelynck, S. Creelle, K. Buis, T. De Mulder, more

International Journal of Ecohydrology and Hydrobiology > 2018 > 18 > 1

article

Impact of intertidal area characteristics on estuarine tidal hydrodynamics: A modelling study for the Scheldt Estuary

J. Stark, S. Smolders, P. Meire, S. Temmerman

Estuarine, Coastal and Shelf Science > 2017 > 198 > PA > 138-155

Marsh restoration projects are nowadays being implemented as ecosystem-based strategies to reduce flood risks and to restore intertidal habitat along estuaries. Changes in estuarine tidal hydrodynamics are expected along with such intertidal area changes. A validated hydrodynamic model of the Scheldt Estuary is used to gain fundamental insights in the role of intertidal area characteristics on tidal...

article

Field estimates of floc dynamics and settling velocities in a tidal creek with significant along-channel gradients in velocity and SPM

C. Schwarz, T. Cox, T. van Engeland, D. van Oevelen, more

Estuarine, Coastal and Shelf Science > 2017 > 197 > C > 221-235

A short-term intensive measurement campaign focused on flow, turbulence, suspended particle concentration, floc dynamics and settling velocities were carried out in a brackish intertidal creek draining into the main channel of the Scheldt estuary. We compare in situ estimates of settling velocities between a laser diffraction (LISST) and an acoustic Doppler technique (ADV) at 20 and 40 cm above bottom...

article

Changing tidal hydrodynamics during different stages of eco-geomorphological development of a tidal marsh: A numerical modeling study

J. Stark, P. Meire, S. Temmerman

Estuarine, Coastal and Shelf Science > 2017 > 188 > C > 56-68

The eco-geomorphological development of tidal marshes, from initially low-elevated bare tidal flats up to a high-elevated marsh and its typical network of channels and creeks, induces long-term changes in tidal hydrodynamics in a marsh, which will have feedback effects on the marsh development. We use a two-dimensional hydrodynamic model of the Saeftinghe marsh (Netherlands) to study tidal hydrodynamics,...

article

Short‐term mudflat dynamics drive long‐term cyclic salt marsh dynamics

T. J. Bouma, J. van Belzen, T. Balke, J. van Dalen, more

Limnology and Oceanography > 61 > 6 > 2261 - 2275

Our study aims to enhance process understanding of the long‐term (decadal and longer) cyclic marsh dynamics by identifying the mechanisms that translate large‐scale physical forcing in the system into vegetation change, in particular (i) the initiation of lateral erosion on an expanding marsh, and (ii) the control of seedling establishment in front of an eroding marsh‐cliff. Short‐term sediment dynamics...

article

Interactions between plant traits and sediment characteristics influencing species establishment and scale-dependent feedbacks in salt marsh ecosystems

C. Schwarz, T.J. Bouma, L.Q. Zhang, S. Temmerman, more

Geomorphology > 2015 > 250 > C > 298-307

The importance of ecosystem engineering and biogeomorphic processes in shaping many aquatic and semi-aquatic landscapes is increasingly acknowledged. Ecosystem engineering and biogeomorphic landscape formation involves two critical processes: (1) species establishment, and (2) scale-dependent feedbacks, meaning that organisms improve their living conditions on a local scale but at the same time worsen...

article

Landscape-scale flow patterns over a vegetated tidal marsh and an unvegetated tidal flat: Implications for the landform properties of the intertidal floodplain

W. Vandenbruwaene, C. Schwarz, T.J. Bouma, P. Meire, more

Geomorphology > 2015 > 231 > Complete > 40-52

Vegetation is increasingly recognized as an important control on flow and landform patterns in many landscape types. Field studies on the landscape-scale effect of vegetation in fluvial and tidal floodplains are relatively scarce while insights are especially based on flume and numerical models. Large-scale flow patterns and landforms were measured on a vegetated tidal marsh and unvegetated tidal...

article

Measuring sedimentation in tidal marshes: a review on methods and their applicability in biogeomorphological studies

S. Nolte, E. C. Koppenaal, P. Esselink, K. S. Dijkema, more

Journal of Coastal Conservation > 2013 > 17 > 3 > 301-325

It is increasingly recognised that interactions between geomorphological and biotic processes control the functioning of many ecosystem types as described e.g. by the ecological theory of ecosystem engineering. Consequently, the need for specific bio-geomorphological research methods is growing recently. Much research on bio-geomorphological processes is done in coastal marshes. These areas provide...

article

Organism traits determine the strength of scale-dependent bio-geomorphic feedbacks: A flume study on three intertidal plant species

T.J. Bouma, S. Temmerman, L.A. van Duren, E. Martini, more

Geomorphology > 2013 > 180-181 > Complete > 57-65

There is a growing recognition of the important role of scale-dependent feedback for biogeomorphological landscape formation, where organisms locally improve survival and growth but at the same time negatively affect organisms at larger distance. However, little is known on how scale-dependent bio-geomorphic feedback is influenced by organism traits in combination with abiotic forcing. This was studied...

article

Formation and evolution of a tidal channel network within a constructed tidal marsh

W. Vandenbruwaene, P. Meire, S. Temmerman

Geomorphology > 2012 > 151-152 > Complete > 114-125

The morphogenesis of tidal channel networks that dissect intertidal flats and marshes has been studied especially by morphodynamic modeling, while relatively few empirical data exist on high-resolution field observations. Here we measured the spontaneous formation and evolution of a tidal channel network in a newly constructed tidal marsh (Scheldt estuary, Belgium) over a period of 4years, by high-accuracy...

article

The distribution of soil testate amoebae under winter snow cover at the plot-scale level in arctic tundra (Qeqertarsuaq-Disko Island, West Greenland)

A.N. Tsyganov, S. Temmerman, P. Ledeganck, L. Beyens

Acta Protozoologica > 2012 > 51 > 2

article

Testate amoebae as proxy for water level changes in a brackish tidal marsh

M. Ooms, L. Beyens, S. Temmerman

Acta Protozoologica > 2012 > 51 > 3

article

Sedimentation and response to sea-level rise of a restored marsh with reduced tidal exchange: Comparison with a natural tidal marsh

W. Vandenbruwaene, T. Maris, T.J.S. Cox, D.R. Cahoon, more

Geomorphology > 2011 > 130 > 3-4 > 115-126

Along coasts and estuaries, formerly embanked land is increasingly restored into tidal marshes in order to re-establish valuable ecosystem services, such as buffering against flooding. Along the Scheldt estuary (Belgium), tidal marshes are restored on embanked land by allowing a controlled reduced tide (CRT) into a constructed basin, through a culvert in the embankment. In this way tidal water levels...

article

Spatial flow and sedimentation patterns within patches of epibenthic structures: Combining field, flume and modelling experiments

T.J. Bouma, L.A. van Duren, S. Temmerman, T. Claverie, more

Continental Shelf Research > 2007 > 27 > 8 > 1020-1045

The objectives of the present study were twofold: (1) to identify spatial sedimentation and erosion patterns developing within patches of epibenthic structures (i.e. physical structures that protrude from the sediments, originating either from animals or plants) as a consequence of biophysical interactions; and (2) to assess the relevance of hydrodynamic flume studies for the long-term sediment dynamics...

article

A Reconfigurable Digital Platform for the Real-Time Emulation of Broadband Copper Access Networks

K. Van Renterghem, J. Pletinckx, J. Vandewege, S. Temmerman

IEEE Transactions on Instrumentation and Measurement > 2007 > 56 > 6 > 2731 - 2738

This paper presents a reconfigurable platform for the real-time digital emulation of broadband copper access networks. The instrument, which uses hard real-time digital-signal-processing techniques on Xilinx Virtex II field-programmable gate arrays, is capable of accurately reproducing the physical layer of a digital subscriber line (DSL). The magnitude and the true phase of the insertion and return...

article

Tuning the tide: creating ecological conditions for tidal marsh development in a flood control area

T. Maris, T. Cox, S. Temmerman, P. Vleeschauwer, more

Hydrobiologia > 2007 > 588 > 1 > 31-43

The Schelde estuary, characterised as a turbid, polluted and eutrophic system, has nowadays reached a turning point in the restoration of its water quality. During the past century, human activities have reduced the intertidal areas, essential in the estuarine ecosystem for nutrient cycling and the self-cleaning capacity. Today, in combination with a master plan to protect the population from storm...

chapter

A Reconfigurable Digital Platform for the Real-Time Emulation of Copper Access Networks

K. Van Renterghem, J. Pletinckx, J. Vandewege, S. Temmerman

2005 IEEE Instrumentationand Measurement Technology Conference Proceedings > 3 > 1906 - 1911

Proceedings of the IEEE Instrumentation and Measurement Technology Conference

In this paper, a reconfigurable platform for the real-time digital emulation of copper access networks is presented. The instrument, using hard real-time DSP techniques on Xilinx Virtex II FPGAs, is capable of accurately reproducing the physical layer of a xDSL connection. The magnitude and absolute phase of the insertion and return loss of the twisted pair access loop consisting of cables with various...

article

Flow hydrodynamics on a mudflat and in salt marsh vegetation: identifying general relationships for habitat characterisations

T. J. Bouma, M. B. De. Vries, E. Low, L. Kusters, more

Hydrobiologia > 2005 > 540 > 1-3 > 259-274

We present an overview of a large collaborative field campaign, in which we collected a long-term (months) high-resolution (4 Hz measurement frequency) hydrodynamic data set for several locations at the mudflat–salt marsh ecosystem and linked this to data on sediment transport and to a biological description of the organisms on the mudflat and the marsh. In this paper, part of this database has been...

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Search results for: S. Temmerman

Soil organic carbon stocks in a tidal marsh landscape are dominated by human marsh embankment and subsequent marsh progradation

Contribution of Mangroves and Salt Marshes to Nature-Based Mitigation of Coastal Flood Risks in Major Deltas of the World

What is a macrophyte patch? Patch identification in aquatic ecosystems and guidelines for consistent delineation

Impact of intertidal area characteristics on estuarine tidal hydrodynamics: A modelling study for the Scheldt Estuary

Field estimates of floc dynamics and settling velocities in a tidal creek with significant along-channel gradients in velocity and SPM

Changing tidal hydrodynamics during different stages of eco-geomorphological development of a tidal marsh: A numerical modeling study

Short‐term mudflat dynamics drive long‐term cyclic salt marsh dynamics

Interactions between plant traits and sediment characteristics influencing species establishment and scale-dependent feedbacks in salt marsh ecosystems

Landscape-scale flow patterns over a vegetated tidal marsh and an unvegetated tidal flat: Implications for the landform properties of the intertidal floodplain

Measuring sedimentation in tidal marshes: a review on methods and their applicability in biogeomorphological studies

Organism traits determine the strength of scale-dependent bio-geomorphic feedbacks: A flume study on three intertidal plant species

Formation and evolution of a tidal channel network within a constructed tidal marsh

The distribution of soil testate amoebae under winter snow cover at the plot-scale level in arctic tundra (Qeqertarsuaq-Disko Island, West Greenland)

Testate amoebae as proxy for water level changes in a brackish tidal marsh

Sedimentation and response to sea-level rise of a restored marsh with reduced tidal exchange: Comparison with a natural tidal marsh

Spatial flow and sedimentation patterns within patches of epibenthic structures: Combining field, flume and modelling experiments

A Reconfigurable Digital Platform for the Real-Time Emulation of Broadband Copper Access Networks

Tuning the tide: creating ecological conditions for tidal marsh development in a flood control area

A Reconfigurable Digital Platform for the Real-Time Emulation of Copper Access Networks

Flow hydrodynamics on a mudflat and in salt marsh vegetation: identifying general relationships for habitat characterisations

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