Searched for: author:"Pietrzak, J.D."
(1 - 20 of 30)

Pages

document
James, Rebecca K. (author), Pietrzak, J.D. (author), Candy, A.S. (author), Katsman, C.A. (author), van der Boog, C.G. (author), Riva, R.E.M. (author), Slobbe, D.C. (author), Klees, R. (author), More Authors (author)
Tropical beaches provide coastal flood protection, income from tourism, and habitat for flagship species. They urgently need protection from erosion, which is being exacerbated by changing climate and coastal development. Traditional coastal engineering solutions are expensive, provide unstable temporary solutions, and often disrupt natural...
journal article 2019
document
Rijnsburger, S. (author), Audibert, Raul Flores (author), Pietrzak, J.D. (author), Horner-Devine, Alexander (author), Souza, Alejandro J. (author), Jones, Nicole (author), Lamb, Kevin (author)
poster 2019
document
James, Rebecca K. (author), van Katwijk, Marieke M. (author), Pietrzak, J.D. (author), Candy, A.S. (author), Klees, R. (author), Riva, R.E.M. (author), Slobbe, D.C. (author), Katsman, C.A. (author), Herman, P.M.J. (author), More Authors (author)
Global oceanic pH is lowering, which is causing great concern for the natural functioning of marine ecosystems. Current pH predictions are based on open ocean models; however, coastal zones are dynamic systems with seawater pH fluctuating temporally and spatially. To understand how coastal ecosystems will respond in the future, we first need...
journal article 2019
document
Ypma, S.L. (author), Brüggemann, N. (author), Georgiou, S. (author), Spence, P. (author), Dijkstra, H. A. (author), Pietrzak, J.D. (author), Katsman, C.A. (author)
The pathways and watermass transformation of the North Icelandic Irminger Current (NIIC) in the Nordic Seas are investigated by tracing the NIIC watermass in two ocean circulation models: the Modular Ocean Model (MOM) and the Parallel Ocean Program (POP). The two simulations use identical atmospheric forcing and have a horizontal resolution of 0...
journal article 2019
document
van der Boog, C.G. (author), de Jong, M. F. (author), Scheidat, M. (author), Leopold, M. F. (author), Geelhoed, S. C.V. (author), Schulz, K. (author), Pietrzak, J.D. (author), Katsman, C.A. (author), Dijkstra, H.A. (author)
In the Caribbean Sea, mesoscale anticyclonic ocean eddies impact the local ecosystem by mixing of low salinity river outflow with the nutrient-rich waters upwelling along the Venezuelan and Colombian coast. To gain insight into the physics and the ecological impact of these anticyclones, we performed a combined hydrographic and biological...
journal article 2019
document
Georgiou, S. (author), van der Boog, C.G. (author), Brüggemann, N. (author), Ypma, S.L. (author), Pietrzak, J.D. (author), Katsman, C.A. (author)
In this study, an idealized eddy-resolving model is employed to examine the interplay between the downwelling, ocean convection and mesoscale eddies in the Labrador Sea and the spreading of dense water masses. The model output demonstrates a good agreement with observations with regard to the eddy field and convection characteristics. It also...
journal article 2019
document
Flores, Raúl P. (author), Rijnsburger, S. (author), Meirelles Nunes da Rocha, Saulo (author), Horner-Devine, Alexander R. (author), Souza, Alejandro J. (author), Pietrzak, J.D. (author), Henriquez, M. (author), Reniers, A.J.H.M. (author)
Wave-supported gravity flows (WSGFs) generate rates of sediment flux far exceeding other cross-shelf transport processes, contributing disproportionately to shelf morphology and net cross-shelf fluxes of sediment in many regions worldwide. However, the conditions deemed necessary for the formation of WSGF limit them to a narrow set of shelf...
journal article 2018
document
Kleptsova, O.S. (author), Pietrzak, J.D. (author)
Ice induced variability of tides in the Canadian Arctic Archipelago, including Baffin Bay and Hudson Strait/Hudson Bay system, was studied by means of a new high resolution tidal model. Here we show that the seasonal variations of the tidal constants are significant in the major part of the domain. Month to month changes of the tidal phases...
journal article 2018
document
van Westen, René M. (author), Dijkstra, Henk A. (author), Klees, R. (author), Riva, R.E.M. (author), Slobbe, D.C. (author), van der Boog, C.G. (author), Katsman, C.A. (author), Candy, A.S. (author), Pietrzak, J.D. (author), Zijlema, M. (author), James, Rebecca K. (author), Bouma, Tjeerd J. (author)
The Yucatan Channel connects the Caribbean Sea with the Gulf of Mexico and is the main outflow region of the Caribbean Sea. Moorings in the Yucatan Channel show high-frequent variability in kinetic energy (50–100 days) and transport (20–40 days), but the physical mechanisms controlling this variability are poorly understood. In this study, we...
journal article 2018
document
Candy, A.S. (author), Pietrzak, J.D. (author)
The approaches taken to describe and develop spatial discretisations of the domains required for geophysical simulation models are commonly ad hoc, model- or application-specific, and under-documented. This is particularly acute for simulation models that are flexible in their use of multi-scale, anisotropic, fully unstructured meshes where a...
journal article 2018
document
Meirelles Nunes da Rocha, Saulo (author), Henriquez, M. (author), Reniers, A.J.H.M. (author), Luijendijk, A.P. (author), Pietrzak, J.D. (author), Horner-Devine, Alexander R. (author), Souza, Alejandro J. (author), Stive, M.J.F. (author)
The Sand Engine is a 21.5 million m<sup>3</sup> experimental mega-nourishment project that was built in 2011 along the Dutch coast. This intervention created a discontinuity in the previous straight sandy coastline, altering the local hydrodynamics in a region that is influenced by the buoyant plume generated by the Rhine River. This work...
journal article 2018
document
Rijnsburger, S. (author), Flores, Raúl P. (author), Pietrzak, J.D. (author), Horner-Devine, Alexander R. (author), Souza, Alejandro J. (author)
In this study we used field data and radar images to investigate the influence of winds and tides on the propagation of tidal plume fronts. The measurements were collected in a shallow shelf region off the Dutch coast, 10 km north of the Rhine River mouth, and they clearly show the passage of distinct freshwater lenses and associated fronts...
journal article 2018
document
Horner-Devine, Alexander R. (author), Pietrzak, J.D. (author), Souza, Alejandro J. (author), McKeon, Margaret A. (author), Meirelles Nunes da Rocha, Saulo (author), Henriquez, M. (author), Flores, Raúl P. (author), Rijnsburger, S. (author)
We present a new mechanism for cross-shore transport of fine sediment from the nearshore to the inner shelf resulting from the onshore propagation of river plume fronts. Onshore frontal propagation is observed in moorings and radar images, which show that fronts penetrate onshore through the nearshore and surf zone, almost to the waterline....
journal article 2017
document
Flores, Raúl P. (author), Rijnsburger, S. (author), Horner-Devine, Alexander R. (author), Souza, Alejandro J. (author), Pietrzak, J.D. (author)
We present measurements of along and across-shore sediment transport in a region of the Dutch coast 10 km north of the Rhine River mouth. This section of the coast is characterized by strong vertical density stratification because it is within the midfield region of the Rhine region of freshwater influence, where processes typical of the far...
journal article 2017
document
Candy, A.S. (author), Pietrzak, J.D. (author), Zijlema, M. (author)
The Dutch Caribbean consists of two island groups, the Leeward Antilles off the Venezuelan coast separated from the Windward Islands east of Puerto Rico over distances of the scale of the Caribbean Sea itself. Climate change in the Caribbean Sea is predicted to lead to rising sea levels, warming waters and changing eddy fields. Warming waters...
abstract 2017
document
Rijnsburger, S. (author), Van der Hout, C.M. (author), Van Tongeren, O. (author), De Boer, G.J. (author), Van Prooijen, B.C. (author), Borst, W.G. (author), Pietrzak, J.D. (author)
This study identifies and unravels the processes that lead to stratification and destratification in the far field of a Region of Freshwater Influence (ROFI). We present measurements that are novel for two reasons: (1) measurements were carried out with two vessels that sailed simultaneously over two cross-shore transects; (2) the measurements...
journal article 2016
document
Rijnsburger, S. (author), Audibert, R.F. (author), Souza, Alejandro J. (author), Horner-Devine, Alexander R. (author), Pietrzak, J.D. (author)
River plumes, also regions of freshwater influence , are important features to understand because of their impact on the current structure, stratification and the transport of fine sediments, nutrients and contaminants. One important river plume is the Rhine ROFI. Prior studies have sought to understand far-field dynamics where cross-shore...
abstract 2016
document
Volp, N.D. (author), van Prooijen, Bram (author), Pietrzak, J.D. (author), Stelling, G.S. (author)
Long term morphodynamic simulations are used for predicting the impact of climate change and human interventions in our estuarine and coastal regions. The accuracy of this type of simulations suffers generally from low resolution grids. Eventhough high resolution bathymetry data is increasingly more available thanks to new measurement techniques...
abstract 2016
document
Candy, A.S. (author), Pietrzak, J.D. (author)
The Kralendijk Declaration is the outcome of the conference on "Coastal Dynamics and Ecosystem Change: Caribbean, Quo Vadis?" that was held on Bonaire, October 18-21 2016.
report 2016
document
Henriquez, M. (author), Meirelles, S. (author), Horner-Devine, A.R. (author), Souza, A.J. (author), Pietrzak, J.D. (author), Stive, M.J.F. (author)
The South-Holland coast of the Netherlands undergoes the influence of the Rhine river plume released from the Rotterdam waterways. An experiment, STRAINS, was conducted to study the impact of the fresh water on the nearshore hydrodynamics and sand transport. As part of the experiment, an instrumented bottom frame measured the near-bed...
conference paper 2014
Searched for: author:"Pietrzak, J.D."
(1 - 20 of 30)

Pages