A5073918561- Coastal and Marine Dynamics
- Geological formations and processes
- Coastal wetland ecosystem dynamics
- Ocean Waves and Remote Sensing
- Oceanographic and Atmospheric Processes
- Tropical and Extratropical Cyclones Research
- Aeolian processes and effects
- Fluid Dynamics and Turbulent Flows
- Fluid Dynamics Simulations and Interactions
- Microplastics and Plastic Pollution
- Fluid Dynamics and Vibration Analysis
- Coral and Marine Ecosystems Studies
- Advanced Numerical Methods in Computational Mathematics
- Particle Dynamics in Fluid Flows
- Groundwater flow and contamination studies
- Methane Hydrates and Related Phenomena
- Computational Fluid Dynamics and Aerodynamics
- Recycling and Waste Management Techniques
- Fluid Dynamics and Heat Transfer
- Geological and Geophysical Studies
- Hydrology and Sediment Transport Processes
- Wind and Air Flow Studies
- Soil erosion and sediment transport
- Underwater Acoustics Research
- earthquake and tectonic studies
Institut Méditerranéen d’Océanologie
2016-2025
Université de Toulon
2016-2025
Université de Pau et des Pays de l'Adour
2018-2025
Institut de Recherche pour le Développement
2015-2024
Aix-Marseille Université
2015-2024
Centre National de la Recherche Scientifique
2015-2024
Université de Montpellier
2014-2022
Laboratoire de Mathématiques et de leurs Applications
2018-2020
Laboratoire des Écoulements Géophysiques et Industriels
2007-2010
Université Joseph Fourier
2010
Vertical dynamics of microplastics (MPs) in the water column are complex and not fully understood due to diversity environmental MPs impact weathering biofouling on their dynamical properties. In this study, we investigate effects particle properties biofilm vertical (settling or rising) velocity microplastic sheets fibers under laboratory conditions. The experiments focus three types (polyester PES fibers, polyethylene terephthalate PET sheets, polypropylene PP sheets) nine sizes two...
Anomaly detection (AD) in high-volume environmental data requires one to tackle a series of challenges associated with the typical low frequency anomalous events, broad-range possible anomaly types, and local nonstationary conditions, suggesting need for flexible statistical methods that are able cope unbalanced problems. Here, we aimed detect anomalies caused by technical errors water-quality (turbidity conductivity) collected automated situ sensors deployed contrasting riverine estuarine...
Abstract Wave runup is known to depend on offshore wave conditions and coastal morphology. While most field studies have focused low‐to‐mild‐sloping sandy beaches, measurements steep irregular rocky cliff profiles are still very scarce. Here we investigate the physical processes controlling in such environments range of applicability empirical formula. This study focuses cliffs (0.1 < tan β 0.4) Banneg Island, a small island located Molène archipelago, Brittany, France, occasionally...
Compositional data are a special kind of data, represented as proportion carrying relative information. Although this type is widely spread, no solution exists to deal with the cases where classes not well balanced. After describing compositional imbalance, paper proposes an adaptation original Synthetic Minority Oversampling TEchnique (SMOTE) imbalance. The new approach, called SMOTE for Data (SMOTE-CD), generates synthetic examples by computing linear combination selected existing points,...
Describing the structural complexity of seabeds is primary importance for a number geomorphological, hydrodynamical and ecological issues. Aiming to bring decisive insight on long-term development unified view, present study reports comparative multi-site analysis high resolution topography surveys in rough nearshore environments. The nine sites have been selected cover wide variety topographical features, including rocky coral seabeds. data has processed separate roughness...
Abstract. Potentially acting as a source or sink for plastic pollution to the open ocean, nearshore waters remain challenging context predicting transport and deposition of debris. In this study, we present an advanced modeling approach based on SWASH wave model TrackMPD (v3.0) particle investigate dynamics floating sinking microplastics in wave-dominated environments. This introduces novel features such coupling with turbulence models, simulating resuspension bedload processes, implementing...
Around three-quarters of oceanic plastic waste come from land-based sources and is mainly transported via rivers estuaries. However, not all plastics entering estuarine environments reach the open Ocean. Plastic litter particularly microplastics, can accumulate in estuaries, creating pollution hotspots. This retention may be especially pronounced macrotidal where strong landward residual flows enhance trapping. The ANR PLASTINEST project aims to advance our understanding transport, trapping,...
Abstract. Climate change is driving sea-level rise and potentially intensifying extreme events in the tropical belt, thereby increasing coastal hazards. On islands, sea levels subsequent marine flooding can be triggered by cyclones but also distant-source swells. Knowledge of states ocean thus key importance, their study usually based on spectral wave models. However, existing global models typically employ regular grids with a coarse resolution, which fail to accurately represent volcanic...
Rough rocky seabeds dominate world's coastlines, making accurate modeling of wave transformation in such environments essential for understanding coastal processes and hazards. Wave breaking friction are critical drivers dissipation over rough seabeds, especially the surf zone. Phase-resolved models, often relying on classical bed shear stress or canopy drag approaches, can fail to capture these due limitations their physical assumptions, large roughness elements typical seabeds. The present...
In order to understand and predict coastal flooding processes in rocky environments, it is necessary take into account bottom roughness, which plays a key role wave transformation general dynamics. The present work aims implement parameterisation of roughness-induced dissipation 3D non-hydrostatic phase-resolved models, based on the Symphonie code (MARSALEIX et al., 2019). modified model compared with laboratory experiments carried out surf zone linear slope (DEALBERA 2024). Different...
Microplastic (MP) debris is recognized to be one of the most serious threats marine environments. They are found in all seas and oceanic basins worldwide, even remote areas. This further proof that transport MPs very efficient. In present study, we focus our attention on MPs’ owing Stokes drift generated by sea waves. Recent studies have shown interaction between heavy particles leads unexpected phenomena mostly related inertial effects. We perform a series laboratory experiments with aim...
We use spin-up/spin-down laboratory experiments to study the neutrally stratified Ekman boundary layer. The are performed in 13 m diameter, 1 deep Coriolis rotating tank of LEGI Grenoble, France. A global flow rotation is produced by an initial change speed. It then slowly decays under effect friction, evolving from turbulent state laminar state. checked that layer itself remains a quasi-steady during this decay. velocity measured Particle Imaging Velocimetry (PIV) at two scales: horizontal...