Fabián A. Bombardelli
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View article: Influence of Step Height on Turbulence Statistics in the Non-Aerated Skimming Flow in Steep-Stepped Spillways
Influence of Step Height on Turbulence Statistics in the Non-Aerated Skimming Flow in Steep-Stepped Spillways Open
The classical assumption of self-similarity in flow velocities and turbulence statistics has been successfully validated for fully developed flows in open channels, pipes, and boundary layers. However, its application in developing boundar…
View article: Transitional circulation patterns from full ice cover to ice-off in a seasonally ice-covered lake
Transitional circulation patterns from full ice cover to ice-off in a seasonally ice-covered lake Open
There is consensus that under-ice circulation presents multiple phases through the winter, and that different mechanisms dominate each period. In this work, measurements of temperature, water velocity, conductivity, and dissolved oxygen fr…
View article: Exploring Cohesive Sediment Flocculation With Surface Heterogeneity: A Theoretical Lagrangian‐Type Flocculation Model
Exploring Cohesive Sediment Flocculation With Surface Heterogeneity: A Theoretical Lagrangian‐Type Flocculation Model Open
The flocculation of cohesive sediments significantly influences the particle size, concentration, and settling velocity and further influences sediment transport and pollutant transformation in the natural environment. The population balan…
View article: Attachment efficiency among fine sediment considering surface heterogeneity
Attachment efficiency among fine sediment considering surface heterogeneity Open
Interactions among natural fine sediment particles are essential to the flocculation process, and are affected significantly by surface heterogeneity. In this study, a series of mathematical sediments are generated to characterize the natu…
View article: Scour evolution downstream of grade-control structures under unsteady flows: A theoretical analysis
Scour evolution downstream of grade-control structures under unsteady flows: A theoretical analysis Open
River restoration projects often make use of grade-control structures in order to prevent channel degradation, improve their ecological resources, and regulate floods. The time evolution of localized scour that can occur downstream of grad…
View article: A novel three-phase mixture approach for the numerical modeling of self-aerated flows
A novel three-phase mixture approach for the numerical modeling of self-aerated flows Open
This work presents a novel theoretical/numerical model for the simulation of self-aerated flows under a Reynolds-Averaged Navier-Stokes (RANS) framework. The new formulation is based on a three-phase mixture approach composed of a continuo…
View article: Flow Structures During Upwelling Events in Lakes of Moderate Size
Flow Structures During Upwelling Events in Lakes of Moderate Size Open
Numerical simulation input parameters and source code for the analysis of the 3D flow structures Coriolis force effects on the lake response to winds during upwelling events in a lake of moderate size (i.e., Lake Tahoe). Numerical model re…
View article: The Phenomenological Theory of Turbulence and the Scour Evolution Downstream of Grade-Control Structures under Steady Discharges
The Phenomenological Theory of Turbulence and the Scour Evolution Downstream of Grade-Control Structures under Steady Discharges Open
A more complete understanding of scour mechanisms for flows downstream of grade-control structures, including their temporal evolution, has the potential to lead to improved predicting tools for design. To date, design equations have been …
View article: Time-dependent scour processes on granular beds at large scale
Time-dependent scour processes on granular beds at large scale Open
A theoretical framework, based on the phenomenological theory of turbulence applied to scour-related processes due to plunging jets on cohesionless beds, is considered in this paper. More specifically, its predictive capability is assessed…
View article: Introducción de una nueva etapa en RIBAGUA
Introducción de una nueva etapa en RIBAGUA Open
View article: Drought and the Sacramento–San Joaquin Delta, 2012–2016: Environmental Review and Lessons
Drought and the Sacramento–San Joaquin Delta, 2012–2016: Environmental Review and Lessons Open
This paper reviews environmental management and the use of science in the Sacramento–San Joaquin Delta during California’s 2012–2016 drought. The review is based on available reports and data, and guided by discussions with 27 agency staff…
View article: Environmental fluid mechanics in hydraulic engineering
Environmental fluid mechanics in hydraulic engineering Open
View article: Acknowledgments
Acknowledgments Open
View article: SUSPENDED COHESIONLESS MATERIAL IN A 2D SCOUR POTHOLE DUE TO PLUNGING JETS
SUSPENDED COHESIONLESS MATERIAL IN A 2D SCOUR POTHOLE DUE TO PLUNGING JETS Open
The intimate details of the erosion mechanisms occurring downstream of hydraulic structures still remain elusive. Only recently the differences between dynamic and static scour hole features at equilibrium have been uncovered. Specifically…
View article: Predicting Wave‐Induced Sediment Resuspension at the Perimeter of Lakes Using a Steady‐State Spectral Wave Model
Predicting Wave‐Induced Sediment Resuspension at the Perimeter of Lakes Using a Steady‐State Spectral Wave Model Open
A steady‐state spectral wave model, STWAVE, is evaluated as a tool for predicting wave‐induced sediment resuspension in lake littoral zones. Steady‐state wave height and bed‐shear stress estimates are tested against 2 years of high‐frequen…
View article: Temporal evolution of jet induced scour depth in cohesionless granular beds and the phenomenological theory of turbulence
Temporal evolution of jet induced scour depth in cohesionless granular beds and the phenomenological theory of turbulence Open
In this work, we investigate the temporal evolution of the jet-driven scour depth in a pothole lying on a cohesionless granular bed by using diverse approaches. First, we present new experiments which encompass cases with jet angles rangin…
View article: Role of Sediments in Insecticide Runoff from Urban Surfaces: Analysis and Modeling
Role of Sediments in Insecticide Runoff from Urban Surfaces: Analysis and Modeling Open
Insecticides, such as pyrethroids, have frequently been detected in runoff from urban areas, and their offsite transport can cause aquatic toxicity in urban streams and estuaries. To better understand the wash-off process of pesticide resi…
View article: From Developing to Developed Phase in the Scour Evolution Due to Vertical and Sub-vertical Plunging Jets: New Experiments and Theory
From Developing to Developed Phase in the Scour Evolution Due to Vertical and Sub-vertical Plunging Jets: New Experiments and Theory Open
Previous studies have analyzed the evolution of the scour process without furnishing clear insights on how the scour pothole proceeds before reaching the equilibrium configuration. Apparently, there is only one study that addressed the sco…
View article: Influence of VOF technique, turbulence model and discretization scheme on the numerical simulation of the non-aerated, skimming flow in stepped spillways
Influence of VOF technique, turbulence model and discretization scheme on the numerical simulation of the non-aerated, skimming flow in stepped spillways Open
View article: Introducción por los Editores
Introducción por los Editores Open
View article: On the Values for the Turbulent Schmidt Number in Environmental Flows
On the Values for the Turbulent Schmidt Number in Environmental Flows Open
Computational Fluid Dynamics (CFD) has consolidated as a tool to provide understanding and quantitative information regarding many complex environmental flows. The accuracy and reliability of CFD modelling results oftentimes come under scr…
View article: Distribution of mean flow and turbulence statistics in plunge pools
Distribution of mean flow and turbulence statistics in plunge pools Open
When the capacity of the spillway of a dam is exceeded for a given flood, overtopping occurs; in such cases potentially dangerous hydrodynamic actions and scour downstream of the dam need to be foreseen. Detailed studies of jets impinging …
View article: Introducción del número especial XIII Jornadas Españolas de Ingeniería de Costas y Puertos
Introducción del número especial XIII Jornadas Españolas de Ingeniería de Costas y Puertos Open
(2016). Introduccion del numero especial XIII Jornadas Espanolas de Ingenieria de Costas y Puertos. Ribagua: Vol. 3, No. 2, pp. i-iii.
View article: Seasonal nearshore sediment resuspension and water clarity at Lake Tahoe
Seasonal nearshore sediment resuspension and water clarity at Lake Tahoe Open
Reardon KE, Moreno-Casas PA, Bombardelli FA, Schladow SG. 2016 Seasonal nearshore sediment resuspension and water clarity at Lake Tahoe. Lake Reserv Manage. 32:132--145.Motivated by management challenges due to declining water clarity at L…
View article: Soil Pollution Prevention and Remediation
Soil Pollution Prevention and Remediation Open
1DICATECh, Polytechnic University of Bari, Via Orabona 4, 70125 Bari, Italy 2Department of Civil and Environmental Engineering, University of California, Davis, 3105 Ghausi Hall, One Shields Avenue, Davis, CA 95616, USA 3School of Environm…