Publications de Giovanni De Cesare

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Most lacustrine deltas are nowadays highly anthropized systems. River training works during past centuries considered rivers mainly as vectors of water and sediments from a point source to a sink. However, numerous problems have been identified by resident ...

Wasserbau und Ökologie (W&Ö) ist ein schweizweites Forschungsprogramm zu den Themen Renaturierung, Biodiversitätsförderung, Wassernutzung und Naturgefahren im Bereich von Fliessgewässern und den davon direkt beeinflussten Mündungsbereichen und Ufern der Se ...

Les deltas lacustres sont des systèmes largement anthropisés rendant des services écosystémiques importants à l’Homme et à son environnement. Les travaux de protection contre les crues du siècle passé ont conduit à considérer l’embouchure comme un vecteur de sédiments dans les zones profondes des lacs préalpins. Ces aménagements ont engendré une érosion accrue des berges lacustres, des conflits d’usage entre nature et humains et une érosion de la biodiversité sans gérer sur le long terme le risque d’inondat

Local river widenings serve as a technique for restoring channelized rivers and mitigating river incision. The zone downstream where the widened reach transitions into the channelized river is referred to as the constriction zone. While numerous authors ha ...

This article investigates the performance and accuracy of continuous Real-Time Kinematic (RTK) Global Navigation Satellite System (GNSS) position tracking for hydromorphological surveys, based on a comprehensive river restoration monitoring campaign. The a ...

Large wood (LW) has an influence on river morphology and sediment dynamics. Protruding blocks might trap LW and allow the formation of local deposits and scour. Such blocks are used as macro-roughness elements in river engineering structures to protect aga ...

Hyperelastic geomembranes have been used as rehabilitation technology in hydropower plants and hydraulic structures since several decades. Recently, their application has been extended to pressure waterways, where challenging flow conditions with high flow velocity and pressure occur. As geomembranes are thin and flexible structures with no bending rigidity, they undergo fluid-structure interactions with large and hopefully reversible deformations when subjected to external loads. This paper focuses on flui

In this study, we present results from continuous field monitoring and a flume ex-periment of a sediment augmentation measure in a residual flow reach of the Swiss midlands. A straight morphological channel with fixed bed material was constructed to repres ...

After a major flood with a peak discharge of 177 m³/s in the city of Martigny (Valais, Switzerland) by the alpine river Drance in October 2000, the local authorities are strengthening efforts for the protection of the urban area. The Drance has an annual a ...

Chancy-Pougny is a run-of-river dam on the Swiss-French border constructed in the early 1920s. Since its inauguration, the operation of the four spillway gates was responsible for a progressive erosion of the stilling basin. Thus, a hybrid modelling was pe ...

Reservoir sedimentation is a worldwide problem affecting sustainable storage use as well as sediment transport downstream of dams. Various techniques are applied for sediment mitigation, among which, venting of turbidity currents. This paper reviews, discu ...

This study is within the frame of the construction of the rail link between Geneva Cornavin station, Eaux-Vives station and Annemasse (CEVA). The project area is located at a cut-and-cover tunnel built by slurry walls located in the alluvium of the Foron R ...

The Arve River is the most important tributary of the Rhone River The Arve has a very high sediment transport capacity due to its steep slope in the Alpine Valley. These solid materials deposit in the Rhone River. Because of the high sedimentation rate in ...

The Rhône River, second largest in Switzerland, has already been corrected twice (1863-1893; 1930-1960) to ensure safety and economic development in the Rhône valley. However, in October 2000, the highest flood of the century occurred showing the limitatio ...

This article presents assessment methods for the hydromorphological effectiveness of sediment augmentation measures downstream of dams. First, we describe different ways of quantifying hydromorphological effectiveness based on typical objectives of sedimen ...

Analyse des ökologischen Aufwertungspotentials am Seeufer Gals (Bielersee, Schweiz), welche mithilfe einer hydrodynamisch- numerischen Modellierung mit der Software MIKE 21 und Bestimmung von Makrophyten vorgenommen wurde. Unter der Annahme von zwei unterschiedlich starken Windszenarien wurden die windinduzierten signifikanten Wellenhöhen und die welleninduzierten Strömungen für verschiedene Varianten simuliert. Die Ergebnisse der Modellierungen zeigten, ob die in den Varianten geplanten Massnahmen eine Red

UHPFRC for the rehabilitation and protection of concrete surfaces against hydroabrasion. Hydraulic structures made of reinforced concrete show damage as a result of hydroabrasion and alkali-silica reaction. This damage can be repaired efficiently using the ...

Giovanni De Cesare

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Revitalisation des deltas lacustres : Quelle méthodologie adopter pour améliorer les services écosystémiques et bénéfices environnementaux ? / River mouth revitalization design, how to improve ecosystem services and environmental benefits of engineering work?

Morphological processes and potential for lacustrine delta restoration

Praxisorientierte Forschung im Bereich Wasserbau und Ökologie [Practice-oriented research in hydraulic engineering and ecology]

Revitalisation des deltas lacustres : Quelle méthodologie adopter pour améliorer les services écosystémiques et bénéfices environnementaux ? / River mouth revitalization design, how to improve ecosystem services and environmental benefits of engineering work?

Review on the Bed Scouring in the Constriction Zone of Local River Widenings

Performance and accuracy of cross‐section tracking methods for hydromorphological habitat assessment in wadable rivers with sparse canopy conditions

Influence of large wood transport on river bed structuring processes in steep river reaches

Steady Flow-Induced Deformations of Hyperelastic Geomembranes

Potential of sediment transfer in a shallow storage lake, numerical modeling to assess the efficiency of technical solutions and their optimization

Continuous monitoring of morphological changes from sediment augmentation by field measurements and flume experiments

Physical modelling optimization of a filter check dam in Switzerland

Hybrid Modelling Approach to Study Scour Potential at Chancy-Pougny Dam Stilling Basin

Experimental investigation on turbidity current venting under restrained outflow discharges

Experimental Study at Prototype Scale of a Self-priming Free-Surface Siphon

Et si les crues de l'Arve rejoignaient le Léman? - Etude de faisabilité de la dérivation des crues de l'Arve pour améliorer le rendement de la centrale du Sujet et décharger la retenue de verbois

Third correction of the Rhône River in Switzerland: physical and numerical modelling of the “Martigny bend” priority measure

Assessment of the hydromorphological effectiveness of sediment augmentation measures downstream of dams

Untersuchung von Renaturierungskonzepten am Seeufer Gals, Bielersee

UHFB für die Instandsetzung und den Schutz von Betonoberflächen vor Hydroabrasion

Experiments on flow pattern and suspended sediment concentration in water jet induced cyclonic circulation in a cuboidal basin