Bob de Graffenried

bob.degraffenried@epfl.ch +41 21 693 43 62 https://navisence.ch/
Citizenship: Suisse
Birth date: 24.02.1984
EPFL ENAC IIC LHE
GC A1 408 (Bâtiment GC)
Station 18
1015 Lausanne
Web site: Web site: https://lhe.epfl.ch/
+41 21 693 43 62
EPFL
>
VPO-SE
>
OHS
>
COSEC-ENAC
Fields of expertise
Hard skills: data acquisition, imaging, electronics, programming, IT, UAV, mechanics, in-situ measurements.
Mission
Technical manager of the unit & supervision of PhD students/civilists/students.Laboratory experiments for researchers:
- Design of physical models (channels, inclined planes, sediment feeders, etc.);
- Installation of lasers, cameras, motors, sensors, etc.;
- High-speed data and image acquisition (hardware & software);
- Coordination with the PLTE workshop for production;
- User training.
Field data acquisition:
- Topographic surveys by drone (A1/A3 and A2 licenses);
- Flow measurements (ADCP, salt gauging, etc.);
- Installation of measuring stations (timelapse cameras, etc.).
Geomorphological monitoring of the Navisence river at Zinal:
- Operation of drones in specific category (authorization and procedures with FOCA);
- Analysis of collected data (orthophotos, DSM, bathymetry, flow rates, etc.);
- Supervision/training of students and civilians;
- Collaboration with the commune of Anniviers and CREALP;
- Creation of the navisence.ch website presenting the project.
Laboratory management:
- Facilities manager (lab layout, work management, etc.) ;
- Responsible for laboratory safety (COSEC);
- Responsible for scientific equipment (maintenance, purchasing, inventories);
- Responsible for IT fleet & computer assembly;
- Responsible for accreditations & lab access;
- Data management & backups (NAS, website, communication).
Education
Ingénieur HES
Télécommunications
Haute Ecole d'Ingénierie et de Gestion du Canton de Vaud (HEIG-VD)
2007
Maturité Professionnelle Technique
Maturité intégrée
Ecole des Métiers de Lausanne (ETML)
2002
CFC
Automaticien
Ecole des Métiers de Lausanne (ETML)
2002
Publications
Selected publications
Pascal I., Miazza R., de Graffenried B. 2023 EGU General Assembly |
Bifurcations in mountain rivers: insights on their hydraulics from field measurements |
Pascal I., Miazza R., Baratier A., de Graffenried B., Foglia A., Berthet J., Ancey C. 2023 SHF Apports des nouvelles technologies à l’étude du transport sédimentaire et de la morphodynamique |
Évolution du tressage sur une plaine alluviale alpine : relevés combinés de granulométrie de surface, changements topographiques et répartition du débit liquide. |
Pascal I., de Hoyo J., Finch B., de Graffenried B., Travaglini E., Theule J., Maino C., Abellan A., Ancey C., Ruiz-Villanueva V. 2023 21st Swiss Geoscience Meeting |
Sediment and large wood supply in proglacial streams: insights from the Upper Navisence catchment monitoring |
de Graffenried B., Pascal I., Liardon T. 2021 Colloque Transport sédimentaire : Rivières et barrages réservoirs |
Analyse de l'évolution morphologique d'une rivière de montagne |
Soloy A., Grotolli E., Lorang M., de Graffenried B., Pascal., Bertoni D., Turki I., Lecoq N., Jakson W., Ancey C. 2021 AGU Fall Meeting |
Mapping the size and shape of coarse clasts using Mask R-CNN: spatial and temporal variability over six different study sites including sea shores, and lake and river banks |
de Graffenried B., Pascal I., Trewhela T. 2020 EGU General Assembly |
Assessing UAV survey performance for geomorphological monitoring of mountain rivers |
Rousseau G., de Graffenried B. 2018 CFTL "16 Congrès Francophone de Techniques Laser" pour la Mécanique des Fluides |
Vélocimétrie par scan 3D d’écoulements turbulents : application à un écoulement à surface libre sur fond poreux |
de Graffenried B. 2018 CODEV Workshop at University of Chile |
Topo-surveyingan Alpine basin using UAS |