Bob de Graffenried

bob.degraffenried@epfl.ch +41 21 693 43 62 https://navisence.ch/

Nationality: Suisse

EPFL ENAC IIC LHE
GC A1 408 (Bâtiment GC)
Station 18
1015 Lausanne

+41 21 693 43 62
Office: GC A1 408
EPFL › ENAC › IIC › LHE

Expertise

Soft skills: critical thinking, team spirit, autonomy, sense of organization and responsibility, communication.
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 & informations boards on site 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).

Biography Publications

Education

HES engineer

| Telecommunications

2002 – 2006 Haute Ecole d'Ingénierie et de Gestion du Canton de Vaud (HEIG-VD)

Maturité professionnelle technique

1999 – 2002 Ecole des Métiers de Lausanne (ETML)

CFC

| Automaticien

1999 – 2002 Ecole des Métiers de Lausanne (ETML)

Selected publications

Bifurcations in mountain rivers: insights on their hydraulics from field measurements

Pascal I., Miazza R., de Graffenried B.
Published in 2023 EGU General Assembly in 2023

Évolution du tressage sur une plaine alluviale alpine : relevés combinés de granulométrie de surface, changements topographiques et répartition du débit liquide.

Pascal I., Miazza R., Baratier A., de Graffenried B., Foglia A., Berthet J., Ancey C.
Published in 2023 SHF Apports des nouvelles technologies à l’étude du transport sédimentaire et de la morphodynamique in 2023

Sediment and large wood supply in proglacial streams: insights from the Upper Navisence catchment monitoring

Pascal I., de Hoyo J., Finch B., de Graffenried B., Travaglini E., Theule J., Maino C., Abellan A., Ancey C., Ruiz-Villanueva V.
Published in 2023 21st Swiss Geoscience Meeting in 2023

Analyse de l'évolution morphologique d'une rivière de montagne

de Graffenried B., Pascal I., Liardon T.
Published in 2021 Colloque Transport sédimentaire : Rivières et barrages réservoirs in 2021

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

Soloy A., Grotolli E., Lorang M., de Graffenried B., Pascal., Bertoni D., Turki I., Lecoq N., Jakson W., Ancey C.
Published in 2021 AGU Fall Meeting in 2021

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