The PhD defence will be in Abels utsikt - Niels Henrik Abels hus. The host of the session will moderate the technicalities while the chair of the defence will moderate the disputation.
Ex auditorio questions: the chair of the defence will invite the audience to ask questions ex auditorio at the end of the defence.
Trial lecture
January 10th, 2025, time: 10:15 am, room 1259 (Abels utsikt).
Wind waves and their effect on marine debris transport
Main research findings
This thesis investigates tsunami induced boulder and debris transport on the slope covered with sediments and highlights the crucial influence of sediments on boulder and debris dynamics. The work is performed experimentally. It reveals that thin sediment layer enhances boulder transport by reducing friction, which is not the case for the thick layer of sand. A thin layer of sand also supports both sliding and turning over of boulders, while a thick layer of sand promotes rotational movements. Debris transport depends on their density: heavy debris tend to move offshore, while lighter debris are carried onshore. Coarse sediments favor onshore deposition, whereas fine sediments increase offshore transport and the potential for debris to become marine litter. These findings deepen our understanding of sediment-driven transport in coastal and tsunami environments, underscoring the role of sediment characteristics in determining boulders and debris fate.
Adjudication committee
- Associate Professor Jadranka Šepić, University of Split
- Senior Lecturer Mohammad Heidarzadeh, University of Bath
- Professor Karsten Trulsen, University of Oslo
Supervisors
- Associate Professor Ira Didenkulova, University of Oslo
- Professor Atle Jensen, University of Oslo
Chair of defence
Head of Department Erlend Fornæss Wold.
Host of the session
Professor Karsten Trulsen, University of Oslo