1. Dept. of Geography, Ghent Univ., Krijgslaan 281 (S8), B-9000 Ghent, Belgium (corresponding author).
2. Dept. of Geography, Ghent Univ., Krijgslaan 281 (S8), B-9000 Ghent, Belgium.
3. Assistant Professor, Dept. of Civil Engineering, Ghent Univ., Technologiepark Zwijnaarde 904, B-9052 Zwijnaarde, Belgium.
4. Associate Professor, Dept. of Geography, Ghent Univ., Krijgslaan 281 (S8), B-9000 Ghent, Belgium; Dept. of Industrial Technology and Construction, Ghent Univ., Campus Schoonmeersen–Gebouw P, Valentin Vaerwijckweg 1, B-9000 Ghent, Belgium.
5. Dept. of Civil Engineering, Ghent Univ., Technologiepark Zwijnaarde 904, B-9052 Zwijnaarde, Belgium.
6. Professor, Dept. of Civil Engineering, Ghent Univ., Technologiepark Zwijnaarde 904, B-9052 Zwijnaarde, Belgium.
7. Associate Professor, Dept. of Geography, Ghent Univ., Krijgslaan 281 (S8), B-9000 Ghent, Belgium.