1. Department of Civil, Environmental, and Geo‐Engineering, St. Anthony Falls Laboratory and National Center for Earth‐Surface DynamicsUniversity of MinnesotaMinneapolis Minnesota USA
2. Department of Civil and Environmental EngineeringUniversity of CaliforniaIrvine California USA
3. Department of Forest ResourcesUniversity of MinnesotaSt. Paul Minnesota USA
4. Dipartimento di Ingegneria CivileEdile e Ambientale, Università degli studi di PadovaPadua Italy