Prof. Sumer has authored and co-authored over 90 peer-refereed journal papers and over 70 conference papers on flow around and forces on marine structures; scour; wave boundary layers; sediment transport; and liquefaction of marine soils. He is the senior author of two books. He was actively involved in several MAST II projects and MAS3 project SASME (Surf and Swash Zone Mechanics). He coordinated MAS3 project SCARCOST (Scour Around Coastal Structures) (1997- 2000), and FP5 project LIMAS (Liquefaction Around Marine Structures) (2001-2004). He is currently coordinating DSF (The Danish Strategic Research Council) programme “Seabed Wind Farm Interaction. He received the 2005 ASCE Karl Emil Hilgard Hydraulic Prize.