1. Graduate Research Assistant, Civil and Environmental Engineering Dept., IIHR-Hydroscience and Engineering, Univ. of Iowa, Stanley Hydraulics Laboratory, Iowa City, IA 52242. E-mail: gokhan-kirkil@uiowa.edu
2. Assistant Professor, Civil and Environmental Engineering, IIHR-Hydroscience and Engineering, Univ. of Iowa, Stanley Hydraulics Laboratory, Iowa City, IA 52242 (corresponding author). E-mail: sconstan@engineering.uiowa.edu
3. Professor, Civil and Environmental Engineering, IIHR-Hydroscience and Engineering, Univ. of Iowa, Stanley Hydraulics Laboratory, Iowa City, IA 52242. E-mail: robertettema@uiowa.edu