1. Postdoctoral Research Associate, IIHR—Hydroscience and Engineering, The Univ. of Iowa, 100 C. Maxwell Stanley Hydraulics Laboratory, Iowa City, Iowa 52242. E-mail: li-chuan-chen@uiowa.edu
2. Associate Professor, IIHR—Hydroscience and Engineering, The Univ. of Iowa, 523A C. Maxwell Stanley Hydraulics Laboratory, Iowa City, Iowa 52242. E-mail: allen-bradley@uiowa.edu