1. Professor, Department of Environmental Sciences and Engineering, University of North Carolina, Chapel Hill, NC 27599-7431, USA
2. Research Hydraulic Engineer, US Army Engineer Research and Development Center, Coastal and Hydraulics Laboratory (ERDC-CHL), Vicksburg, MS, USA
3. Research Engineer, Institute of Applied Analysis and Numerical Simulation, University of Stuttgart, Germany
4. PhD Student, Department of Mathematics, University of North Carolina, Chapel Hill, NC 27599-3250, USA