[1
]Department of Geology; Kent State University; Kent Ohio USA
[2
]Department of Civil and Environmental Engineering; Colorado State University; Fort
Collins Colorado USA
[3
]US Geological Survey Eastern Geographic Science Center; Reston Virginia USA
[4
]US Geological Survey MD-DC-DE Water Science Center; Baltimore Maryland USA
[5
]Department of Civil and Agricultural Engineering; National University of Colombia;
Bogota Colombia
[6
]Department of Agricultural and Biological Engineering; Purdue University; West Lafayette
Indiana USA