1. Department of Civil and Environmental EngineeringColorado State UniversityFort Collins Colorado USA
2. Center for Agricultural Resources Research, Agricultural Research Service, USDAFort Collins Colorado USA
3. Northwest Watershed Research Center, Agricultural Research Service, USDABoise Idaho USA
4. Cooperative Institute for Research in the AtmosphereColorado State UniversityFort Collins Colorado USA
5. U.S. Army Research Development, and Engineering Command, Army Research LaboratoryAdelphi Maryland USA